Sigma 50mm F1.4 EX DG HSM A-mount lens review by QuietOC

reviewer#44223 date: Feb-9-2019
sharpness: 3.5
color: 4
build: 4
distortion: 4
flare control: 3
overall: 3.7
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:Minolta Rokkor 40 F1.7
Konica AR 40 F1.8
Canon EF 40 F2.8 STM
Pentax-M 40 F2.8
Pentax-DA 40 F2.8 XS
Pentax-FA 43 F1.8 Limited
Samyang AF 45 F1.8 FE
Tamron SP 45 F1.8 USD
Minolta MD 45 F2
Sigma 45 F2.8 DG DN C
Rokinon 50 F1.2
Yongnuo 50 F1.4
Canon EF 50 F1.4 USM
Minolta MD & AF & Sony AF 50 F1.4
Minolta AF 50 F1.7 & RS
Sony FE 50 F1.8
Canon EF 50 F1.8 STM
Fotasy 50 F1.8
Vivitar 50 F1.8
Sony DT 50 F1.8 SAM
Sony E 50 F1.8 OSS
Minolta MD 50 F2
Neewer/Meike 50 F2
Minolta MC 55 F1.7
Sony FE 55 F1.8 Sonnar
Minolta SR 55 F2
Minolta MC 58 F1.4
price paid:188 USD (used)
positive:Quiet focusing
Good contrast
Smooth focus throw
Nice appearance
9 aperture blades
negative:Size and weight
Focus shift
Chromatic aberration
Soft wide-open
Full-frame corners
Unit focus
Pink color cast
77 mm filter threads
comment:First copy was like new used purchased on eBay from a large camera retailer with all the original parts and packaging. The second copy came loose. "MADE IN JAPAN"

This is built a lot like the earlier EX primes especially the 24 F1.8 and 28 F1.8. It uses a simple unit focus design like most older 50 mm lenses. Unlike those lenses the hood bayonet and filter threads don't move during focusing.

Both copies were less sharp than other normal primes. The second copy performed similarly but had less aberration wide-open. There is a high amount of aberration probably from the thick glass elements used. It is extremely hard to focus accurately without stopping down. Unfortunately E-mount lens adapters hold lens apertures wide-open for focusing. It needs to be front focused wide-open to be sharp stopped down.

It is almost as bright as the Canon EF 50mm F1.4 USM and brighter than the Minolta/Sony 50 F1.4. It has a similar pink color cast as the Canon lens. The corners are slightly brighter than the smaller primes, but not as bright as the Tamron 45 F1.8.

This lens has a much wider angle-of-view than the other 50 mm lenses, but it is not quite as wide as the 45's. It has a similar angle-of-view as the long end of the Sigma 17-50 F2.8 HSM.

rating summary

lens image
  • total reviews: 61
  • sharpness: 4.75
  • color: 4.67
  • build: 4.64
  • distortion: 4.82
  • flare control: 4.59
  • overall: 4.69 - Home of the alpha system photographer
In memory of Cameron Hill - brettania