Minolta AF 100mm F2.8 Macro D A-mount lens review by QuietOC

reviewer#44482 date: Mar-20-2020
sharpness: 4
color: 5
build: 4
distortion: 5
flare control: 4
overall: 4.4
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 MP; 24MP24 MP; 36MP36 MP; 42MP42 MP; 61MP61 MP
ownership:I own this lens
compared to:Opteka 15 F4 Macro
Tamron 20 F2.8 OSD M1:2
Tamron 24 F2.8 OSD M1:2
Sony DT 30 F2.8 Macro SAM
Tamron 35 F2.8 OSD M1:2
Sony FE 50mm F2.8 Macro
Sony A 50 F2.8 Macro
Minolta AF 50 F2.8 Macro RS
Minolta AF 50 F3.5 Macro
Minolta Macro Rokkor-X 50 F3.5
Tamron SP 60 F2 Macro
Sigma EX 70 F2.8 DG Macro
Tamron SP 90 F2.5 Macro
Canon EF 100 F2 USM
Minolta MC 100 F2.5
Minolta AF 100 F2.8 Soft Focus
Minolta AF 100 F2.8 Macro RS
Cosina AF 100mm F3.5 Macro
Canon EF 135 F2.8 Softfocus
Vivitar 135 F2.8 Close Focusing
price paid:180 USD (used)
positive:Fast AF
Range limiter
Distance encoder
Lens Compensation
negative:Focus drifts/shifts
Softness away from center
Heavy focus throw
Noisy focus gearing
Extends for close focus
Purple fringing
comment:Like new copy from a reliable eBay seller. A Konica-Minolta LF-1355 front cap and LB-1076 hood were included. No box or paperwork were included. The original version of this lens came out a year after the Alpha system debuted. Minolta added a distance encoder to this version for their ADI flash system. That information is now used for translation stabilization. Sony rebadged this lens as the SAL100M28 and raised the retail price to $800 before discontinuing it in early 2021. The Minolta gets all the electronic benefits of the Sony version. "JAPAN"

This copy rattles less than my RS version. I assume the rattling element may partly cause the focus drifting in both lenses. The motorized lenses don't have this problem. This one drifts less. It is sharper than the older lens with less optical issues.

Unfortunately Sony offers no way of holding the apertures of A-mount lenses to the shot f number like the default behavior of E-mount lenses. This limitation prevents accurate close focusing.

Despite the floating elements the image quality degrades away from the center at lower magnifications. The Canon EF 100 F2 USM is much sharper there.

rating summary

lens image
  • total reviews: 63
  • sharpness: 4.95
  • color: 4.98
  • build: 4.70
  • distortion: 4.98
  • flare control: 4.89
  • overall: 4.90
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