Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
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Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
If you can have only one option for viewing with both eyes, which would it be and why?
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
I would take the 150mm f/ 5 as it would be much more versatile than the binoculars for viewing different objects.
Gabrielle
See Far Sticks: Elita 103/1575, AOM FLT 105/1000, Bresser 127/1200 BV, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS 100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, SXP2, AXJ, AXD
Az/Alt: AYO Digi II, Stellarvue M2C, Argo Navis encoders on both
Tripods: Berlebach Planet (2), Uni 28 Astro, Report 372, TAL factory maple, Vixen ASG-CB90, Vixen AXD-TR102
Diagonals: Astro-Physics, Baader Amici, Baader Herschel, iStar Blue, Stellarvue DX, Tak prism, TAL, Vixen
Eyepieces: Antares to Zeiss (1011110)
The only culture I have is from yogurt
See Far Sticks: Elita 103/1575, AOM FLT 105/1000, Bresser 127/1200 BV, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS 100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, SXP2, AXJ, AXD
Az/Alt: AYO Digi II, Stellarvue M2C, Argo Navis encoders on both
Tripods: Berlebach Planet (2), Uni 28 Astro, Report 372, TAL factory maple, Vixen ASG-CB90, Vixen AXD-TR102
Diagonals: Astro-Physics, Baader Amici, Baader Herschel, iStar Blue, Stellarvue DX, Tak prism, TAL, Vixen
Eyepieces: Antares to Zeiss (1011110)
The only culture I have is from yogurt
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Definitely 150ST. It will reach deeper and is more versatile. But obviously more expensive, since you need to get all EPs in pairs.
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Just buy 150ST already, you know you want it!
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Would the 20x80 binoculars have a brighter view? The 20x80 binoculars would also have a wider view. The widest I could get with the
binoviewers and the 6"f/ 5 achromatic is a little over 2 degrees field of view. Am I correct?
binoviewers and the 6"
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Both are good instruments. As far as light-gathering go 20x80 binos are an equivalent of 110mm refractor. With 150mm scope you will be able to see fainter things, smaller things and see more details within the targets compared to 20x80 binos.Refractordude wrote: ↑Thu Sep 26, 2019 8:59 pm Would the 20x80 binoculars have a brighter view? The 20x80 binoculars would also have a wider view. The widest I could get with the
binoviewers and the 6" f/5 achromatic is a little over 2 degrees field of view. Am I correct?
Yes, max field of view of 150ST with 1.25" EPs is about 2deg, and 20x80 binos have 3 - 3.5 deg AFV. But then 8x40 binos have 8 deg AFV.
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Bigzmey:
Can the binoviewers with the 6"achro put up a brighter image than the 20x80 binoculars. I don"t think so. What say you?
Can the binoviewers with the 6"
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Most binoviewers like the Celestron or Williams Optical have only around a 23mm clear aperture so only a 1.75° FOV
The telescope without a binoviewer can achieve a 3.67°FOV
My 150mmf/ 8 with binoviewers with 25mm aperture can get a 1.2° FOV or 2.3° FOV without.
The telescope without a binoviewer can achieve a 3.67°
My 150mm
Gabrielle
See Far Sticks: Elita 103/1575, AOM FLT 105/1000, Bresser 127/1200 BV, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS 100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, SXP2, AXJ, AXD
Az/Alt: AYO Digi II, Stellarvue M2C, Argo Navis encoders on both
Tripods: Berlebach Planet (2), Uni 28 Astro, Report 372, TAL factory maple, Vixen ASG-CB90, Vixen AXD-TR102
Diagonals: Astro-Physics, Baader Amici, Baader Herschel, iStar Blue, Stellarvue DX, Tak prism, TAL, Vixen
Eyepieces: Antares to Zeiss (1011110)
The only culture I have is from yogurt
See Far Sticks: Elita 103/1575, AOM FLT 105/1000, Bresser 127/1200 BV, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS 100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, SXP2, AXJ, AXD
Az/Alt: AYO Digi II, Stellarvue M2C, Argo Navis encoders on both
Tripods: Berlebach Planet (2), Uni 28 Astro, Report 372, TAL factory maple, Vixen ASG-CB90, Vixen AXD-TR102
Diagonals: Astro-Physics, Baader Amici, Baader Herschel, iStar Blue, Stellarvue DX, Tak prism, TAL, Vixen
Eyepieces: Antares to Zeiss (1011110)
The only culture I have is from yogurt
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Get the 6" scope because it is more versatile, you won't have to wreck your neck looking up, and also you need a mount for the 20x80 (and you will still be wrecking yor neck even while the target sits still). I would use binoviewers on a larger scope, 10" or more, otherwise they are more expensive than the scope with all the eyepieces. Consider a 2" single eyepiece vs. binoviewers, there is something to be said for a wide field of view.
