Canon EF 200-400mm f4L IS USM Extender 1.4x brand_Argus but it does have a

but it does have a tripod mount

No effect on picture-taking function

and it's in good shape

originally for the Asahiflex camera

is sold separately)

Canon EF 200-400mm f4L IS USM Extender 1.4x brand_Argus but it does have aThe Canon EF 200 400mm f4L IS USM Extender 1. 4x is a large lens, as you might imagine it's about 3. 8kg and just shy of 40cm long but for your trouble, you get fast autofocus, fantastic image quality, a pro grade image stabilizer, and heavy duty build quality. Also, this lens has a handy built in 1. 4x teleconverter that just pops into place with the flip of a lever, instantly transforming it into a 280 560mm f5. 6. Light cosmetic finish wear, clean