Nippon Kogaku 600mm f9 APO-Nikkor in 5.5" Sinar board  type_Colour Slide and there's probably a reason

and there's probably a reason for that

and the option for full manual control

back is light-tight with good frame spacing

It’s still totally workable

This Diana F+ is a plastic "toy" camera that would normally shoot 120 rollfilm- but this one is fitted with the Fuji Instax Mini instant back

Nippon Kogaku 600mm f9 APO-Nikkor in 5.5" Sinar board &nbsptype_Colour Slide and there's probably a reasonThe Nippon Kogaku 600mm f9 APO Nikkor is a barrel lens (without shutter) that covers up to 11x14". In excellent condition, with minor internal dust and light cosmetic wear. Diaphragm blades are even, though a few have light oil which does not affect function. The flip away lens cap holds well, though only one spring clip is present. The lens is threaded into a custom 5. 5" Sinar compatible board.