Craig
Craig is not a commonly recognized brand in photography. It may have been a small manufacturer or a brand name used for rebranded lenses. Without more specific historical information, it's challenging to provide detailed information about Craig lenses.
Craig Lenses
Craig Optics 60-300mm f/4-5.6 MC Auto Macro
~$35
Craig Optics 60-300mm f/4-5.6 MC Auto Macro is a manual focus ultra telephoto zoom lens for full frame cameras.<p><b>Optical design</b></p>Thanks to the macro capabilities this lens can make tiny things look big.<p><b>Physical characteristics</b></p> With a lens filter diameter of 67 mm commonly filter size, gives you a variety of filter options.
Craig Optics MC 28-70mm f3.9-4.8
~$35
Craig Optics MC 28-70mm f3.9-4.8 is a manual focus prime zoom lens for full frame cameras.<p><b>Optical design</b></p>Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.<p><b>Physical characteristics</b></p>Weights 330 grams so plan ahead, carry only if really necessary. 66 mm long, this small lens should be always in the camera bag. With a lens filter diameter of 55 mm commonly filter size, provides a range of filter options.