... Henk. Telescopes: GSO 12" Astrograph, "Comet Hunter" MN152, ES ED127CF, ES ED80, WO Redcat51, Z12, AT6RC, Celestron Skymaster 20x80, Mounts and tripod: Losmandy G11S with OnStep, AVX, Tiltall, Cameras: ASI2600MC, ASI2600MM, ASI120 mini, Fuji X-a1, Canon XSi, T6, ELPH 100HS, DIY: OnStep controller, Pi4b/power rig, Afocal adapter, Foldable Dob base, Az/Alt Dob setting circles, Accessories: ZWO 36 mm filter wheel, TV Paracorr 2, Baader MPCC Mk III, ES FF, SSAG, QHY OAG-M, EAF electronic focuser, Plossls, Barlows, Telrad, Laser collimators (Seben LK1, Z12, Howie Glatter), Cheshire, 2 Orion RACIs 8x50, Software: KStars-Ekos, DSS, PHD2, Nebulosity, Photo Gallery, Gimp, CHDK, Computers:Pi4b, 2x running KStars/Ekos, Toshiba Satellite 17", Website:Henk's astro images
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Not sure what you mean by brighter image? During the daytime? At night you don't want brightRefractordude wrote: ↑Fri Sep 27, 2019 3:29 am Bigzmey:
Can the binoviewers with the 6" achro put up a brighter image than the 20x80 binoculars. I don"t think so. What say you?
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Actually, if we are talking about dedicated binoviewing setup I would skip 6" achro and 20x80 and go for the binocular scope. 100mm is the one I am getting one day, but 80mm is not too shabby either.
https://oberwerk.com/product-category/b ... elescopes/
The price tag may look high. But consider that for 150ST you will need to get binoviewer and new focuser and prism diagonal, the price difference will be not as high, and you are getting ED optics with binocular scopes.
https://oberwerk.com/product-category/b ... elescopes/
The price tag may look high. But consider that for 150ST you will need to get binoviewer and new focuser and prism diagonal, the price difference will be not as high, and you are getting ED optics with binocular scopes.
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
The 20x80 binoculars would give me better views than the binoviewers attached to theLady Fraktor wrote: ↑Fri Sep 27, 2019 4:38 am Most binoviewers like the Celestron or Williams Optical have only around a 23mm clear aperture so only a 1.75° FOV
The telescope without a binoviewer can achieve a 3.67° FOV
My 150mm f/8 with binoviewers with 25mm aperture can get a 1.2° FOV or 2.3° FOV without.
Thanks Lady Fraktor and you all
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
If "widerRefractordude wrote: ↑Fri Sep 27, 2019 9:41 pmThe 20x80 binoculars would give me better views than the binoviewers attached to theLady Fraktor wrote: ↑Fri Sep 27, 2019 4:38 am Most binoviewers like the Celestron or Williams Optical have only around a 23mm clear aperture so only a 1.75° FOV
The telescope without a binoviewer can achieve a 3.67° FOV
My 150mm f/8 with binoviewers with 25mm aperture can get a 1.2° FOV or 2.3° FOV without.achro , based on this information alone. This is the type of information I was hoping would come out. Did not know/understood that binoviewers have their ownaperture . Of course the 6"achro would best the 20x80 binoculars and the binoviewers withachro . However, it was binoviewers vs 20x80 binoculars info that I was after.
Thanks Lady Fraktor and you all
Is your question really about comparing 20x80's with a 150f5 with binoviewer at 20x? (ie: using ~40mm eyepieces, and with 8mm exit pupil) In this case the binoculars would more likely win out by giving a wider
I would say these instruments are complementary, not "either/or". If you are after nice wide fields at low-ish power and ease of carrying around though, why not go for hand-holdable binos like 10x50's to complement a 150f5 with binoviewer?
