Celestron’s optical engineers developed a brand-new 6” RASA with all the same capabilities of an observatory-grade instrument in a grab-and-go package
99 Lens Coatings: Fully Multi-Coated - XLT Coatings Prism Glass (Type): BaK-4 Prism Coatings: N/A Weight: 44
Tested Under 1 Meter of Water for 30 Minutes Eyecup Removable Flip-Down Style Soft Silicone Rubber Lens Caps Slide-on Top and Bottom Materials Optical Glass
and a super-soft inner lining
maintains the contrast advancement of the Type 4s while achieving a true field area 82% larger than the 22mm Type 4
Vintage Tamron SP 90mm f/2.5 lens and hood (Japanese-made) GoTo Celestron’s optical engineers developed aThis is a vintage Japanese made Tamron SP 90mm f 2. 5 lens. It has a lens hood that is torn, but serviceable. It is good condition, with relatively clean optics and body, and some dust as befitting its age. See the photos. This is just the lens only; no caps, no box, no manual. The Tamron SP AF 90mm f 2. 5 Macro (Models 52B, 52BB, and 52E) is a legendary, high performance manual focus (and later autofocus) lens originally introduced in 1979. Highly