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Thread: "Give in to your G.A.S."...

  1. #1
    Benjamin's Avatar
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    Default "Give in to your G.A.S."...



    A not so long time ago, looking at galaxies far far away...

    Stare Wars
    Eye Relief Awakens

    Explore Scientific eyepieces have vanished. In their absence the evil TELE VUE has risen from the ashes of G.A.S. and will not rest until Explore Scientific eyepieces, the last reasonably priced eyepieces, have been replaced.

    Sorry, slight spoiler there and a terrible adaption, but I've been noticing others ES collections building (as mine once did) and thought I'd share my journey to the dark (green) side. Don't read this as somehow a criticism, natural progression or even desirable. I'm just feeling reflective, can't get outside given the poor weather, it's Christmas and I'm bored!

    Firstly, many moons ago, these eyepieces came with my 2/H 8" f6 Dob:
    Skywatcher Plossls: 10, 25
    Baader Hyperion: 5

    Apart from the Baader (a bit of a weird inclusion with my scope, but was great on Saturn) most start out with this useful Plossl pair. I added to this quite quickly...

    Skywatcher Plossls: 10, (25 no longer used)
    Baader Hyperion: 5
    ES 68°: 24
    ES 1.25" focal extender

    My collective eyepiece value here is under the value of the scope. Sensible!

    ES 82° eyepieces were $99 and the Australian dollar was buying 1.1 US dollars. A little bit of G.A.S. (Gear Aquisition Syndrome!) and some rough plans around focal length resulted in the new line up.

    Baader Hyperion: 5
    ES 82°: 14, 8.8
    ES 68°: 24
    ES 1.25" focal extender

    My eyepiece value here is equal to the scope's value.

    I got into the second hand market in Australia (Iceinspace Classifieds) and went all out.

    Baader Hyperion: 5 (still enjoyed this EP)
    ES 82°: 14, 8.8, 11, 6.7 (2/H), 18 (2/H), 4.7 (2/H), 30 (in that order)
    ES 68°: 24
    ES 1.25" focal extender

    The collective eyepiece value is now at least 3 times the scope value!

    I weeded out a few eyepieces and sold off the Baader and focal extender. I also learnt that I could sell things on iceinspace and that selling, sadly, didn't have the effect of decreasing cloud cover.

    ES 82°: 4.7, 6.7, 8.8, 11, 14, 18, 30
    ES 68°: 24

    I thought I was done, then the lure of greater AFoV got too much and I noticed I rarely used the 8.8 and 14, so sold them to help fund my first two 100° EPs.

    ES 82°: 4.7, 6.7, 11, 18, 30
    ES 68°: 24
    ES 100°: 9, 20

    Next I went from my 8" Dob to a 12" Dob :-) With the bigger Dob the eyepieces were worth about the same as the scope again! Sensible... maybe :-/

    I decided it'd be nice to have a 2" 100° set and a 1.25" set, and wanted to try the much talked about Baader Zoom mark III. Agena had a good sale on and the Australian dollar was still high, so....

    TV Delos: 17.3 (on sale!)
    ES 82°: 6.7, 11, 30
    ES 68°: 24
    ES 100°: 5.5 (on sale!), 9, 14 (2/H), 20
    Paracorr Type 1 (2/H)
    Baader Zoom (2/H)
    GSO ED 2" 2x Barlow

    I sold the Zoom (not for me), realized I didn't really actually want to use 2 sets of eyepieces based on barrel size, and, with resulting sell offs, could afford a few luxuries based on how much I loved the 17.3 Delos.

    TV Delos: 10 (2/H), 17.3
    TV Ethos: 13 (2/H)
    Pentax XW: 7 (2/H)
    ES 100°: 5, 9, 20
    ES 82°: 30
    Paracorr type 1
    GSO ED 2" 2x Barlow

    The 100° views started to pale into
    insignificance when compared to the immersive big lenses and wonderfully deep, crystal clear views I was getting through the Pentax XW and Delos line. A journey to a dark site made me realize that eyepieces weren't the most significant factor in seeing the faint things I was chasing. G.A.S. was too strong though...

    TV Delos: 6 (2/H), 8 (2/H), 10, 17.3
    TV Ethos: 13
    TV Panoptic: 24
    Pentax XW: 5 (2/H), 7
    ES 100°: 20
    ES 82°: 30
    Paracorr type 1
    GSO ED 2" 2x Barlow

    Once again the eyepieces are worth 3 to 4 times the cost of the scope!!!!

    Have had this last setup for a while now and although G.A.S. threatens (yes a 21mm Ethos and a 31mm T5 Nagler would be awesome) it really suits my observing needs (the ES 100° 20mm, and ES 82° 30mm are great with the Paracorr). The variety at the pointy end allows me to adapt to conditions and I can Barlow this lot to go even higher. May well replace the Ethos with a Delos 12mm and/or Delos 14mm as it seems at the scope it's the Delos's I instinctively grab. However given the previous pattern of eyepiece value and scope value the next upgrade should be the scope :-D Anyone want to ship me a 2/H 18" Ultralight Obsession??!

