Schneider Apo-Digitar 4.5/90 mm in Aperture Mount NK-0
Image circle 90mm at f/11
When used in combination with a DSLR the following perspective comparison applies:
= 90mm on SLR full frame
= 125mm on 48x36 digital back CCD
= 144mm on 4,5x6cm film size
= 270mm on 4x5" film size
