Canon Bellows FL with 100mm f4 Bellows lens lens mount_Praktica Electronic 4 is a fast standard

4 is a fast standard lens for Pentax K-mount cameras

It'll connect to either the classic SLR remote port or the newer multi-terminal cable found in most E-mount and compact Sony cameras

It'd probably do a good job with a smaller medium format camera

including the A7 series)

unless you're lighting your scene with an x-ray source (please don't

Canon Bellows FL with 100mm f4 Bellows lens lens mount_Praktica Electronic 4 is a fast standardThe Bellows FL is a macro bellows compatible with Canon FD and FL lenses and cameras. For close up work, the additional extension provides extremely high magnification (dependant on lens.) The included 100mm f4 FLM lens has light internal haze, but it otherwise in good condition.