50 1.4




Production: 2014 - in production (from 2018 e-mount)
Focal length: 50mm
Format: Fx and APS-C
Max Diaphragm: f 1,4
Diaphragm Blades: 13 in 8 groups

Filters Diameter : 77mm
Stabilization: NO
Tropicalization: YES
Minimum Distance MAF: 0,40m
Focus: AF Ultrasound Engine (Ring-USM)
Dimensions: 85 x 100mm (85 x 130mm e-mount) 

Weight: 815g (865g e-mount)



‚Äč- image quality
- Bokeh

- 3d effect

- Value for money

- Sharpness

- Corners at TA

- AF sometimes not accurate
- Weight
- AF calibration on "DSLR-mount"


Ever since you grab it for the first time you realize you have something very premium in your hands, finishes and construction have nothing to envy to the much more noble Zeiss etc. Mounted on my D800 in the first shots I was impressed by the cleaning of the files it generates, especially when combined with "ultra-pixelated" bodies such as the D800. The main problem, which is also presented immediately is the weight: it is impossible not to suffer its 800g that combined with the kg of the D800 on which the mountaint make dangerously approach the weight of the combo to 2kg. This defect, combined with the problems of AF (especially in cases of low light) are widely forgiven when you take the hand and you begin to fully appreciate all the PRO. AF almost imperceptible, creamy and extraordinarily smooth bokeh, three-dimensionality with few equals and sharpness always at the highest levels (sometimes it is even necessary to lower it in PP) and excellent edge management even at TA are his business card. It's a lens that is impossible to not fall in love with, Sigma with the series Art has really broken the market in two, and even now that I switched to Sony is a candidate to return to my park lenses. Some specimens need the Dock to do the calibration of the AF, although I did not come across a defective unit I found it very disappointing that Sigma does not offer (due to the spreading of AF problems) in the lenses in tribute to the aforementioned Dock.

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