AskMaddi
What do reviewers say about the Sigma 17 40mm f1.8?
As of October 2026, among the 18 reviews we compiled, mount compatibility drew the most discussion: 121 claims, which we read as 16% positive, 80% neutral, 4% negative.
Synthesized from 18 reviewer sources for Sigma 17 40mm f1.8. Optical performance draws the most discussion: 68 positive, 22 neutral, and 18 negative across 108 sentiment markers. The most criticism lands on chromatic aberration: 5% positive, 50% neutral, 45% negative across 22 claims. Opinion is split on vignetting (11 positive, 20 neutral, 13 negative claims).
What are the Sigma 17 40mm f1.8 specifications?
Focal Length Mm40 mm
Max Aperturef/1.8
specs: designation
What do reviewers praise and criticize?
Optical Performance
68 pos · 22 neu · 18 neg
“And now that is a clear victory in terms of sharpness for the art lens.” — Arthur R
Build Quality
15 pos · 6 neu · 0 neg
“First up, this lens is a step up in build quality over every other APS-C lens out there.” — Arthur R
Mount Compatibility
19 pos · 97 neu · 5 neg
“It'll be available on Lmount, Sony E-mount, Fujifilm Xmount, and wait for it, Canon RF mount.” — Christopher Frost
Price & Value
8 pos · 14 neu · 3 neg
“I think that's a fair price for the quality you are getting.” — Curtis Padley
Weight & Portability
7 pos · 8 neu · 4 neg
“First off, it's lightweight and small enough to be an excellent gimbal lens.” — PetaPixel
More detail — 10 additional axes
Distortion
3 pos · 11 neu · 10 neg
“Most modern lenses and cameras rely on lens compensation, which often correct for illumination, distortion, and CA.” — CVP
Vignetting
11 pos · 20 neu · 13 neg
“Here, there's a very mild reduction in sharpness and some darkening due to vignetting, but both are kept pretty well under control.” — Gordon Laing
Chromatic Aberration
1 pos · 11 neu · 10 neg
“When it comes to chromatic aberration, lateral and longitudinal, with the lateral chromatic aberration, you're not going to see much at all.” — Mark Bennett's Camera Crisis
Coma
10 pos · 25 neu · 5 neg
Bokeh
19 pos · 17 neu · 8 neg
“Now I know this is a 1.8 lens, but it acts more like a 2.8 when it comes to the background blur when you're shooting on a crop sensor body.” — Jared Polin
Color Rendition
4 pos · 4 neu · 1 neg
Filter Thread
7 pos · 15 neu · 2 neg
“And the filter thread size 67 mm, baby, which is the sweet spot for me because as a video shooter myself, I happen to own a lot of ND filters in 67 mm >> autofocus.” — Jason Vong
Dimensions
7 pos · 18 neu · 1 neg
“They especially they made the diameter of the lens smaller and there is no free lunch.” — Nebula Photos
Handling
19 pos · 8 neu · 4 neg
“Handling wise, I have to say I was out with this lens for 8 days.” — the daniel life
AF Noise
9 pos · 2 neu · 3 neg
Which reviews is this based on? (18)
Every claim above traces to these original reviews. We don't write opinions — we synthesize theirs.
📹 Pro Reviews (18)
- Sigma 17-40mm vs 18-50mm | APS-C Zoom Battle Arthur R
- The Holy Grail of APSC Lenses: Sigma 17-40mm F1.8 ART Arthur R
- Sigma 17-40mm f/1.8 DC 'Art' lens review Christopher Frost
- The MUST have APS-C Lens - Sigma 17-40mm DC ART F1.8 Review Curtis Padley
- Sigma 17-40mm f/1.8 - In-Depth Review CVP
- Walking through the features of the Sigma 17-40mm F1.8 lens DPReview TV
- Sigma 17-40mm f1.8 REVIEW : APS-C rejoice! Gordon Laing
- SIGMA 17-40 1.8 Zoom Lens Review: EXPENSIVE, But WORTH IT??? (vs 18-50 2.8) Jared Polin
- The Best Lens for Everything. Jason Vong
- The Best APS-C Lens Ever - The Sigma 17-40mm F1.8 Art Mark Bennett's Camera Crisis
- The New APS-C King? – Sigma 17-40mm f/1.8 Review Nebula Photos
- NOT PERFECT! Sigma 17-40mm f1.8 Real World Review NO limits ON
- The Sigma 17-40mm f/1.8 Art Lives Up to Its Legacy! PetaPixel
- Sigma 17-40 f/1.8 ART Lens Review for Fujifilm - Is this the only lens you need? Pete Coco Photography
- My New Video Lens! Sigma 17-40mm f1.8 | China Trip Review Raymond Setiadi
- Features - Sigma 17-40mm F1.8 DC | Art SIGMA
- The best for APS-C cameras! Sigma 17-40mm f1.8 DC the daniel life
- Sigma 17-40 f1.8 ART – Better than the Classic 18-35? Thomas Fransson