Latest Review Posted | Cosina MC MACRO 24mm F2.8 A nice treasure of lens. Been quite underestimated, probably because not a native Pentax lens (mine is branded Exakta), and not quite popular. My copy is close to new, very well built. The 'macro' option is very good, although not a real macro, but a close focus. I need to set exposure compensation on it (+0.3-0.7), as the K20D underexposes; I rarely shoot at something different than f4, at this aperture the lens perform really well. The 24mm on my cropped K20D sensor gives an FF equivalent of 36mm, which makes the lens a real walkaround classic.
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