Canon L EF 17-40mm f/4L USM
Rokinon HD 8mm f/3.5 HD Fisheye 8mm
What Buyers Say
Canon L EF 17-40mm f/4L USM
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Rokinon HD 8mm f/3.5 HD Fisheye 8mm
This Rokinon 8mm f/3.5 fisheye lens is praised for its excellent value, solid build, and creative potential, especially on APS-C cameras where it delivers a full-frame diagonal fisheye effect. Users love the fun perspective it adds to landscapes, portraits, and skateboarding or astro shots, though they note it requires manual focus and aperture control. Some edge softness and chromatic aberration are mentioned, but these are correctable in post. Issues with full-frame cameras (heavy vignette) and inconsistent compatibility with certain Nikon bodies (e.g., D3500) are recurring drawbacks, and a few users reported a broken focusing ring or cheap-feeling barrel.
Pros
- Great value for money
- Solid build quality
- Fun and creative perspective
- Sharp when stopped down (f/5.6-f/8)
- Lightweight and compact
Cons
- Manual focus only
- Soft edges wide open
- Chromatic aberration at edges
- Not ideal for full-frame cameras (heavy vignette)
- Incompatible with some Nikon bodies (e.g., D3500)
Scores
Specifications
| Canon L EF 17-40mm f/4L USM | Rokinon HD 8mm f/3.5 HD Fisheye 8mm | |
|---|---|---|
| Optics | ||
| Type | zoom | fisheye |
| Focal Length Min | 17 mm | 8 mm |
| Focal Length Max | 40 mm | 8 mm |
| Elements | 12 | 10 |
| Groups | 9 | 7 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1★ | — |
| Coating | Super Spectra coating | super multi-layer coating |
| Aperture | ||
| Max Aperture | f/22 | f/22 |
| Min Aperture | f/4 | f/3.5 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7★ | 6 |
| Build | ||
| Mount | Canon EF | Canon EF |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.50 kg | 0.43 kg★ |
| Filter Thread | 77 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | USM★ | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 305 mm |
| Max Magnification | 0.24x★ | — |
Pros & Cons
Canon L EF 17-40mm f/4L USM
- Strong af (93rd percentile)93rd %ile
- Strong social proof (86th percentile)86th %ile
- Strong optical (78th percentile)
- Strong versatility (76th percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (22nd percentile)
- Below average stabilization (35th percentile)
Rokinon HD 8mm f/3.5 HD Fisheye 8mm
- Strong social proof (77th percentile)
- Strong macro (67th percentile)
- Below average bokeh (6th percentile)6th %ile
- Below average af (15th percentile)15th %ile
- Below average aperture (22nd percentile)
- Below average versatility (33rd percentile)
Pricing
Rokinon HD 8mm f/3.5 HD Fisheye 8mm offers 1.4x better value for money
Verdict
Scores 61 overall, wins 9 of 9 usage categories and 9 of 21 specs.
