Samyang AF 85mm F1.4 Autofocus Lens for Sony FE

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Globalement le Sigma 85mm F1.4 DG DN Art survole la compétition et ne coute que 300 euros de plus que le nouveau Samyang 5 Sample of Photos /Exemples de Photos Le Sigma 85mm F1.4 DG DN Art et le Sony GM sont les meilleurs en terme de bokeh et de flou d’arrière plan

For still images, keeping a distance equal to the diagonal length of the full image surface is recommended. The full frame sensor of a digital camera is 36 x 24mm and the diagonal length is 43.26mm so any distance close to this number is nearer to the ideal than the currently accepted industry standard of 50mm. Regardless of the brand name and barrel style, the optics are the same. And Samyang sells the 85mm for every major camera system. You can get it for Canon, Four Thirds, Nikon, Pentax, or Sony SLRs, as well as for Canon, Fuji, Micro Four Thirds, Samsung, and Sony mirrorless cameras. The Nikon version of the lens, which we received for review, supports electronic aperture control, but other mounts only support mechanical aperture control. The lens is not optically stabilized, but it's not a feature that's usually found in 85mm prime lenses.The Samyang AF 85mm f/1.4 FE (also known as the Rokinon AF 85mm f/1.4 in the USA) is a new fast portrait prime lens for full-frame Sony Alpha cameras.

Le Sigma 85mm F1.4 DG DN Art est le pire en terme de distorsion et de vignettage , le Samyang est au milieu, le meilleur étant le Sony GM This well-balanced and clearly well-made lens weighs in at a very reasonable 509g. Measuring 83.4mm in diameter and 99.5mm long, it is also fairly compact and certainly suits the camera body in terms of handling. There is a provided round, bayonet-fit lens hood that clips cleanly into place and shows no sign of easily being shifted in use. Within the bayonet mount for the hood is a standard 72mm filter thread. Thanks to various seals within the lens body, its weather sealing offers protection against light rain, snow and dust. It is commendable that Samyang at least offers some degree of explanation of the term “weather sealing”, something which is not always the case. Samyang AF lenses: More recently, Samyang has brought autofocus prime lenses to the market. Most of these are designed for Sony mirrorless cameras, in full-frame FE-mount. There are currently nine in total, ranging from the AF 14mm f/2.8 FE to the AF 85mm f/1.4 FE, both of which are also available in Canon RF-mount editions. Samyang has additionally created 14mm and 85mm autofocus lenses in Canon EF and Nikon F mount options, but with a different design to the mirrorless lenses. The best standpoint from which to appreciate the full view of a subject is the distance of the diagonal length of the subject frame. This wider angle is superior to standing closer at a 50 degree angle to get a more detailed view.Chromatic aberration is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software. En situation réelle les résultants obtenus sont très bons, on remarque néanmoins occasionnellement des petits ratés d’Af sur les sujets en mouvements