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.
SyedTeeter STS 11 f/4.3 Zambuto | XT8i | XT8g | XLT 150 | C90 | EON 80mmAT Voyager and Nexstar SLT mountsEyepieces: Mostly TeleVue and PentaxDenk II BV'er, Earthwin PFS-SE, Pentax 10x50 PCF WP II
10" F/4.7 Modified Skywatcher Reflector, 38mm Orion Q70, 17mm Modified Ultima LX, 10mm TeleVue Delos, 7mm Pentax XL.
Quote:Ah, the 28mm Edmund. That is interesting. I did not know about this eyepiece if it is not the RKE.
Quote:Quote:Ah, the 28mm Edmund. That is interesting. I did not know about this eyepiece if it is not the RKE.
Its a war surplus eyepiece that I believe Edmund sold as far back as 1958. Taken apart it is an Asymmetric Plossl (true Plossl?).
• Celestron Ultima 8, f/10 • Zhumell Z12, f/4.9 • Intes MK-67, f/12 • Celestron C5 Orange Tube, f/10 • WO 80mm Fluorite APO, f/6.9 • Carton 60mm ATM, f/16.7 • a few Plössls, a few Orthos, a few Königs, an Erfle or two, a few SWA, a few UWA, a couple SUWA... • CG-5 ASGT, CG-5, & AT Voyager "It's amazing what you can see if you look... " Yogi Berra
17.5" f4.1 Manual Discovery Split Tube Dobsonian (Love 100 AFOV and wide TFOVs).
Denk II Dual Power Switch 3x3=9 powers x3 OCS = 27 power options per eyepiece pair.
2.3x40 to 25x100 Binos (and many in between).