1/5/2024 0 Comments Sony e mount fisheyeCelui porte le doux nom de Fisheye-Hemi plugin et fonctionne soit avec Lightroom soit avec Photoshop. Le meilleur moyen d’utiliser cet objectif est d’acheter un plugin fisheye vendu 25$ par. In practice : 1 without correction / 2 with Lightroom lens profile / 3 with Hemi plugin The Fisheye-Hemi plugin uses almost all of the pixels. A rectilinear mapping like with Lightroom lens profile will discard approximately one third of the pixels and distord your subject near the edges.Fisheye-Hemi provides a more normal view of people by not distorting their faces and bodies, and straightens vertical lines.The Fisheye-Hemi Plug-In automaticaly remaps your fisheye images to minimize distortion and maximize the preservation of all image details.It is called Fisheye Hemi plugin and works with Lightroom or Photoshop : see here The best way to use this lens is to use a Fisheye plugin sold 25$ by L’image capturée n’a pas de coins noirs, elle couvre bien l’entièreté du capteur 2 Presentation Le Samyang 12mm F2.8 ED AS NCS Fisheye offre un angle de vue de 180° sur la diagonale d’un capteur plein format et une projection dite stéréographique qui maintient les angles et respecte la forme générale des objects même sur les bords de l’image Toutefois après avoir découvert que l’on pouvait automatiquement convertir l’image fisheye de cet objectif en un projection rectilinéaire de 180°, je me suis aperçu que j’avais un main un objectif assez exceptionnel. Je ne suis pas un grand fan de l’effet fisheye, donc je n’étais guère enthousiaste pour le test de cet objectif. The captured image has no black edge in the corners = full frame fisheye image The Samyang 12mm F2.8 ED AS NCS Fisheye is offering a 180° angle of view diagonally on a full frame sensor with a stereographic projection that maintain angles and the objects retain their general true shape even near the corner of the image. You will understand later in the review why! I am not a big fan of the fisheye effect, so when I had to test this lens I was not very enthusiast, however after having discovered that you can automatically convert the images taken to get a perfect rectilinear projection with an angle of view of 180° I was thrilled. Toutes les photos de l’article ,prises avec le sony A7RIII et sans aucunes retouches sont disponibles en pleine résolution (42Mpix) dans l’album flickr suivant : Samyang 12mm F2.8 fisheye 1 Introduction Etant donné que les optiques Samyang manuelles sont rigoureusement identiques pour toutes les montures, le test suivant donnera exactement le même résultat que la version native pour monture E Notez que comme la version pour Sony E n’était pas de stock, j’ai utilisé la version Canon avec l’adaptateur sigma MC11. Merci à Samyang Benelux pour m’avoir prêté cette optique. As the lens is exactly the same for all mounts, below test will give same result as the native E mount versionĪll photos, taken with Sony A7RIII and without post processing are available in full size (42Mpix) in the following Flickr album : Samyang 12mm F2.8 fisheye Note that, as the Sony E version was not in stock, I used the Canon one with the Sigma MC11 adaptor. Thanks Samyang Benelux for lending me this Samyang 12mm F2.8 fisheye. Optical performances / Performances optiques.De-fishing the fisheye / Corriger le fisheye.( 13 Comments ) Samyang 12mm F2.8 ED AS NCS Fisheye.Improper use of lens ring clamp may cause stress and damage to the lens. ![]() Optional advanced rail stop to remember NPP setting.Great for use on a monopod or high pole.Arca Swiss Compatible quick release design, can be mounted directly to other Arca Swiss compatible systems without using R1 or R10.Permanently mounted to lens, making reproducible mounting possible, and much quicker to set up.Index marks for every 90 degrees in the front and every 30 degrees at the back for easy alignment of roll of lens.Rolling the camera/lens in any position including the popular 0, 60 and 90 degree positions.Mounted close to the camera to reduce stress on the lens due to gravity of camera body.Large clamping area to reduce stress on the lens barrel, reducing the risk of damaging the lens.It is contoured to fit the lens and hence increase area of contact. ![]()
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