Minolta AF 75-300mm F4.5-5.6 A-mount lens review by glencraig59

reviewer#8028 date: Sep-28-2010
sharpness: 4.5
color: 4
build: 5
distortion: 5
flare control: 4
overall: 4.5
tested on:
  • film camera:Film camera
  • APS-C: 6MP6 MP; 10MP10 MP; 12MP12 MP; 14MP14 MP; 16MP16 MP; 20MP20 MP; 24MP24 MP
  • full frame: 12MP12 MP24MP24 MP36MP36 MP42MP42 MP
ownership:I own this lens
compared to:Min 100-300 APO D; Min 70-210 BC
price paid:169 USD used
positive:Good range, well-built.
negative:Need to stop down to f/8 to be tack sharp.
comment:I tested for sharpness as follows: took a complete set of pictures with a tripod at all focal lengths and apertures and looked at an area 100% on screen one-third in from left and bottom edges.

Compared to the beer can, this big beer can is not quite as sharp wide open, though still acceptable, except at the long end, 250-300 mm. By "acceptable" I mean only some very slight softness at 100%; I could still read the fine print in my images. Pictures were tack sharp by f/8 at all focal lengths from 75-210 mm, except 135 mm, which was tack sharp by f/6.3.

At 250 and above, my copy of this lens is not usable wide open, and shows a severe color shift as well as very soft images. The 100-300 APO is better at this end with both color and wide-open sharpness. At 250 mm, I had to stop down to f/11 to make it tack sharp, but by 300 mm this was back to f/8.

In sum: from 75-200, usable wide open, better one stop down, and tack sharp by f/8; 250-300, not usable wide open, stop down to at least f/8 for good results.

rating summary

lens image
  • total reviews: 82
  • sharpness: 4.50
  • color: 4.84
  • build: 4.89
  • distortion: 4.57
  • flare control: 4.18
  • overall: 4.60
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