| Canon EF 28mm f/2.8 Specifications | |
| Frame Coverage | 35mm |
| Lens Construction (groups) | 5 |
| Lens Construction (elements) | 5 |
| No. of Diaphragm Blades | 5 |
| Minimum Aperture | 22 |
| Closest Focusing Distance | 0.3m (11.8") |
| Maximum Magnifcation | 0.13x |
| Filter Diameter | 52mm |
| Maximum Diameter x Length | 67.4mm x 42.5mm (2.7" x 1.7") |
| Weight | 185g (6.5oz) |
Reviews
Source
SailbyAir.com
The center sharpness is very good at f4 but from looking at the not so sharp sides, I don't think I would want this lens on a full frame dSLR. The drawbacks being no USM and a relatively noisy auto focus when compared to other EF non USM lenses.
CameraHacker.com
The non-rotating front on the Canon EF 28mm f/2.8 is a real plus. When you use rotary filters--such as circular polarizer, star, graduated, etc.--you won't have to constantly adjust your fitter after every focus. However, the focus element does extend and retract, at the front of the lens. The front focus element has a 52mm filter thread, the smallest filter diameter you'll ever find on any EF lens.
PhotoZone.de
The Canon EF 28mm f/2.8 may not be the most attractive lens on the market but it is still interesting nonetheless. It is very affordable in combination with a pretty impressive optical performance (except CAs) and quite decent mechanics. However, it faces pretty stiff competition from the Sigma AF 30mm f/1.4 EX DC HSM which is a little better in the center but worse at the borders.
The-Digital-Picture.com
Canon's other current 28mm prime, the Canon EF 28mm f/1.8 USM Lens, also proved noticeably sharper than the Canon EF 28mm f/2.8 Lens - even with both lenses wide open. I regard the Canon EF 28mm f/1.8 USM Lens as a better lens in most categories - but the better performance is not lost on the price.
