SMC Pentax-M 28mm f2.8  type_Film Cameras Now picture this: you find

Now picture this: you find yourself in a situation where you want to use all three strobes at once

Standard 1/4"x20 thread for camera mounting

8 constant aperture

an improbably fast telephoto lens for Canon EOS film and digital cameras

Nikon 85mm f2

SMC Pentax-M 28mm f2.8 &nbsptype_Film Cameras Now picture this: you findSo we're right up front about it: This lens has a stiff aperture control ring. No, that's not how it's supposed to be, but that's the way it is. However, the glass is clean and imaging is excellent. If you don't mind a bit of extra exercise when you're changing apertures, this is a nice little wide angle lens in otherwise fine shape.