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Optical design
| Format: 35mm SLR
Type: Prime lens
Focusing: Auto Focus (AF)
Lens mounts: Canon EF, EF-S, Canon EF, EF-S
First year of production: 2012
Optical design: 6 elements in 4 groups
| | Specifications:
Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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40mm | f/2.8 | f/22 | 7 | 0.30 | 52 | 130/4,6 | 27/1,1 |
| Additional information:
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Max. magnification: 0,18
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Super Spectra Coating
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Internal Focusing
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FTM mode
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Electromagnetic diaphragm
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Diameter: 68mm
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No distance scale
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Preorder price: $200
The Canon EF 40mm F/2.8 STM is a super compact prime standard lens for 35mm SLR cameras with new type motor for fast and quiet continuous focusing (requires compatible camera with a hybrid auto focus). It is first 'pancake' for Canon EF mount.
PDF Files: Posted by: dv Date of publication: 09.06.2012
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