Minolta AF 28-105mm xi F3.5-4.5 A-mount lens review by QuietOC

reviewer#43000 date: Jan-28-2018
sharpness: 3.5
color: 4
build: 4
distortion: 4
flare control: 4
overall: 3.9
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:Sony DT 16-80 CZ
Sony DT 16-105
Sony DT 18-135 SAM
Minolta AF 24-85 & RS
Minolta AF 24-105 D
Minolta AF 28-80 D
Minolta AF 28-85
Minolta AF 28-100 D
Minolta AF 28-105 & RS
Minolta AF 28-135
Minolta AF 35-105 Original & New
Minolta AF 35-200 Xi
Sigma AF 28-105 F2.8-4
Sigma AF 35-135 F3.5-4.5
price paid:18 USD (used)
positive:Inexpensive
Fast internal focus
Flat focus plane
negative:Chromatic aberrations
Power zoom
Varifocal
Focus-by-wire
Slightly warm color cast
Small circular hood
comment:This lens ostensibly replaced both the 28-85 F3.5-4.5 and the 35-105 3.5-4.5, but Minolta released a cosmetically updated 28-85 in the following year, while taking three more years to release the non-xi 28-105. "JAPAN"

The Xi lens performs optically just like the later non-Xi versions. If you don't mind the quirks of the power zoom Xi series, this might be an inexpensive alternative.

The AF and power zoom are a bit unreliable on the 600si. The electronic focus compensation for zooming doesn't seem to work on the 600si, but it works fine on the A68. Focus peaking is enabled on the A68 when using the powered focus-by-wire manual focus.

The large amount of focus shifting while zooming from the varifocal design makes the zoom rather useless for video. The lens is electronically compensated by some bodies, but the automatic focus adjustment is made after the zoom is finished. The lens can focus twice as close at the wide end as at the long end.

rating summary

lens image
  • total reviews: 31
  • sharpness: 4.15
  • color: 4.32
  • build: 4.19
  • distortion: 3.94
  • flare control: 3.74
  • overall: 4.07
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