ES 9mm 100 degree

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Mike Q United States of America
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ES 9mm 100 degree

#1

Post by Mike Q »


Well i have taken the plunge into 100 degree eyepieces. Saturday night i dropped my new ES 9mm 100 degree into the focuser of the 16 inch with a GSO coma correcter in place and head off to the Orion Nebula. In my scope this gives me 200x. The night was just a bit suboptimal for 200x but it didnt detract from the view. Some eyepieces are like looking out a window of a spaceship, this one is like being out in space. I can say for sure and for certain that when the skies allow that eyepiece will be in the focuser. For me it might just be the perfect eyepiece.
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Re: ES 9mm 100 degree

#2

Post by Lady Fraktor »


Hopefully you will get a lot of use from it.
See Far Sticks: Antares Elita 103/1575, AOM FLT 105/1000, Bresser BV 127/1200, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, AXJ, AXD
Az/Alt: AYO Digi II/ Argo Navis, Stellarvue M2C/ Argo Navis
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, Takahashi prism, TAL, Vixen flip mirror
Eyepieces: Antares to Zeiss
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Re: ES 9mm 100 degree

#3

Post by Bigzmey »


This is a good match for your DOB, providing ~2mm exit pupil. Enjoy!
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.

Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2382, Comets: 34, Asteroids: 255
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Re: ES 9mm 100 degree

#4

Post by Mike Q »


Bigzmey wrote: Mon Feb 05, 2024 10:35 pm This is a good match for your DOB, providing ~2mm exit pupil. Enjoy!
I dont know beans about exit pupils, what i do know is the images returned are just amazing.
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Re: ES 9mm 100 degree

#5

Post by AstroBee »


I'm only a very casual visual astronomy, about the only time I have an eyepiece on my scope is during our club's outreach star parties. My two favorite eyepieces with my Explore Scientific ED152 are the Explore Scientific 82° 30mm hand grenade (3.7mm exit pupil) and the 27mm TeleVue Panoptic (3.3mm exit pupil)
They are very close in magnification so I don't usually put the TeleVue in at outreach events. Everybody loves the moon through that 30mm though!
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Scopes: Celestron EdgeHD14", Explore Scientific ED152CF & ED127 APO's, StellarVue SV70T, Classic Orange-Tube C-8, Lunt 80mm Ha double-stack solar scope.
Mounts: Astro-Physics Mach One, iOptron CEM70EC Mount, iOptron ZEQ25 Mount.
Cameras: ZWO ASI2600mm Pro, ZWO 2600MC Pro, ZWO ASI1600mm
Filters: 36mm Chroma LRGB & 3nm Ha, OIII, SII, L-Pro, L-eXtreme
Eyepieces: 27mm TeleVue Panoptic, 4mm TeleVue Radian, Explore Scientific 82° 30mm, 6.7mm , Baader 13mm Hyperion, Explore Scientific 70° 10mm, 15mm, 20mm, Meade 8.8mm UWA
Software: N.I.N.A., SharpCapPro, PixInsight, PhotoShop CC, Phd2, Stellarium
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Re: ES 9mm 100 degree

#6

Post by Bigzmey »


AstroBee wrote: Mon Feb 05, 2024 10:56 pm I'm only a very casual visual astronomy, about the only time I have an eyepiece on my scope is during our club's outreach star parties. My two favorite eyepieces with my Explore Scientific ED152 are the Explore Scientific 82° 30mm hand grenade (3.7mm exit pupil) and the 27mm TeleVue Panoptic (3.3mm exit pupil)
They are very close in magnification so I don't usually put the TeleVue in at outreach events. Everybody loves the moon through that 30mm though!
I have made several attempts to adopt a glass grenade or glass pineapple, but just can't get past the size and weight. Panoptic 27mm on the other hand is indeed a very nice EP.
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.

Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2382, Comets: 34, Asteroids: 255
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Re: ES 9mm 100 degree

#7

Post by Mike Q »


Lady Fraktor wrote: Mon Feb 05, 2024 10:07 pm Hopefully you will get a lot of use from it.
I was able to get out with it once so far. What it does on the Orion Nebula is something special.
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Re: ES 9mm 100 degree

#8

Post by Mike Q »


