135mm f4 Jupiter-11A for M42 brand_Vivitar and the stabilizer system is

and the stabilizer system is effective enough to make handheld shooting at full zoom possible

Attaches easily

And the lenses are very high quality to boot

But if you’re looking for a good deal on an adjustable viewfinder

Glass has minor cleaning marks on front and rear elements but is otherwise clean and clear

135mm f4 Jupiter-11A for M42 brand_Vivitar and the stabilizer system isThe 135mm f4 Jupiter 11A is a Soviet made short telephoto lens for M42 thread mount, with manual focus and manual diaphragm (with a "preset" feature to make life just a tiny bit easier.) Some cosmetic paint wear, smooth focusing, nice image quality. Includes lens hood.