New higher power eyepiece for my scope. Suggestions?

Discuss telescope eyepieces.
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turboscrew
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New higher power eyepiece for my scope. Suggestions?

#1

Post by turboscrew »

I'm starting to get ready to the darker nights, and I think it's time for higher power eyepiece.
My scope is 12"/1200 mm F/4 and I'm looking for something around 250x - 300x.
I've been thinking about
- ES 4.7mm 82°
- De Lite 4 mm 62°
- Delos 4.5 mm 72°
Which one would you recommend? Or maybe something else?

I think I could also use a good 2x Barlow. Which one would you recommend?
Is Artesky Premium APO Barlow 2" good enough?
Or maybe rather TeleVue 2x 1.25" Barlow lens?
- Juha

Senior Embedded SW Designer
Telescope: OrionOptics XV12
Mount: CEM120, Tri-pier 360 and alternative dobson mount.
Eyepieces: 26 mm Omegon SWAN 70°, 15 mm TV Plössl, 6 mm Baader Classic Ortho, 5 mm TV DeLite
Explore Scientific HR 2" coma corrector
Meade x3 1.25" Barlow
Some filters (#80A, ND-96, ND-09, UHC)

LAT 61° 28' 10.9" N, Bortle 5

I don't suffer from insanity. I'm enjoying every minute of it.

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25585
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Re: New higher power eyepiece for my scope. Suggestions?

#2

Post by 25585 »

Baader Morpheus 4.5 & 6.5mm eyepieces.
Unashamed Linda Ronstadt ♡ fan! :dance: :Clap:

Eyepieces from: Aero, Antares, APM, Baader, Brandon, Bresser, Celestron, Datysun, Docter, Explore Scientific, GSO, I R Poyser, Meade, Nikon, Orion, Pentax, Rodenstock, Siberia, Sky-Watcher, Taiso, Takahashi, TAL, Tele Vue, TS, Vernonscope, Vixen, Zeiss.

Scopes from: Altair, Bresser, Lumicon, Orion Optics UK, Sky-Watcher, Takahashi, Tele Vue, TS, Vixen.
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Re: New higher power eyepiece for my scope. Suggestions?

#3

Post by SpyderwerX »

From my perspective: Considering the magnification factor, which I would normally employ with planetary or small/bright target viewing, the AFOV usually becomes less important. I myself would probably lean toward the Delite. Its smaller and lighter form lends well to higher mag work. And they are very comfortable to use. :)

I actually prefer the Powermates versus Barlows. The 1.25" 2.5X Televue Powermate outperforms a 2x Barlow almost always for me. (or even the 2" 2X Powermate) It will preserve the native eye relief of the EP, without introducing any potential aberrations of the light cone.
~Frankie~ My mind: Always on...Slightly off. :?
Celestron CPC1100 sct...Celestron AVX + C8-A sct...Orion Atlas EQ-G...SkyTee-2...Twilight-1...Nexstar SE mounts.
SkyWatcher ST150 achro....SkyWatcher ST102...Orion ST80
Baader BBHS prism and mirror diagonals
EPs: TeleVue (NJ) & modern Plossls, Widefields, Panoptics and Naglers + 3-6 zoom ...volcano top (T) Orthos & Kellners...TeleVue, Astronomik, Lumicon & Baader filters..
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Re: New higher power eyepiece for my scope. Suggestions?

#4

Post by notFritzArgelander »

SpyderwerX wrote: Fri Jul 16, 2021 1:00 pm From my perspective: Considering the magnification factor, which I would normally employ with planetary or small/bright target viewing, the AFOV usually becomes less important. I myself would probably lean toward the Delite. Its smaller and lighter form lends well to higher mag work. And they are very comfortable to use. :)

I actually prefer the Powermates versus Barlows. The 1.25" 2.5X Televue Powermate outperforms a 2x Barlow almost always for me. (or even the 2" 2X Powermate) It will preserve the native eye relief of the EP, without introducing any potential aberrations of the light cone.
I like these ideas. Also, you may wish to consider not bothering with the coma corrector at high power.
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion Sirius EQG
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Re: New higher power eyepiece for my scope. Suggestions?

