Attaching the MC-20 make the OM 90mm Macro F3.5 into a 35mm equivalent 360mm Macro @F7 (4x magnificaton)
OK. You go and find another brand of lens of similar focal length, magnification,size and weight and compare.
Results may be worse!!!!!
OK. You go and find another brand of lens of similar focal length, magnification,size and weight and compare.
Results may be worse!!!!!
They say, not I say.
A graph reached at 180 mm, a focal length available after attaching the Olympus MC-20 teleconverter.
Credit: lenstip.com