AskMaddi
What do reviewers say about the Canon 15mm f2.8?
As of October 2026, among the 13 reviews we compiled, optical performance drew the most discussion: 52 claims, which we read as 67% positive, 14% neutral, 19% negative.
Synthesized from 13 reviewer sources for Canon 15mm f2.8. Optical performance draws the most discussion: 35 positive, 7 neutral, and 10 negative across 52 sentiment markers. The most criticism lands on coma: 19% positive, 44% neutral, 37% negative across 16 claims. AF performance splits by use case: stills sentiment runs net positive (3/5/2 across 10), while video sentiment runs net negative (2/2/4 across 8).
What are the Canon 15mm f2.8 specifications?
Focal Length Mm15 mm
Max Aperturef/2.8
specs: designation
What do reviewers praise and criticize?
Optical Performance
35 pos · 7 neu · 10 neg
“Thinking about how best to test the sharpness of this lens made my brain hurt, so I decided to shoot my usual test wall, which turned out fine.” — Christopher Frost
Build Quality
5 pos · 0 neu · 4 neg
“L it's made of decent quality Plastics and based on a metal lens mount with a nice weather sealing gasket at the rear Canon claimed the lens is quite well weather sealed overall although as usual I'm too chicken to get it wet and test it out the front glass element of the lens is Florine coated…” — Christopher Frost
Mount Compatibility
2 pos · 10 neu · 3 neg
“The lens will be available on Sony E, Nikon Z, Leica L, and Canon RF mounts and also Fujifilm G and Hasselblad X medium format mounts apparently and its price will be $699.” — Christopher Frost
Price & Value
4 pos · 6 neu · 5 neg
“more expensive black stone model being made of metal and costing £550 or $650 quite a reasonable price for this kind of full-frame lens really I'll be testing out the Blackstone model here and as you've seen it comes in some of the nicest packaging I've ever come across both lenses have the same…” — Christopher Frost
Weight & Portability
2 pos · 2 neu · 0 neg
“both the aperture control and the focus ring are very tight which i like they're sort of a little bit difficult to move it measures 100 millimeters with caps on 70 millimeters across uh 82 millimeters with caps off it weighs 502 grams with all caps off one pound two ounces about with the caps on…” — Nebula Photos
More detail — 10 additional axes
Distortion
6 pos · 3 neu · 5 neg
“But what strikes us the most, is actually the overall image look, that is pleasing despite the fisheye distortion; not really compressing the corners.” — LENS DATA
Vignetting
2 pos · 2 neu · 4 neg
Chromatic Aberration
0 pos · 3 neu · 4 neg
“in the extreme Corners we see some softness and an awful lot of blue and pink chromatic aberration to be fair that level of color fringing is quite typical for fishe lens but it's still disappointing to see stop The Lens as apture down to F4 for a lot more brightness and notably more sharpness in…” — Christopher Frost
Coma
3 pos · 7 neu · 6 neg
Bokeh
3 pos · 0 neu · 0 neg
Color Rendition
1 pos · 0 neu · 0 neg
Filter Thread
5 pos · 4 neu · 1 neg
“and the rest of the room so I personally love the fact that this lens has image stabilization in it of course you've got Auto and manual focus your closest focusing distance is92 ft or 28 M and the filter size is 82 mm inside this little darling you have nine diaphragm blades and 16 elements within…” — Vanessa Joy
Dimensions
2 pos · 3 neu · 1 neg
Handling
3 pos · 1 neu · 3 neg
AF Noise
0 pos · 2 neu · 2 neg
Which reviews is this based on? (13)
Every claim above traces to these original reviews. We don't write opinions — we synthesize theirs.
📹 Pro Reviews (13)
- Canon 8-15mm f/4 USM 'L' Fisheye lens review with samples (APS-C and full-frame) Christopher Frost
- Canon RF 15-35mm f/2.8 'L' IS USM lens review with samples Christopher Frost
- Irix 15mm f/2.4 'Blackstone' lens review with samples (Full-frame and APS-C) Christopher Frost
- Laowa 8-15mm f/2.8 Fisheye Zoom lens review (Full-frame) Christopher Frost
- Sigma 15mm f/2.8 'Fisheye' lens review with samples (Full-frame and APS-C) Christopher Frost
- Vivitar 7MM Fisheye vs Canon 15MM Fisheye Comparison On Canon 7D and 5D Mark II Daniel Hughes
- Canon 15mm Fisheye Review getthepicturetv
- Lens Data - Canon EF 15mm f/2.8 Fisheye Review LENS DATA
- Fisheye Lenses for Astrophotography - TTArtisan vs. Sigma vs. Canon vs. Opteka - SHOOTOUT Nebula Photos
- The EF 15mm 2.8 Fisheye & the Tyranny of Straight Lines Nicholas Hornbrook
- Canon EF 15mm F2.8 Fisheye Lens Review Retro Games Archive
- Canon EF 15mm Fisheye f2.8 lens. A review and thoughts from a professional photographer in 2022 Roy Riley
- 🔥 Canon RF 15-35mm f2.8 L IS USM Lens Review – Is It Worth It? 📷🔥 Vanessa Joy