#5

Post by turboscrew »

25585 wrote: Fri Jul 16, 2021 12:15 pm Baader Morpheus 4.5 & 6.5mm eyepieces.
I wonder how Morpheus handles F/4? At least I recall that Hyperions were recommended for F/6 or higher.
Later that mention of F-number seem to have disappeared.
- Juha

Senior Embedded SW Designer
Telescope: OrionOptics XV12
Mount: CEM120, Tri-pier 360 and alternative dobson mount.
Eyepieces: 26 mm Omegon SWAN 70°, 15 mm TV Plössl, 6 mm Baader Classic Ortho, 5 mm TV DeLite
Explore Scientific HR 2" coma corrector
Meade x3 1.25" Barlow
Some filters (#80A, ND-96, ND-09, UHC)

LAT 61° 28' 10.9" N, Bortle 5

I don't suffer from insanity. I'm enjoying every minute of it.

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Re: New higher power eyepiece for my scope. Suggestions?

#6

Post by John Fitzgerald »

I recommend the TV Delite series. The Delos has essentially the same, but slightly wider, view. The Delite is, IMO, easier to look through, and is lighter and slimmer. The Delos is about 100 dollars more, also. I vote for the 4 or 5mm Delite. I have the 5 myself, and it's great.
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Re: New higher power eyepiece for my scope. Suggestions?

#7

Post by Refractordude »

Forgot where I snipped this from.
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Telescopes: Celestron 150mm f/8 Refractor, Meade LX70 120mm f/8 Refractor, Vixen 70mm f/12.9 Refractor, Orion ST80, Tasco 49N 50mm Red Refractor
Binoculars: Orion GiantView ED 16x80, Zhumell Giant 20x80, Oberwerk LW 11x70, Levenhuk Sherman 7x50
Mounts: Orion SkyView Pro Equatorial, Orion Versago II Altazimuth, Farpoint Universal Parrallelogram Mount, Orion Paragon-Plus Parrallelogram Mount, Orion Tritech II Fluid Head Tripod
Finders: GSO 8x50 Raci, Svbony Red Dot
Diagonals: GSO Dielectric 2", GSO Dielectric 1.25"
Eyepieces: Starguider Dual ED 12mm/15mm/18mm, Long Perng LER 5mm/6mm/9mm, BST UWA 4mm/7mm, AgenaAstro 8mm-24mm Zoom, Meade 56mm Plossl, GSO Superview 30mm, Astromania-Olivon 22mm, Celestron Ultima Edge 30mm, GSO Plossls 32mm/25mm/20mm, GSO 20mm Superview, Svbony 20mm/15mm/9mm/6mm, Svbony Aspheric 23mm/10mm/4mm, Agena Super Wide Angle 15mm, GSO 2" 2x ED Barlow Lens, Few No Name Brand Ebay Plossls
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Re: New higher power eyepiece for my scope. Suggestions?

#8

Post by notFritzArgelander »

Refractordude wrote: Fri Jul 16, 2021 4:36 pm Forgot where I snipped this from.
Image
Hm...... I've never used Delites enough to have an opinion. But for planetary performance, not worrying about eye relief, from what's on the market now I'd go BCO. I tested the predecessors (the UO Orthos/ Baader Genuine Orthos) on planets at f4 and they outperformed the Delos. I had the AT 8" f4 at one time. At f5 in the Z12 both the BCOs and KK Fujiyamas do better contrast views than the Delos.
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion Sirius EQG
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Re: New higher power eyepiece for my scope. Suggestions?

#9

Post by Gfamily »

Refractordude wrote: Fri Jul 16, 2021 4:36 pm Forgot where I snipped this from.
Image
A search came up with this.
A review on the Agena Astro website. https://agenaastro.com/televue-1-25-del ... e-5mm.html
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SW 127 Mak
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Re: New higher power eyepiece for my scope. Suggestions?