    The biggest lesson of all this was to get to a dark site whenever possible. Often the thought process in the step up to high quality gear was some attempt to see more in adverse conditions (my light polluted backyard). While it's cheaper and simpler to jump in the car and get to a dark site (rather than paying heaps for some magic eyepiece) it's the time that I lack so more often than not I'm stuck battling Brisbane's lights. That I have some eyepieces I love using and that do seem to show me more does, however, make it that much more rewarding. Still, I'd always take a set of Plossls and a dark sky over my setup and light pollution!

    Clear skies and happy Xmas to all.
    JML and bladekeeper like this.
    Scopes:Skywatcher f5 12" Dob, f4 8” Quattro, ED80, ED100, Saxon f5 8" Newt
    Mounts:Skywatcher EQ6-R, HEQ5 Pro (EQMod), AZ4
    Cameras:ZWO ASI1600MM-Pro, ProStar guidecam, ZWO 8 Position EFW (Astrodon filters)
    Apps:Nebulosity, PHD2, Sequence Generator Pro, Voyager (Starkeeper), PixInsight
    Eyepieces:Explore Scientific, Pentax XW, TeleVue Panoptic, Delos, Nagler Zoom, Ethos, LVW, BCO

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  2. #2
    bladekeeper's Avatar
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    Default Re: "Give in to your G.A.S."...

    Ha! That was a fun and enjoyable EP road you've traveled Ben! Quite a bit of horse trading you done.

    You've got a fine assemblage of excellent eyepieces now. Very cool. Thanks for taking us along for the ride and for sharing the "methodology".
    Bryan

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    f/5; Celestron C6-R f/8; ES AR127 f/6.4; ES AR127 f/9.4; Stellarvue SV102T f/7; ES AR102 f/9.8;
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    ST80A f/5; Celestron Premium 80 f/11.4; Celestron C80 f/11.4; Unitron Model 142 f/16; Meade NG60 f/10
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    Eyepieces: GSO Super Plössl 40mm, 32mm, 15mm, 9mm; ES 82° Series; GSO Superview 30mm; Celestron Plössl 26mm, 20mm; ES 70° 25mm; ES Plössl 25mm; Vite Aspheric 23mm, 10mm, 4mm; Orion Expanse 20mm, 9mm; KK Ortho 18mm, 12.5mm; Bresser 70° 15mm; Coulter Optical 12.5mm; BCO 10mm; ES 62° 9mm; Zhumell Z Series 5mm
    Binoculars: Pentax PCF WP II 10×50, Bresser Corvette 10×50, Bresser Hunter 16×50 and 8×40, Garrett
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    12×60 LW, Gordon 10×50, Apogee 20×100

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    Galaxy Hunter's Creed - When you play whack-a-mole, sometimes you hit 'em on the head, sometimes you miss 'em. But its always fun to play, and if you don't play, you ain't gettin no moles! - KT4HX

  3. #3
    Lowjiber's Avatar
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    Default Re: "Give in to your G.A.S."...

    Yup, you definitely have G.A.S. Nice collection of glass you've built there.

    Clear, Dark Skies
    Benjamin likes this.
    John (Urban Astronomer)
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    Dob; XLT 150 Dob; XLT 120EQ; Lunt Solar 60 PT/B1200; ES AR102; SW Pro 100ED; 2 SW Pro 80ED's; 90mm Eq; WO Z-61; SW 90mm Virtuso Mak; 2
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    ST-80's; Quark-C; Cams: ASI120MM-S, ASI174MM & ASI174MM-cooled


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  4. #4
    Benjamin's Avatar
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    Default Re: "Give in to your G.A.S."...

    Ha, gas in so many ways! Xmas hot air.... Hope you have a great Xmas Bryan and John. Always enjoy reading your posts.
    Lowjiber and bladekeeper like this.
    Scopes:Skywatcher f5 12" Dob, f4 8” Quattro, ED80, ED100, Saxon f5 8" Newt
    Mounts:Skywatcher EQ6-R, HEQ5 Pro (EQMod), AZ4
    Cameras:ZWO ASI1600MM-Pro, ProStar guidecam, ZWO 8 Position EFW (Astrodon filters)
    Apps:Nebulosity, PHD2, Sequence Generator Pro, Voyager (Starkeeper), PixInsight
    Eyepieces:Explore Scientific, Pentax XW, TeleVue Panoptic, Delos, Nagler Zoom, Ethos, LVW, BCO

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    Default Re: "Give in to your G.A.S."...

    Well done. That was a fun read.
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    Celestron AVX EdgeHD 8" SCT, Featertouch FTM-CPC8 Focuser, ADM Dual-VX Saddle with ADM Vixen dovetail bar, EdgeHD .7
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    , Celestron StarSense Autoalign, WO DDG SCT Rotolock Focuser, Telrad Finder, ES 82deg 30mm-18mm-11mm-6.7mm eyepieces, Baader Hyperion Zoom Lens, Hyperion 2.25x
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