All the best,
Dean
Telescopes: 12" f5 dob, Celestron CPC800, 150mmf5 Celestron achro, Tak TSA102, TV76, ETX125...
Binos: Steiner Wildlife XP 10x26, Swarovski 8x30 Habicht, Zeiss SFL 8x40, Vanguard Endeavour 10.5x45, Fuji FMTR-SX 10x50, Tak 22x60, Orion Resolux 15x70
Eyepieces: way too many (is that possible?), but I do like my TV 32mm plossl, 13mm Nagler T6, 27mm Panoptic and 3-6mm Nagler zoom, plus Fujiyama 18mm and 25mm orthos and Tak 7.5mm LE
Binos: Steiner Wildlife XP 10x26, Swarovski 8x30 Habicht, Zeiss SFL 8x40, Vanguard Endeavour 10.5x45, Fuji FMTR-SX 10x50, Tak 22x60, Orion Resolux 15x70
Eyepieces: way too many (is that possible?), but I do like my TV 32mm plossl, 13mm Nagler T6, 27mm Panoptic and 3-6mm Nagler zoom, plus Fujiyama 18mm and 25mm orthos and Tak 7.5mm LE
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
DeanD:
That really is a great post/reply to my question. I had/tried the 25x100, but returned them because the eye relief was to short. I then ordered the 20x80, and was really impressed with the wider field of view. My 20x80 Zhumells are sharp at around 90 percent, maybe more. I will look for that next time out. I use a parallelogram mount for them. Thus, the viewing positions are very comfortable. I think 15, 16, or 20x80 edapo binoculars complimented with a 6" achro short tube is the way to go. My 20x80 binoculars show DSO just as bright as my 120mm f/ 8 telescope, which I use to increase mag. A 6" short tube will do even better. I really don't desire the 25x100 binoculars anymore.
My questions was to find out are 20x80 binoculars worth keeping, if I add a binoviewer to a 6" achorf/ 5.
That really is a great post/reply to my question. I had/tried the 25x100, but returned them because the eye relief was to short. I then ordered the 20x80, and was really impressed with the wider field of view. My 20x80 Zhumells are sharp at around 90 percent, maybe more. I will look for that next time out. I use a parallelogram mount for them. Thus, the viewing positions are very comfortable. I think 15, 16, or 20x80 ed
My questions was to find out are 20x80 binoculars worth keeping, if I add a binoviewer to a 6" achor
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
The only other thing you will need to think about isRefractordude wrote: ↑Sat Sep 28, 2019 3:28 am DeanD:
That really is a great post/reply to my question. I had/tried the 25x100, but returned them because the eye relief was to short. I then ordered the 20x80, and was really impressed with the wider field of view. My 20x80 Zhumells are sharp at around 90 percent, maybe more. I will look for that next time out. I use a parallelogram mount for them. Thus, the viewing positions are very comfortable. I think 15, 16, or 20x80 ed apo binoculars complimented with a 6" achro short tube is the way to go. My 20x80 binoculars show DSO just as bright as my 120mm f/8 telescope, which I use to increase mag. A 6" short tube will do even better. I really don't desire the 25x100 binoculars anymore.
My questions was to find out are 20x80 binoculars worth keeping, if I add a binoviewer to a 6" achor f/5.
Good luck,
Dean
Telescopes: 12" f5 dob, Celestron CPC800, 150mmf5 Celestron achro, Tak TSA102, TV76, ETX125...
Binos: Steiner Wildlife XP 10x26, Swarovski 8x30 Habicht, Zeiss SFL 8x40, Vanguard Endeavour 10.5x45, Fuji FMTR-SX 10x50, Tak 22x60, Orion Resolux 15x70
Eyepieces: way too many (is that possible?), but I do like my TV 32mm plossl, 13mm Nagler T6, 27mm Panoptic and 3-6mm Nagler zoom, plus Fujiyama 18mm and 25mm orthos and Tak 7.5mm LE
Binos: Steiner Wildlife XP 10x26, Swarovski 8x30 Habicht, Zeiss SFL 8x40, Vanguard Endeavour 10.5x45, Fuji FMTR-SX 10x50, Tak 22x60, Orion Resolux 15x70
Eyepieces: way too many (is that possible?), but I do like my TV 32mm plossl, 13mm Nagler T6, 27mm Panoptic and 3-6mm Nagler zoom, plus Fujiyama 18mm and 25mm orthos and Tak 7.5mm LE
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
DeanD
That is great advice, thanks a lot. However, A 6" f5achro will be just for darksite DSO .
