Sigma 15mm f/2.8 EX DG Diagonal Fisheye : Specifications and Opinions

Reviews

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Karl8

sent on 17 Settembre 2015

Pros: Luminoso e nitido anche a TA; Bello sfuocato a f/2.8 ed ottima iperfocale a f/8; 12.5 mm "rettilieno"; Piccolo e leggero ma robusto.

Cons: AF lenta (ma non e' un vero problema); Effetto fish eye (diagonale) poco pronunciato.

Opinion: Luminoso e nitido anche a TA, ma capace di una messa a fuoco a 15 cm, con prospettive nuove e molto interessanti, accompagnate da un ottimo sfuocato a f/2.8, oppure da nitidezza quasi infinita a f/16; MF sufficientemente "ferma" da lasciarlo in iperfocale (a f/8 va da 50 cm ad infinito). Ha un effetto fish eye poco pronunciato ed e' quindi facile da "defishare" con un click in LR: Diventa cosi' un ottimo 12.5 mm equivalente nitido da lato a lato. Ho fatto un breve confronto con il 16-35 Canon @ 16 ed il 12 CV (montato su Sony A7). Senza correzione il 15 FE e' molto piu' ampio del 12 CV, mentre "defishato" e' leggermente piu' stretto (diciamo 12.5 circa). In ogni caso e' sempre molto piu' ampio del 16-35 a 16. E' quindi un piccolo, leggero, nitido e robusto UWA, che in PP puo' diventare un 12.5 rettilineo, oppure rimanere fish eye (se usato bene per certe foto di paesaggio, l'effetto fishe eye non si nota) con una copertura che potrebbe essere quella di un 10 mm rettilineo (?). Ovviamente rimane anche un fishe eye da usare come tale, quando si vuole ottenere quel effetto. CONCLUSIONE: Obiettivo con ottima IQ e molto versatile, che copre tantissime applicazioni e permette d'essere creativi con modalita molto diverse.

The following opinions have been automatically translated with Google Translate.

Mikidel

sent on 07 Febbraio 2024

Pros: Sharpness at full aperture, colors, construction (Black version)

Cons: Focus ring not full time manual focus and spinning during use in af

Opinion: Looking for a good fisheye with af after a good Samyang 8mm for aps-c and the excellent Samyang 12mm for full frame, I came across this lens and after some hesitation I bought it. What can I say, fully satisfied with the purchase, already sharp at full aperture, it improves further by closing down to f/8. Accurate af with both 5d IV and 1DX and correspondence with distance scale (I don't complain about the randon focus reported by some). Highly recommended. Update of 28.3.2024 I would like to point out that on the R6 with adapter it is perfectly compatible and it is a pleasure to be able to focus at any point in the frame.

Aquiladimare

sent on 02 Ottobre 2019

Pros: Light, outstanding for underwater photos, great AF

Cons: Sharpness and distortion

Opinion: It's a lens with great value for money that I use on my CANON 5D mk III. The AF responds very well to my needs and the chromatic rendering is really good. Excellent workmanship, pleasant to the touch and very small size. I use it purely for underwater photos where often the ambient photo is the master. It has obvious aberrations and distortions that in underwater photography are often tolerated while in the landscape and urban photo it has many limitations.

Aladino56

sent on 29 Dicembre 2017

Pros: I find that it is well built, excellent performance even at TA good even the AF, tried in difficult situations defends well against the light with very little flare.

Cons: On my own account, I never use it very willingly.

Opinion: I bought this lens found used in a shop where I also tried an 8 mm Samyang and I must say that the choice fell immediately on the Sigma, no sign of wear only stains on the front lens that with a little liquid have disappeared, the yield I was amazed and the focus is always ready and fast with the Nikon D610 even if with a FISHEYE there is always a lot of depth of field and then easy operation. No problem of construction or other noise of "scrap" as with the 17/35 sigma, if you find it used I definitely recommend it.

