Rodenstock 4x Aspherical Loupe with Kodak Ektachrome branding m42 adapter and compatible with the extensive

and compatible with the extensive range of Canon EF and EF-S lenses

and that includes 4x5

but this lens has got a bit of extra reach and about half the size and weight: not a bad tradeoff

" Holds a large DSLR or medium format system

Prakticar 2X Automatic Teleconverter Lens for the Praktica Electronic SLR mount

Rodenstock 4x Aspherical Loupe with Kodak Ektachrome branding m42 adapter and compatible with the extensiveAll the benefits of a Rodenstock Aspherical loupe brilliant clarity and low distortion plus sweet "Kodak Ektachrome Professional Film" branding. The movable shroud can be used in the down position for transparencies, or you can slide it up to reveal a translucent diffuser for inspecting prints. In excellent condition, with strap and original box.