#10

Post by Makuser »

Hi turboscrew. I am with SpyderwerX (Frankie) on the TV 2.5x Powermate. The Barlow section is 2 elements to achieve the negative focal length, and another doublet for collimation, which is like what the old film enlargers and wall projectors used. It produces an extremely clean magnified image at the eyepiece. I hope this helps turboscrew and the best of wishes on your future purchases.
Powermate2.JPG
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Sky-Watcher 90mm f/13.9 Maksutov-Cassegrain on motorized Multimount
Orion Astroview 120ST f/5 Refractor on EQ3 mount
Celestron Omni XLT150R f/5 Refractor on CG4 mount with dual axis drives.
Orion 180mm f/15 Maksutov-Cassegrain on CG5-GT Goto mount.
Orion XT12i 12" f/4.9 Dobsonian Intelliscope.
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Re: New higher power eyepiece for my scope. Suggestions?

#11

Post by Thomas_M44 »

turboscrew wrote: Fri Jul 16, 2021 9:12 am I'm starting to get ready to the darker nights, and I think it's time for higher power eyepiece.
My scope is 12"/1200 mm F/4 and I'm looking for something around 250x - 300x.
I've been thinking about
- ES 4.7mm 82°
- De Lite 4 mm 62°
- Delos 4.5 mm 72°
Which one would you recommend? Or maybe something else?

I think I could also use a good 2x Barlow. Which one would you recommend?
Is Artesky Premium APO Barlow 2" good enough?
Or maybe rather TeleVue 2x 1.25" Barlow lens?
I’d strongly recommend simply getting the TeleVue 2.5X Powermate, which will very cleanly convert your existing longer FL eyepieces to shorter FL.

You’ll gain versatility and save considerable money in not having to buy so many additional eyepieces.

The Powermates will not cause any vignetting, even with super-wide AFOV eyepieces, and will not disturb the exit pupil behavior of your eyepieces as even very good conventional Barlows often can.
STARGAZING SINCE 1986

TELESCOPES: GSO 150mm f/6 Newtonian with 2” linear bearing focuser; TeleVue TV85 85mm f/7 apo refractor MOUNTINGS: Berlebach Uni Tripod with Stellarvue M2C alt/az mount head/pillar EYEPIECE SETS: Masuyama 85-Deg AFOV; TeleVue Plossl’s; KK Fujiyama Abbe Ortho's; Edmund RKE’s; Starbase Kellner's (by Takahashi) BARLOWS: Nikon EiC16 1.6X; TeleVue 2X & 3X; GSO ED 2” TELECENTRIC AMPLIFIERS: TeleVue Powermates 2.5X, 4X, 5X FILTERS, 2”: Baader Contrast Booster; Baader 570nm Orange Longpass; TeleVue Bandmate Type II Nebustar DIAGONALS: APM 2” Standard Prism (BK7); APM 2” Amici Prism (BK7) BINOCULARS: Fujinon 7X50 FMT-SX Polaris
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Re: New higher power eyepiece for my scope. Suggestions?

#12

Post by turboscrew »

notFritzArgelander wrote: Fri Jul 16, 2021 4:59 pm
Refractordude wrote: Fri Jul 16, 2021 4:36 pm Forgot where I snipped this from.
Image
Hm...... I've never used Delites enough to have an opinion. But for planetary performance, not worrying about eye relief, from what's on the market now I'd go BCO. I tested the predecessors (the UO Orthos/ Baader Genuine Orthos) on planets at f4 and they outperformed the Delos. I had the AT 8" f4 at one time. At f5 in the Z12 both the BCOs and KK Fujiyamas do better contrast views than the Delos.
My 6 mm is BCO, but I'd like to try a bit wider view - just for comfort.
- Juha

Senior Embedded SW Designer
Telescope: OrionOptics XV12
Mount: CEM120, Tri-pier 360 and alternative dobson mount.
Eyepieces: 26 mm Omegon SWAN 70°, 15 mm TV Plössl, 6 mm Baader Classic Ortho, 5 mm TV DeLite
Explore Scientific HR 2" coma corrector
Meade x3 1.25" Barlow
Some filters (#80A, ND-96, ND-09, UHC)

LAT 61° 28' 10.9" N, Bortle 5

I don't suffer from insanity. I'm enjoying every minute of it.

