Tamron SP 80-200mm f2.8 LD BBAR MC for Nikon F brand_Novoflex smaller than even a Barnack

smaller than even a Barnack Leica (though it's a bit thicker and definitely weirder)

2 is a very early preset-aperture lens for the M42 thread mount

and an original Deardorff hardcase

The Nikon BR-5 is a stepping ring designed to allow lenses with 62mm front threads to be reversed onto the Nikon BR-2 or BR-2A (not included) which are otherwise compatible only with 52mm threads

but this one does not respond to battery power

Tamron SP 80-200mm f2.8 LD BBAR MC for Nikon F brand_Novoflex smaller than even a BarnackThe Tamron SP 80 200mm f2. 8 LD BBAR MC is a fast telephoto zoom lens with Tamron's interchangeable Adaptall mount system (a Nikon F mount is provided here). This is a well made manual focus lens, with smooth focus and zoom action. Cosmetic condition is very good, with light finish wear; the glass is clean, with light dust. Includes hood and original case (which has a bit of wear.)