Rokinon/Samyang 14mm F/2.4 SP/XP Lens Quality

Started 3 months ago | Questions thread
nighthiker Contributing Member • Posts: 576
Re: Rokinon/Samyang 14mm F/2.4 SP/XP Lens Quality


I'm using these 14mm only for astro.

I have had the old Samyang/Rokinon 14/2.8 with the usual decentering issue and was disappointed. Now I have the Sigma A 14/1.8 and the Samyang/Rokinon XP/SP 14/1.4 which have both pro's and con's. I'm very skeptical with non-XP lenses from Samyang due to their known poor quality.

Samyang 14/2.4:

- Very little coma (nearly coma-free around f/2.8)

- moderate vignette

- a sharp lens

- moderate price

- moderate weight

Using the lens-profile of Adobe Camera Raw I haven't had any problems with panoramas, but the lens has some distortion.

Sigma A 14/1.8

- little/moderate coma in the corners (nearly coma-free around f/3.2 or f/4)

- less vignette than the Samyang

- a sharper lens than the Samyang

- expensive

- heavy

When light-gathering or the best image quality is paramount (e.g. meteor shower) I use the Sigma, but when weight is an important point (longer mountain hike at night) I prefer the Samyang.

Due to their small opening both 14mm lenses are not that well suitable for astro (, but for certain astro photos that is acceptable.

The new Sony 14/1.8 seems to be better in most aspects compared to the Sigma, but has - interestingly - more coma. OK, I'm not a Sony user.

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