Focal length = 70mm, aperture F4, shutter speed = 1/30 sec, ISO = 400
Focal length = 120mm, aperture F4, shutter speed = 1/200 sec, ISO = 250Testing Hoya +4 close-up filter on the 50mm F1.7:
minimum focus distance without close-up filter = 0.45m
with close-up +4, the minimum focus length is shorten to about 0.15m
Not powerful enough for macro photography though, should be ok for flower shooting but don't think it'll be useful on insects. Probably useful on a macro lens which I don't plan to invest on it so soon.
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