LensTip.com

Lens review

Samyang 35 mm f/1.4 AS UMC

30 March 2011
Arkadiusz Olech

8. Vignetting

The Samyang 1.4/35 is a huge lens with a big front element so in the vignetting category it has a good chance to defeat the competitors. First let’s check the situation on the small APS-C/DX sensor.

Samyang 35 mm f/1.4 AS UMC  - Vignetting


As you see the vignetting is not bothersome and even on the maximum relative aperture it doesn’t disturb us a lot because it amounts to only 21% (-0.68 EV). The problems disappears completely by f/2.0, where the vignetting is 9% (-0.26 EV).


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The chart below shows how the Samyang compares with its competitors.


Nikkor
1.4/35G
Canon
1.4/35L
Sony
1.4/35G
Samyang
1.4/35
f/1.4
32%
32%
24%
21%
f/2.0
14%
16%
11%
9%
f/2.8
5%
8%
4%
4%


As we wrote earlier, taking into account significant physical dimensions of the lens we expected a good result but perhaps not as good as this one. The Samyang wins hands down against much more expensive rivals.

Let’s check the situation on full frame.

Samyang 35 mm f/1.4 AS UMC  - Vignetting


At the maximum relative aperture the vignetting cannot be omitted because it reaches 48% (-1.90 EV) there. It is also felt by f/2.0, where it is 34% (-1.20 EV). By f/2.8 and f/4.0 the problem becomes insignificant because the values we see there are 19% and 12% respectively. How does the Samyang compare with its competitors? The chart below allows us to asses its performance.


Nikkor
1.4/35G
Canon
1.4/35L
Sony
1.4/35G
Samyang
1.4/35
f/1.4
60%
70%
59%
48%
f/2.0
44%
50%
43%
34%
f/2.8
25%
35%
23%
19%
f/4.0
15%
27%
15%
12%


Once again the cheapest Samyang is better than its expensive rivals, winning hands down. Its advantage is especially visible when you compare it to the Canon L series lens which, in the vignetting category, performs really badly.

Samyang 35 mm f/1.4 AS UMC  - Vignetting