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This EF 40mm f/2.8 STM Lens from Canon is a welcome addition to Canon's line-up of EF lenses--a light, inconspicuous "normal" lens. At a featherweight 4.6 oz, this is one of the lightest lenses in the EF family. It's less than one inch long, so it will never draw unwelcome attention to you when you're shooting in public.
A bright f/2.8 maximum aperture allows you to shoot under pretty much any lighting conditions, and the sophisticated lens configuration, including one aspherical element, guarantees high image quality from the center to the edge of the frame. The optimized coatings used in constructing the lens greatly reduce ghosting and flare, and deliver superb color balance.
Canon EF 40mm F/2.8 STM Specs
| Focal Length | 40mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Lens Mount | Canon EF |
| Format Compatibility | Full-Frame |
| Angle of View | 57° |
| Minimum Focus Distance | 11.81" / 30 cm |
| Maximum Magnification | 0.18x |
| Optical Design | 6 Elements in 4 Groups |
| Diaphragm Blades | 7, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | None |
| Filter Size | 52 mm (Front) |
| Dimensions (ø x L) | 2.69 x 0.9" / 68.2 x 22.8 mm |
| Weight | 4.59 oz / 130 g |
Packaging Info
| Package Weight | 0.51 lb |
| Box Dimensions (LxWxH) | 4.7 x 4.45 x 4.35" |