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Re: New higher power eyepiece for my scope. Suggestions?

#13

Post by turboscrew »

Thomas_M44 wrote: Fri Jul 16, 2021 6:41 pm
turboscrew wrote: Fri Jul 16, 2021 9:12 am I'm starting to get ready to the darker nights, and I think it's time for higher power eyepiece.
My scope is 12"/1200 mm F/4 and I'm looking for something around 250x - 300x.
I've been thinking about
- ES 4.7mm 82°
- De Lite 4 mm 62°
- Delos 4.5 mm 72°
Which one would you recommend? Or maybe something else?

I think I could also use a good 2x Barlow. Which one would you recommend?
Is Artesky Premium APO Barlow 2" good enough?
Or maybe rather TeleVue 2x 1.25" Barlow lens?
I’d strongly recommend simply getting the TeleVue 2.5X Powermate, which will very cleanly convert your existing longer FL eyepieces to shorter FL.

You’ll gain versatility and save considerable money in not having to buy so many additional eyepieces.

The Powermates will not cause any vignetting, even with super-wide AFOV eyepieces, and will not disturb the exit pupil behavior of your eyepieces as even very good conventional Barlows often can.
I guess I'll get a Powermate 1.25" when they'll available again.
- Juha

Senior Embedded SW Designer
Telescope: OrionOptics XV12
Mount: CEM120, Tri-pier 360 and alternative dobson mount.
Eyepieces: 26 mm Omegon SWAN 70°, 15 mm TV Plössl, 6 mm Baader Classic Ortho, 5 mm TV DeLite
Explore Scientific HR 2" coma corrector
Meade x3 1.25" Barlow
Some filters (#80A, ND-96, ND-09, UHC)

LAT 61° 28' 10.9" N, Bortle 5

I don't suffer from insanity. I'm enjoying every minute of it.

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Re: New higher power eyepiece for my scope. Suggestions?

#14

Post by Bigzmey »

I believe everyone should have a good quality barlow or focal extender (powemate) in their EP case. It is such a useful tool. Saying that one still need to have a good EP to barlow. Barlowing 15mm Plossl or 6mm BCO will get you nice high power views but the eye relief and FOV will still be tight.

I had quite a few barlows over the years. My favorites are Baader Q barlow and Televue 2x and 3x. At the end I sold TV barlows and have two Baader Q barlows now, not because I did not like the views, but because TV barlows were colliding with prisms in my diagonals due to the length.

For the EPs you will see 'for' and 'against' opinions for ES 82, Delos, Morpheus and Naglers, but Delites seems to be universally loved. In my personal experience I have tried and moved away from ES 82, Morpheus and Delos, but Delites are keepers. :D
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, Omni XLT 150R Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: Orion: Binoviewers, Little Giant II 15x70, WorldView 10x50, Nikon: Action EX 16x50 & 8x40.
EPs: Pentax: XWs, XL & 2xXFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: 2xSLVs; Baader: 2xBCOs, Aspherics, Mark IV, Meade: Plossls.
Diagonals: Baader: BBHS silver mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: Positive lock prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC, Orion: UltraBlock, SkyGlow.
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Re: New higher power eyepiece for my scope. Suggestions?

