Samyang 12mm f2 coma? Bad lens?

Started 2 months ago | Questions thread
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NikVladi New Member • Posts: 11
Samyang 12mm f2 coma? Bad lens?

I wrote to my dealer about returning the lens. Can you tell if these distortions of stars around the edges of the frame are abnormal?

I have a lot to compare with the 16mm 2.8 Fuji is flawless compared to this lens. Focusing is normal judging by the center of the frame.

RAF + JPG https://disk.yandex.ru/d/tIB1Vqv3VLsz_Q

2.0, 5 sec, ISO1000.

The same star is circled in three different photos.

Distortion of the star is clearly visible.

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