Blog: Astronomy & Living by Hernando
Scopes: Celestron 9.25, Orion 80MM and 120MM EON Apo Solar: Lunt LS60THa/PT/B1200/50DS Binos: Canon 15X50 IS Mounts: CGEM and LXD75 Eyepieces: Explore Scientific, Meade & TeleVue Camera: DMK 41, Canon 6D, SBIG STT-8300 Messier Certificate # 2508 My Images: http://www.astrophotogallery.org/u342-hfjacinto.html
10" F/4.7 Modified Skywatcher Reflector, 38mm Orion Q70, 17mm Modified Ultima LX, 10mm TeleVue Delos, 7mm Pentax XL.
Quote:Great review Hernando
Quote: Thank You , Leonard
Quote:Always a pleasure to read your reviews Hernando !
Quote:I'm a wide field / long eye relief person myself, but after reading your review, I wouldn't mind trying out an Ortho sometime! I have been dead-set against them, but if the views deliver, I guess that is all that matters.
Vixen 140mm Neo-achro, 2" AP Maxbright diagonal, 40mm Orion Optilux, 35mm, 30mm, 18mm, and 15mm Ultrascopic/Ultima, 28mm & 20mm ES 68, 19mm TV Panoptic, 5.5mm Meade UWA, 2.4x 2" Dakin barlow (prototype barrel),1.6x Antares barlow.
Stellarvue SV70ED, UA DwarfStar, Oberwerk / AstroTech AT80EDT, AT Voyager / Celestron C6XLT, AT Voyager / Meade 8" LightBridge / Vixen VMC 110L (Baader Solar Film), Porta II / Celestron Nexstar 102GT, ES Twilight I / Oberwerk 20x80 DIII, Orion 10x50 Resolux
Quote:Great review Hernando. How far does the barlow extend into the eyepiece? Will it thread on other 1.25" eyepieces as well? Or does it have special threads?
Quote:Very interesting to read your views on these Hernando.
I was loaned a set a couple of months back and I'd agree with your assessment of them. I do find the 6mm BGO controls light scatter a little better than the BCO 6mm and the BCO 18mm seems to have slightly better light transmission than the BGO equivalent. The 32mm Classic Plossl is a decent 32mm plossl but not a great one, in my opinion. The Q-Turret barlow is really good although the optical element can't be used in eyepieces with a lower lens set in their barrels - you need around 13mm clear inside the eyepiece barrel to fit the Q-Turret optical element.
Thanks for posting the link
Quote:Hernando, Thanks for your time and effort with this review. The photos were informative. I was curious about how they would look "dewinged".
Quote:nice review. i look forward to hearing a long tern review, like month or two post purchase. Enough time to get an above average seeing night that might show one line definitively better.
i read your blog regularly also btw
Quote:Very nice review, Hernando!I haven't tried the BCO's but do have a Q-Turret + Q-Barlow that I use with my Brandon set and the combination is fantastic and is even light-weight enough to use on my vintage refractors. I really like that the turrent is a straight thru design rather than a mirror or prism design, and the integral barlow is awesome. With a set of 1.25" parfocal eyepieces, the combination cannot be beat for convenience.
Quote:Hernando,Thanks for the photos and explanation on the barlow. Dave
Quote:Great review Hernando!
Quote:I'm very happy with mine 6mm & 10mm. The turret is great in my Dob, my tube had been cut down already so I have no problems coming to focus.
The 10mm is my fav. Eye relief is pretty comfortable & must be close to 8mm or so, the 6 is pretty tight, prob 3mm or so, virtually on the eye lens
I like the winged eyecups but on the turret they can be in the way a little
I had a baader 2.25x Barlow (the one paired with the zoom-optics should be the same) but sold it as I just wasn't using it enough
I have 4 BGOs so I consider just getting the turret (and the barlow perhaps, although I don't need another barlow but I want it, to be used with my WO66 and, as you say, I need it to focus there). Is it possible to use my ES68 24 as a finder instead of the Plossl 32 (I only have a Plossl 25 and I'd prefer the ES68).
Also, I wonder if I should get the Q Barlow or the Zoom Barlow (double the price here). What are the differences? The zoom Barlow delivers 1.3 when threaded on the turret too?
My eyepieces are made from the waste product of exploding stars. 10XTi 102XLT ST80A(2" Focuser) XW: All; XO: 2.58 Televue: Naglers-T1 Smoothside-full set, 17T4,12T4,Ethos 17,4.7; plossels-40,32,20,17,&7.4mm; Pans-22,24mm; Delos-6,8,12,17.3mm ES100: 5.5,9*,14,20 ES82: full set ES68: 16,20,24,34 NLV: 5,9,10,15 Ortho: HD-7,9; OPS-9,12 Meade RG 7mm Other: Pentax 12.5K(.965), 10mm Parks Zoom: Nag3-6 *=on b/o DAS Dark Site
The opinions expressed herein are solely mine as an amateur astronomer hobbyist & consumer. Information herein was correlated from experience, discussions with others, & research from multiple sources freely available at time of posting. All reasonable care & skill was used, but no warranty is made as to accuracy, & liability cannot be accepted for errors/omissions. This is for information only and not intended nor implied to be a substitute for professional advice.
Quote:HUGE eye relief difference too....
Quote:No doubt. On with the spot the difference - $74 vs. $370 and on-axis, the BCO bests the Delos on faint objects detection (Alvin's big scopes).
C10NGT, Z8, 150 Rumak, XLT 150, C6, C5, SW5 Newt, 4.5 Ball, C102GT, C90, ST80, A70LF; 15x70, 25x100; Burgess BV; Paracorr II; T6 2.5, XO 2.58/5.1, Ethos-SX 3.7, Delos 4.5, TV Plossl 7.4-26, BCO 10, Hutech HC 12.5, Sterling 12.5-25, ES100 14, CZJ H 16/25, CZJ O 16, M5k UWA 24, T5 31, Ultrascopic 35, Titan-II 40; Bino Pairs M5k UWA 6.7, Baader Zoom 8-24, M5k SWA 24, TV Plossl 26, RKE 28.7; Zooms NZ 2-4, NZ 3-6, Leica ASPH 8.9-17.8, Baader 8-24; Baader Zoom Barlow, VIP Barlow
Quote:The focal length seems to be the only thing they have in common !
I'm wondering about moving from a 6mm Ethos to a 6mm Delos so I'm very interested in any reports on how the Delos performs.
I have the Baader Classic's too as it happens - great value eyepieces in my opinion
Quote:I found that the Delos is between the ZAO-II and Ethos in light transmission and contrast. The Delos showed just a little more of IC 1296 and component E (mag 17.7) was a little easier to hold using averted vision than the Ethos...and just a little harder than with the Zeiss.
Note: I've already determined that the Ethos slightly outperforms the XW, which is the 2nd best wide field I've ever looked through in terms of observing dim objects, extended or not..
Quote:Love these quick reports Especially like having them focus on the faint object observing....something we are in sore need of with eyepiece comparisons
Quote:Hernando,Quote:No doubt. On with the spot the difference - $74 vs. $370 and on-axis, the BCO bests the Delos on faint objects detection (Alvin's big scopes).These are the crucial factors for me: (1) the BCO is much less expensive than the Delos(2) the BCO shows fainter objects than the Delos. IME, a Sterling Plossl bests an XW for discerning faint objects. A BCO bests a Delos. I wonder how a BCO will fare against a Sterling Plossl? Yeah. You get what you pay for. ... stupidest saying ever.Mike