Canon EF 300mm f4L USM Wideangle Includes two protective caps (for

Includes two protective caps (for "crisp response" and "very crisp response")

9 lens for M42 thread mount

it's bright yellow

but if not: it's a plastic

5x lifesize with a standard 50mm lens (not included)

Canon EF 300mm f4L USM Wideangle Includes two protective caps (forThe Canon EF 300mm f4L USM is a high quality telephoto lens with quick USM focusing and Canon's premium L glass and construction. It doesn't zoom, but it's nice and sharp, and weighs less than Canon's 100 400mm lens plus it's almost a stop faster at 300mm. In very good cosmetic condition, with minor paint and finish wear. Glass has light dust, focusing is good.