Originally posted by Thekillerqueen
Thanks very much. How do you tell if a lens has a k mount? Just so i know myself in future

It's a matter of learning the differences between different lens mounts.
A K-mount lens will have three bayonet flags, and there are no notches in the flags.
With the mount mark (red dot) at 12 o'clock, there will be a notch for the lens release at about 4 o'clock. The aperture lever will be in the same area.
If there are electrical contacts they will be on the lens mount ring. They will be round. Some lenses will have two electrical contacts inside the mount ring.
If there is a narrow pin at the 6 o'clock position it may be dangerous (Ricoh pin). But most are a wide nub and not dangerous.
Nikon F-mount lenses can look similar, but the lens release notch will be on the opposite side. There are other differences too that become obvious with enough practice looking.
This is a plain K-mount with no contacts...
SLR Lens Mount Identification Guide