WitrynaiStar Optical has been successfully manufacturing 127-250mm F5-F15 achromatic lenses for many years. These lenses are also purchased by various professional … WitrynaThis is the Istar Asteria TCR (Truss Constructed Refractor) 204-12 R35. The R35 is Istar's way of saying that the optics will reduce chromatic aberration simila. ... Home / …
SOLD > Istar Asteria TCR 150 f12 R35 > 6 Inch Refractor
WitrynaiStar Optical has been successfully manufacturing 127-250mm F5-F15 achromatic lenses for many years. These lenses are also purchased by various professional manufacturers of achromatic telescopes, as well as by amateurs who build refractors for themselves. ... R35-S, and R50-S (Anastigmatic, T-thick, S-slim) are also very well … WitrynaAn 8 inch F/15 R35 should be a killer visual instrument. ... tube weight is an issue and so there was a lot of excitement when we introduced the concept of the iStar TCR skeleton tube refractor. ... included the Phantom 152-8, Asteria 127-12 and Perseus 150-10 “Give me a refractor every time!” Sir Patrick Moore, talking to John. Brian May ... iach fort knox
iStar Asteria 204-8 R35 Anastigmat ( JasonC ) - AstroBin
WitrynaDescription. Getting ready for tonight. iStar 8", f/8 refractor, Losmandy G11 with Gemini 2, Canon 1000D and QHY5L-ii camera for guiding. Okay, I have never done autoguiding. I purchased the QHY5 camera and an Orion 50mm guide scope. Tonight will be my first attempt, so crossing my fingers I can at least find a guide star tonight ... WitrynaSoon, all iStar Achromats will feature the R30 option, including apertures from 100-mm up to 250-mm. Better yet, the R30 option adds only about 25 percent to the cost of … WitrynaImage taken with my iStar Asteria 204mm aperture, f/8 refractor. Not an apochromatic, but a pretty good quality lense controls chromatic aberration. According to iStar … molson beer distributors