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encouraged other astronomers to assemble their own telescopes and taught workshops on telescope making
you must plug in the controller to emit the signal
up-to-date data from the Gaia spacecraft and unique comparison images of most visible celestial objects
these eyepieces offer incredible value in a very nice eyepiece
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 encouraged other astronomers to assembleThis 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
