Test : CANON EF 500mm F4 IS2 with 2x TC picture quality
[this is not a test to compare among brands … just a plain test on tc effect] many years back before I upgrade to Canon mark2 tele lenses … I always try to avoid tele-convertor 2x … max I used is 1.4x but than still minimum use due to the quality drop is too much … Continue reading Test : CANON EF 500mm F4 IS2 with 2x TC picture quality
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