Schneider-Kreuznach 135mm f4 Retina-Tele-Xenar for Retina Reflex format_35mm 6 IS is a compact

6 IS is a compact zoom lens with a pretty long telephoto reach and a built-in image stabilizer

not for mirrorless cameras

8 C Planar lens is in excellent condition

Lowepro's Micro Trekker 200 may be the backpack for you: it holds a decent amount of equipment

5 in good condition

Schneider-Kreuznach 135mm f4 Retina-Tele-Xenar for Retina Reflex format_35mm 6 IS is a compactThe Schneider Kreuznach 135mm f4 Retina Tele Xenar is a telephoto lens for Kodak Retina Reflex cameras. In good condition, with some cosmetic barrel wear. Minor internal dust, good diaphragm, smooth focusing. Includes bubble case, which is structurally sound but in only OK shape. Note that this lens is for Retina Reflex cameras only, not the rangefinders.