My favorite https://vanderbei.princeton.edu/images/NJP/m104.html
That is great advice, thanks a lot. However, A 6" f5
My favorite https://vanderbei.princeton.edu/images/NJP/m104.html
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Hello Refractordude,
first of all, keep your 20x80 if you are satisfied with them.
For a binoviewer on a refractor, it is better to take a slower refractor, anyway.
As the binoviewer adds a splitter, you will loose more light if compared with just the zenit mirrors or prisms. So finally, each of your eyes will receive not the nearly 50% of light, but less light due to the loss on the splitter optics.
I have seen telescopes with binoviewers in outreach, and they are better suited for observing Moon and planets than for the nebulae and galaxies, people say.
Hoping this helps,
JG
first of all, keep your 20x80 if you are satisfied with them.
For a binoviewer on a refractor, it is better to take a slower refractor, anyway.
As the binoviewer adds a splitter, you will loose more light if compared with just the zenit mirrors or prisms. So finally, each of your eyes will receive not the nearly 50% of light, but less light due to the loss on the splitter optics.
I have seen telescopes with binoviewers in outreach, and they are better suited for observing Moon and planets than for the nebulae and galaxies, people say.
Hoping this helps,
JG
6" F/5 Sky-Watcher achro, 2" BBHS Star Diagonal, 2" zenith prism, 1.25" Takahashi prism
Leica 82mm APO Televid
Eyepieces: Docter UWA; Leica B WW and WW Asph. Zoom; Leica HC Plan S and L, monocentric; Pentax SMC XW, O-, XO; Tak MC O, Carl Zeiss B WW, and Pl, E-Pl, S-Pl, W-Pl;
Swarovski SW; Baader Symmetric Diascope Edition; Nikon NAV SW, ; TMB supermonocentric; Rodenstock; Vixen HR; TV Delos
Filters: Astrodon, Astronomik, Baader, Balzers, Zeiss West and East, Lumicon
Binoculars (7x42 up to 15x85): Docter Nobilem, Leica Ultravid, Nikon Astroluxe, Swarovski EL Swarovision; BA8 (Kunming Optical)
Leica 82mm APO Televid
Eyepieces: Docter UWA; Leica B WW and WW Asph. Zoom; Leica HC Plan S and L, monocentric; Pentax SMC XW, O-, XO; Tak MC O, Carl Zeiss B WW, and Pl, E-Pl, S-Pl, W-Pl;
Swarovski SW; Baader Symmetric Diascope Edition; Nikon NAV SW, ; TMB supermonocentric; Rodenstock; Vixen HR; TV Delos
Filters: Astrodon, Astronomik, Baader, Balzers, Zeiss West and East, Lumicon
Binoculars (7x42 up to 15x85): Docter Nobilem, Leica Ultravid, Nikon Astroluxe, Swarovski EL Swarovision; BA8 (Kunming Optical)
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Re: Binoviewers With 6" f5 Achro Vs 20x80 Achro Binoculars
Never tried binoviewers myself, but on forums users indicate ~one magnitude loss on stars with binoviewers. One can still enjoy brighterj.gardavsky wrote: ↑Sun Sep 29, 2019 8:49 pm Hello Refractordude,
first of all, keep your 20x80 if you are satisfied with them.
For a binoviewer on a refractor, it is better to take a slower refractor, anyway.
As the binoviewer adds a splitter, you will loose more light if compared with just the zenit mirrors or prisms. So finally, each of your eyes will receive not the nearly 50% of light, but less light due to the loss on the splitter optics.
I have seen telescopes with binoviewers in outreach, and they are better suited for observing Moon and planets than for the nebulae and galaxies, people say.
Hoping this helps,
JG
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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