Reviews and Problems with Samyang 24 mm f/1.4 ED AS UMC
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REVIEW: Samyang 24mm f/1.4 ED AS IF UMC Lens Review
25 August 2012
Excerpt: Handling and features This lens is available to fit many different types of cameras, including Canon, Nikon, Pentax, Sony and Four Thirds SLRs as well as Samsung NX mirrorless cameras. Nikon users have a choice between the basic model, which has no electronic coupling and the AE model, that has electronic contacts for transferring exposure information to the camera. In this review we will be putting the AE Nikon version through its paces.
Summary: When using such the shallow depth of field that an f/1.4 lens offers, a manual-focus-only lens is a good reminder of just how useful autofocus is. Even a skilled photographer will find that there are numerous occasions when the manual focus is ‘off' in everyday images. For the landscape photographer who has time to compose and view images, though, this is less of an issue, and exactly where the Samyang 24mm f/1.4 lens comes into its own.
Excerpt: This lens is available to fit many different types of cameras, including Canon, Nikon, Pentax, Sony and Four Thirds SLRs as well as Samsung NX mirrorless cameras. Nikon users have a choice between the basic model, which has no electronic coupling and the AE model, that has electronic contacts for transferring exposure information to the camera. In this review we will be putting the AE Nikon version through its paces.
Pros: Very good value for the price, Excellent sharpness when stopped down, Good build, Good sharpness in the centre stopped down to f/2 or beyond
Cons: A little soft at f/1.4, Pronounced falloff at f/1.4
Samyang 24mm f/1.4 ED AS UMC (EOS) - Full Format Review
2 July 2012
Conclusion: It may be a bit embarrassing for the original manufacturers but the Samyang 24mm f/1.4 ED AS UMC manages to produce a quality similar to its roughly double priced counterparts. Admittedly, the 24mm f/1.4 suffers from slightly lower contrast at large apertures but the resolution is already pretty high here and that's including the difficult outer image regions. The results get more snappy at f/2.8 and beyond the lens is very sharp indeed.
Excerpt: The Korean company Samyang builds its market position slowly but successively. It seems to be a part of their very well-thought-out strategy. They offer manual lenses, most often with short focal lengths in which the lack of autofocus is the least bothersome, which are characterized by good optical properties and a great price/quality ratio.
Cons: real aperture of the lens is much closer to f/1.8 than to f/1.4 or/and wrong conctruction of the diaphragm,, distortion level higher than in the case of its competitors,, slackened manual focus ring,, very high vignetting on full frame,, no contacts in the Canon mount version,, weak image quality by f/1.4 and f/2.0.
Summary: Na koniec najciekawsza atrakcja, której ślady można było już znaleźć czytając poprzednie rozdziały. Obiektyw pokazał szereg ciekawych własności.
Pros: bardzo dobra jakość obrazu po przymknięciu obiektywu o 1.5 EV,, dobrze kontrolowana aberracja chromatyczna,, przyzwoita praca pod ostre światło,, koma dobrze korygowana na detektorach APS-C/DX i mniejszych.
Cons: rzeczywiste światło obiektywu znacznie bliższe f/1.8 niż f/1.4 lub wadliwie zamocowana przysłona,, dystorsja większa niż u bezpośrednich konkurentów,, luzy na pierścieniu do ustawiania ostrości,, bardzo duże winietowanie na pełnej klatce,, brak styków w wersji na bagnet Canona,, słaba jakość obrazu na przysłonach f/1.4 i f/2.0.