#15

Post by Don Pensack »

turboscrew wrote: Fri Jul 16, 2021 2:40 pm
25585 wrote: Fri Jul 16, 2021 12:15 pm Baader Morpheus 4.5 & 6.5mm eyepieces.
I wonder how Morpheus handles F/4? At least I recall that Hyperions were recommended for F/6 or higher.
Later that mention of F-number seem to have disappeared.
F/4 is right on the cutting edge for the Morpheus eyepieces.
They work great at f/5 and poorly at f/3.45, in my experience.
Ernest's measurements at f/4 show mediocre performance at f/4:
http://astro-talks.ru/forum/viewtopic.p ... 483#p41976
I think I'd recommend them at f/4.5 and longer for those seeking eyepieces sharp at the edge.
If you don't care about star quality in the outer 50%, then any f/ratio is fine.
Astonomer since 1963
Currently using a 12.5" dob and a 4" apo refractor
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Re: New higher power eyepiece for my scope. Suggestions?

#16

Post by Refractordude »

turboscrew wrote: Fri Jul 16, 2021 6:45 pm
Thomas_M44 wrote: Fri Jul 16, 2021 6:41 pm
turboscrew wrote: Fri Jul 16, 2021 9:12 am I'm starting to get ready to the darker nights, and I think it's time for higher power eyepiece.
My scope is 12"/1200 mm F/4 and I'm looking for something around 250x - 300x.
I've been thinking about
- ES 4.7mm 82°
- De Lite 4 mm 62°
- Delos 4.5 mm 72°
Which one would you recommend? Or maybe something else?

I think I could also use a good 2x Barlow. Which one would you recommend?
Is Artesky Premium APO Barlow 2" good enough?
Or maybe rather TeleVue 2x 1.25" Barlow lens?
I’d strongly recommend simply getting the TeleVue 2.5X Powermate, which will very cleanly convert your existing longer FL eyepieces to shorter FL.

You’ll gain versatility and save considerable money in not having to buy so many additional eyepieces.

The Powermates will not cause any vignetting, even with super-wide AFOV eyepieces, and will not disturb the exit pupil behavior of your eyepieces as even very good conventional Barlows often can.
I guess I'll get a Powermate 1.25" when they'll available again.
There are a few available at Firstlightoptics. I purchased a mount and eyepieces from them with quick delivery to the USA. Left click the image. https://www.firstlightoptics.com/barlow ... mates.html
Attachments
image 7.PNG
Telescopes: Celestron 150mm f/8 Refractor, Meade LX70 120mm f/8 Refractor, Vixen 70mm f/12.9 Refractor, Orion ST80, Tasco 49N 50mm Red Refractor
Binoculars: Orion GiantView ED 16x80, Zhumell Giant 20x80, Oberwerk LW 11x70, Levenhuk Sherman 7x50
Mounts: Orion SkyView Pro Equatorial, Orion Versago II Altazimuth, Farpoint Universal Parrallelogram Mount, Orion Paragon-Plus Parrallelogram Mount, Orion Tritech II Fluid Head Tripod
Finders: GSO 8x50 Raci, Svbony Red Dot
Diagonals: GSO Dielectric 2", GSO Dielectric 1.25"
Eyepieces: Starguider Dual ED 12mm/15mm/18mm, Long Perng LER 5mm/6mm/9mm, BST UWA 4mm/7mm, AgenaAstro 8mm-24mm Zoom, Meade 56mm Plossl, GSO Superview 30mm, Astromania-Olivon 22mm, Celestron Ultima Edge 30mm, GSO Plossls 32mm/25mm/20mm, GSO 20mm Superview, Svbony 20mm/15mm/9mm/6mm, Svbony Aspheric 23mm/10mm/4mm, Agena Super Wide Angle 15mm, GSO 2" 2x ED Barlow Lens, Few No Name Brand Ebay Plossls
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Re: New higher power eyepiece for my scope. Suggestions?

#17

Post by turboscrew »

Refractordude wrote: Fri Jul 16, 2021 11:42 pm
turboscrew wrote: Fri Jul 16, 2021 6:45 pm
Thomas_M44 wrote: Fri Jul 16, 2021 6:41 pm

I’d strongly recommend simply getting the TeleVue 2.5X Powermate, which will very cleanly convert your existing longer FL eyepieces to shorter FL.

You’ll gain versatility and save considerable money in not having to buy so many additional eyepieces.

