Can i use the lens from old cameras ( Pentax ) for digital camera (Pentax )?
If they’re screw-mount (M42) get an adapter to mount it to the digital camera. Just make sure the adapter you get is flushed to the camera’s mount. If it is raised even by just a bit, focus to infinity will be off. The adapters are cheap and there are lots in eBay. If it’s a bayonet mount (Pentax K-mount), the lens will fit directly. Most old lenses will have to be focused manually but the Pentax dSLR will aid you with focus confirmation on the viewfinder. Most lenses will have to be used under manual or aperture-priority modes but the meter will work and will warn you if you go over or underexposed. All lenses, may they be new or old, will benefit from in-body Shake Reduction (SR) so you can take sharper images even with your old lens. If you are used to using a Pentax film SLR, using your old lens on the new Pentax dSLR will force you to shoot the old way you know of without having to learn much aside from the new control layout. This is the main reason I got a Pentax K200d, to make