Bigzmey wrote: Wed Feb 07, 2024 9:28 pm
AstroBee wrote: Mon Feb 05, 2024 10:56 pm I'm only a very casual visual astronomy, about the only time I have an eyepiece on my scope is during our club's outreach star parties. My two favorite eyepieces with my Explore Scientific ED152 are the Explore Scientific 82° 30mm hand grenade (3.7mm exit pupil) and the 27mm TeleVue Panoptic (3.3mm exit pupil)
They are very close in magnification so I don't usually put the TeleVue in at outreach events. Everybody loves the moon through that 30mm though!
I have made several attempts to adopt a glass grenade or glass pineapple, but just can't get past the size and weight. Panoptic 27mm on the other hand is indeed a very nice EP.
I personally prefer a heavier eyepiece. Just a feel good in the hand kind of thing
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Re: ES 9mm 100 degree

#9

Post by Bigzmey »


Mike Q wrote: Thu Feb 08, 2024 10:33 am
Bigzmey wrote: Wed Feb 07, 2024 9:28 pm
AstroBee wrote: Mon Feb 05, 2024 10:56 pm I'm only a very casual visual astronomy, about the only time I have an eyepiece on my scope is during our club's outreach star parties. My two favorite eyepieces with my Explore Scientific ED152 are the Explore Scientific 82° 30mm hand grenade (3.7mm exit pupil) and the 27mm TeleVue Panoptic (3.3mm exit pupil)
They are very close in magnification so I don't usually put the TeleVue in at outreach events. Everybody loves the moon through that 30mm though!
I have made several attempts to adopt a glass grenade or glass pineapple, but just can't get past the size and weight. Panoptic 27mm on the other hand is indeed a very nice EP.
I personally prefer a heavier eyepiece. Just a feel good in the hand kind of thing
And if occasion calls you can throw it at the neighbor's flood light. :D
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.

Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2382, Comets: 34, Asteroids: 255
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Re: ES 9mm 100 degree

#10

Post by Mike Q »


Bigzmey wrote: Thu Feb 08, 2024 6:04 pm
Mike Q wrote: Thu Feb 08, 2024 10:33 am
Bigzmey wrote: Wed Feb 07, 2024 9:28 pm

I have made several attempts to adopt a glass grenade or glass pineapple, but just can't get past the size and weight. Panoptic 27mm on the other hand is indeed a very nice EP.
I personally prefer a heavier eyepiece. Just a feel good in the hand kind of thing
And if occasion calls you can throw it at the neighbor's flood light. :D
I dont have that much arm. The closest neighbor is 250 yards away lol
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Re: ES 9mm 100 degree

#11

Post by Lady Fraktor »


I still prefer my 50° AFOV and smaller eyepieces.
I still have the 12 mm and 17 mm Nikon NAV HW 102° but rarely use them.
See Far Sticks: Antares Elita 103/1575, AOM FLT 105/1000, Bresser BV 127/1200, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, AXJ, AXD
Az/Alt: AYO Digi II/ Argo Navis, Stellarvue M2C/ Argo Navis
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, Takahashi prism, TAL, Vixen flip mirror
Eyepieces: Antares to Zeiss
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Re: ES 9mm 100 degree

#12

Post by Mike Q »


Lady Fraktor wrote: Fri Feb 09, 2024 5:32 am I still prefer my 50° AFOV and smaller eyepieces.
I still have the 12 mm and 17 mm Nikon NAV HW 102° but rarely use them.
I have switched over to pretty much all 80 to 82 degree eyepieces for the dobs. I still have all my Planetary Edge Ons from 3mm up to 12.5 that i have in a travel case for the frac. They still do pretty well for hundred dollar eyepieces.
I only have the 1 100 degree eyepiece at the moment and its really probably the only one i will buy. My skies limit me to 200x most of the time. If i were to get one more it would probably be the AT 7/100. I do have the rare occasions that i can get to 300x, but they are so few and far between i cant justify the expense of it at this time
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Re: ES 9mm 100 degree

#13

Post by Don Pensack »


I've gone through hundreds of eyepieces over the last 60 years (soon 61), and before I wore glasses at the eyepiece, I preferred 100°.
Since wearing glasses with focal lengths >8mm, I tend to prefer 78-85°, as they are wide enough not to feel cramped, while narrow enough there is no impediment to wearing glasses and seeing the entire field.
100° eyepieces compatible with glasses would be too large and heavy (and expensive), I think.
Below 8mm, I have 6 eyepieces in my kit, and 4 of them are 100° or wider. I still like that unbounded view.
And, the hyperwide fields give a lot more time to watch an object drift across the field, too.
Astronomer since 1963
Currently using a 12.5" dob and a 4" apo refractor
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Re: ES 9mm 100 degree

#14

Post by Mike Q »


It would be hard for me to justify going down to the AT 7mm/100 as my skies dont generally allow to get much past 200x most of the time.
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