Minolta Angle Finder V brand_Nissin The RF mode is a

The RF mode is a magnified image of the rangefinder only- basically an optical version of the Live View zoom mode on newer mirrorless cameras that makes accurate focusing easy

A thoroughly modern professional-class telephoto zoom lens

just like physical cards

Please note that "all purpose" in this context means that it's suitable for purposes of photography requiring focal lengths of between 18 and 140mm

Minolta Angle Finder V brand_Nissin The RF mode is aThe Minolta Angle Finder V slips on to your compatible Minolta SLR and provides an extended, rotating viewfinder helpful for low angle or copystand work, among other things. In excellent condition, with box.