Canon EF 70-200mm f/2.8L IS II brand_Walz and this viewer does exactly

and this viewer does exactly what you'd expect

Designed for stereography

New light seals

stick-style tabletop tripod with a small ball head

but Nikon made less than 500 of them between 1983 and 1988

Canon EF 70-200mm f/2.8L IS II brand_Walz and this viewer does exactlyThe Canon 70 200mm f2. 8L IS II is a pro quality telephoto zoom lens for any Canon EF camera. With sharp glass, quick focusing, fast f2. 8 constant aperture, and an effective image stabilizer, this is an indispensable lens for shooting events or sports. Great function and glass is clean, minor dust aside. In excellent cosmetic condition, with very minor wear. Includes original hood and softcase.