The Powermates will not cause any vignetting, even with super-wide AFOV eyepieces, and will not disturb the exit pupil behavior of your eyepieces as even very good conventional Barlows often can.
I guess I'll get a Powermate 1.25" when they'll available again.
There are a few available at Firstlightoptics. I purchased a mount and eyepieces from them with quick delivery to the USA. Left click the image. https://www.firstlightoptics.com/barlow ... mates.html
Image
Yes, but after Brexit, the customs things is a mess. I ordered some radius blocks and such @ about £230. I got to pay 444 eur altogether before they were in my hands.
- Juha

Senior Embedded SW Designer
Telescope: OrionOptics XV12
Mount: CEM120, Tri-pier 360 and alternative dobson mount.
Eyepieces: 26 mm Omegon SWAN 70°, 15 mm TV Plössl, 6 mm Baader Classic Ortho, 5 mm TV DeLite
Explore Scientific HR 2" coma corrector
Meade x3 1.25" Barlow
Some filters (#80A, ND-96, ND-09, UHC)

LAT 61° 28' 10.9" N, Bortle 5

I don't suffer from insanity. I'm enjoying every minute of it.

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Re: New higher power eyepiece for my scope. Suggestions?

#18

Post by SpyderwerX »

Would Telescope Express be a more "currency friendly" option? I've also heard others speaking of the conversion troubles due the Brexit conspiracy.

https://www.teleskop-express.de/shop/pr ... uelse.html
~Frankie~ My mind: Always on...Slightly off. :?
Celestron CPC1100 sct...Celestron AVX + C8-A sct...Orion Atlas EQ-G...SkyTee-2...Twilight-1...Nexstar SE mounts.
SkyWatcher ST150 achro....SkyWatcher ST102...Orion ST80
Baader BBHS prism and mirror diagonals
EPs: TeleVue (NJ) & modern Plossls, Widefields, Panoptics and Naglers + 3-6 zoom ...volcano top (T) Orthos & Kellners...TeleVue, Astronomik, Lumicon & Baader filters..
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Re: New higher power eyepiece for my scope. Suggestions?

#19

Post by turboscrew »

SpyderwerX wrote: Sat Jul 17, 2021 12:24 am Would Telescope Express be a more "currency friendly" option? I've also heard others speaking of the conversion troubles due the Brexit conspiracy.

https://www.teleskop-express.de/shop/pr ... uelse.html
Yes. "Delivery acc. to manufacturer: 30.07.2021 (13 days)". Much better than "sometime in the future". :lol:

And it's not just the currency, but I had to pay the British VAT, customs and EU VAT.
- Juha

Senior Embedded SW Designer
Telescope: OrionOptics XV12
Mount: CEM120, Tri-pier 360 and alternative dobson mount.
Eyepieces: 26 mm Omegon SWAN 70°, 15 mm TV Plössl, 6 mm Baader Classic Ortho, 5 mm TV DeLite
Explore Scientific HR 2" coma corrector
Meade x3 1.25" Barlow
Some filters (#80A, ND-96, ND-09, UHC)

LAT 61° 28' 10.9" N, Bortle 5

I don't suffer from insanity. I'm enjoying every minute of it.

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turboscrew
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Re: New higher power eyepiece for my scope. Suggestions?

#20

Post by turboscrew »

I seem to have been "too clever". Now I have hard time to figure out which comes first: Powermate or 5 mm.
- Juha

Senior Embedded SW Designer
Telescope: OrionOptics XV12
Mount: CEM120, Tri-pier 360 and alternative dobson mount.
Eyepieces: 26 mm Omegon SWAN 70°, 15 mm TV Plössl, 6 mm Baader Classic Ortho, 5 mm TV DeLite
Explore Scientific HR 2" coma corrector
Meade x3 1.25" Barlow
Some filters (#80A, ND-96, ND-09, UHC)

LAT 61° 28' 10.9" N, Bortle 5

I don't suffer from insanity. I'm enjoying every minute of it.

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