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Review Summary
2024-10-26T04:28:19
In another life with another brand (Pentax), my favorite travel rig was a set of compact, high quality crop primes (15/20/40/70)-faster and much lighter around the neck than a zoom. Sony has put together with the 24/40/50 2.5G FF lenses with a similar philosophy. I bought this Sigma to add a compact tele to my compact G lenses for the A7RC. The 90 performs superbly and adds the Tele end I used to have with a 70 on APS-C but now with FF capability and terrific cropping potential of a 61mp sensor. The only catch is that the Sigma is made of metal, and it weighs twice as much and is twice the size of the compact Sonys. It makes it harder to put this kit in a compact waist pack or photo vest pocket, and too often, the Sigma gets left at the hotel. (It's also why the metal, massively heavy Sigma 135/1.8 never comes along on vacation.) Also, kudos for giving me an aperture ring, but why no hold button? Programmable controls on the lens are much appreciated with Sony's compact bodies. If this lens were more like the compact Sony G series and less like the old metal Zeiss FE lenses, I'd give it a perfect 5.
Gene V.
2024-08-19T10:04:12
Pretty much perfect for what it is. The only thing I'd like to see different is having a lock to keep the aperture ring in 'A' or not, it can get bumped.
THOMAS R.
2021-10-27T15:39:24
This lens is sharp starting wide open and going through the aperture range. I use it on a Sony A7R II. It also reproduces colors very accurately. Autofocus is quiet and quick. The build quality is exemplary, having an all-metal barrel and hood. It is also compact and lightweight.
OMELYAN P.
2021-10-19T09:17:44
This lens is truly outstanding. It's small and light weight. The image quality is very sharp all the way through the apretures. The color rendition is very accurate. The bokeh is very pleasing when shot wide open.
Darryl L.
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Browse our FAQ
Leica L-Mount Camera
90mm
11 elements in 10 groups, with 5 SLD and 1 aspherical lens elements
Full Frame
27.0 Degree
STM
9 rounded
F22
19.7" (50cm)
'1:5
55mm
L-Mount: 2.5 x 2.35" (64 x 59.7mm)
10.4 oz (295g)
192223194502, 024066068088, 024066067944, 840014139958, 085126261696
For any questions about compatibility with this product, call us at 800-223-2500 or you can email us any time.
Perfect lens?
By OMELYAN P.
This lens is sharp starting wide open and going through the aperture range. I use it on a Sony A7R II. It also reproduces colors very accurately. Autofocus is quiet and quick. The build quality is exemplary, having an all-metal barrel and hood. It is also compact and lightweight.
Really nice 90mm
By THOMAS R.
Pretty much perfect for what it is. The only thing I'd like to see different is having a lock to keep the aperture ring in 'A' or not, it can get bumped.
With the rise of mirrorless cameras, the need for compact, high-performance, and high-quality lenses has never been greater. SIGMA answers this demand with the "I" series of full-frame mirrorless exclusive lenses, including the 90mm F2.8 DG DN | Contemporary lens. Designed specifically for L-Mount and Sony E mount, the DG signifies full-frame sensor coverage, while DN denotes a mirrorless-exclusive design.
The I Series lenses are a new breed of Premium, Compact Primes that combine stylish aesthetics with impressive specifications and superior optical performance. The 90mm F2.8 DG DN | Contemporary lens, with its versatile mid-telephoto focal length, is the longest I series lens to date. Despite its reach, it remains remarkably compact and lightweight, making it an ideal choice for everyday use.
Leveraging the camera's optical correction functionality, a unique advantage of mirrorless systems, SIGMA's optical designers focused on correcting aberrations that can only be addressed by the optical design. This approach not only enhances rendering performance but also reduces the size and weight of the lens.
With a minimum focusing distance of 50cm and a maximum magnification ratio of 1:5, the lens enables close-up macro-style photography. It accentuates the subject, allowing photographers to capture fine details or create more abstract compositions.
The 90mm F2.8 DG DN | Contemporary lens shares the same 64mm maximum diameter and 55mm filter size as the 24mm F3.5 DG DN | Contemporary and the 45mm F2.8 DG DN | Contemporary. This similarity makes them a perfect trio, especially for filmmakers who frequently use filters.
All I Series lenses boast an all-metal body, high-precision metal internal parts, and a metal hood for robustness and durability. They also feature a manual aperture ring and knurled surfaces for a satisfying tactile experience. An optional magnetic cap holder (CH-11) with a mini-carabiner is available for easy attachment to a camera bag, jacket, or belt loop. Its donut-style center hole makes it easy to remove a cap when it's time to place it back on the lens.
https://www.sigmaphoto.com/register
800-896-6858
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