Max010

sent on 05 Marzo 2016

Pros: Construction, weight, color, speed and precision AF, good resistance against the light, quality / price ratio, f / 2.8 very useful, Sharpness to TA

Cons: chromatic aberrations, edges TA at the center sharpness is always good

Opinion: Lens with high build quality, and a good value for money, I am using it on Nikon D810, and I must say I was impressed by the pictures that returns, with beautiful colors and natural, high definition, fast AF (although in most part of the situation is useless and you can safely use in MF) truly remarkable strength in the light, beautiful even the star loses a little something in the extreme edges especially TA, much better from f / 5.6, light and just the right size. They often have little at all apertures chromatic aberrations, especially in backlight on all fixable PP. Definitely recommend buying this Fisheye

Arruffato

sent on 01 Agosto 2014

Pros: Lightweight, well-built

Cons: Focus uncertain. Price not low, considering surrender.

Opinion: The opening of the box shows a perspective well done, with a front cover well done. The plastics are precise and communicate an impression of robustness. RNLA test was made with a Nikon D600. rnL'immagine has a good yield of neutral color with contrast elevato.rnFatti the very first shots I have to say I was expecting something more from sharpening but you probably are that I expect too much. The edges of the images are soft but improved enough stopping down to f8 are more or less as the center. RNLA autofocus is pretty useless, it would be recommended to be used in hyperfocal. The image is in focus so that the lens focuses on random 1 m to infinity at will, and the results are completely equivalent, especially if it is closed a little 'diaframma.rnProbabilmente is a problem with the product category, the sharpness is not that of a 50 or a good wide-angle, do not expect pictures cut with the laser. rnIl price is not really popolare.rnrn

D700px

sent on 16 Giugno 2014

Pros: Lightweight and compact, excellent color rendition, very sharp

Cons: To be super picky slight and imperceptible aberazione only with strong color contrast highlights low-lights. RnPrezzo slightly higher but acceptable compared with the cousin nikon 16mm

Opinion: Beautiful lens (in my opinion), lively colors, well made, light and handy, a lens that does not disappoint, bright and true as sharpness at low light (night on the town ') used freehand, beautiful alternative to his brother nikon (much more 'expensive). rnFinora did not disappoint me, if mounted on bodies right you can' be considered a great gradangolare almost fisheye (keep in mind that this is born for Fx). rnConsigliatissimo

G.C.

sent on 08 Aprile 2013

Pros: Sharpness, lightness

Cons: There is too much difference in sharpness between the edges and the center of the lens than Nikon reference

Opinion: Ideal for macro set (especially combined with sensors DX or APS-C) as the lens has a minimum distance of only 15 cm.rnLo I always carry with me on trips because natural light to photograph .... so a little 'more original subjects as diverse as can be both the landscapes that particolari.rn

Ivan.pirina

sent on 08 Gennaio 2013

Pros: Sharpness, weight, construction

Cons: AF is not lightning, lack of full time MF.

Opinion: It 'a cheaper alternative to the Canon without sacrificing a lot of quality, both optical and constructive. I use it with a 5D III and gives me really razor-sharp images already in the TA, even if I use it almost always more diaframmato.rnSulle APS-C may be an alternative for macro acclimatized with the ability to focus on a few cm from the lens front. The construction is very high quality and also is aesthetically very bello.rnL 'autofocus is not just a thunderbolt of war, but we are talking about a 15mm, then you can do it again in less than an ultrasonic motor; I consider most annoying lack of full time MF (for how I use it).

Unstopmemore

sent on 28 Dicembre 2012

Pros: Impeccable build quality. A true also for fullframe fisheye.

Cons: No one since I have it

Opinion: It has a build quality equal to or perhaps greater than the Canon L series lenses. It 'a real fisheye for those who use fullframe. The edges and a good yield exceptionally bright f2.8. If you find it used spare time than the equivalent lens canon. Preciso and compact. AF is not fast, but on a 15 mm, does not feel so much need. Esteticamente very nice to the touch is made of high quality materials