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Canon EF 40mm f/2.8 STM Lens

(4.8)  
  • EF-Mount Lens/Full-Frame Format
  • Aperture Range: f/2.8 to f/22
  • One Aspherical Element
  • Super Spectra Coating
  • STM Stepping Motor for Smooth, Silent AF
  • Rounded 7-Blade Diaphragm
Lease to Own at
$11 /week or less
Availability: In stock
SKU
6310B002

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.

STM functionality provides quiet, smooth and continuous autofocus during video operation (continuous video autofocus only when used with the Canon EOS 70D, Rebel T4i and T5i). The circular aperture formed by 7 diaphragm blades combined with the wide aperture can give you beautiful bokeh--the out-of-focus background areas of your images. This 40mm lens will give you a view equivalent to 64mm when used on a camera with an APS-C sensor, and is able to focus as close as 11.81".

Newly developed STM technology for smooth and quiet continuous AF while shooting video (continuous video autofocus only supported with EOS 70D, Rebel T4i and T5i cameras).
Lightweight and unobtrusive 4.6 oz lens is less than one inch long.
Bright f/2.8 aperture is effective in low light situations and provides shallow depth of field focus control.
High image quality from the center to the periphery thanks to its advanced lens configuration including one aspherical element.
Optimized coatings that minimize ghosting and flare while providing exceptional color balance
A circular 7-blade aperture for beautiful soft-focus backgrounds
Short minimum focusing distance of only 11.81"
Mounted on a camera with an APS-C sensor, this lens offers a view similar to a 64mm lens in the 35mm format.
Performance
Focal Length 40mm
Comparable APS-C Focal Length: 64 mm
Aperture Maximum: f/2.8
Minimum: f/22
Camera Mount Type Canon EF
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Canon (APS-C)
Angle of View 57° 30'
Tilt/Shift None
Minimum Focus Distance 11.81" (30.00 cm)
Magnification 0.18x
Elements/Groups 6/4
Diaphragm Blades 7
Features
Image Stabilization No
Autofocus Yes
Tripod Collar No
Physical
Filter Thread Front:52 mm
Dimensions (DxL) Approx. 2.7 x 0.9" (6.86 x 2.29 cm)
Weight 4.6 oz (130 g)
Packaging Info
Package Weight 0.6 lb
Box Dimensions (LxWxH) 4.6 x 4.4 x 4.3"
More Information
Specification
Focal Length40mm
Maximum Aperturef/2.8
Minimum Aperturef/22
Lens MountCanon EF
Format CompatibilityFull-Frame
Angle of View57°
Maximum Magnification0.18x
Minimum Focus Distance11.81" / 30 cm
Optical Design6 Elements in 4 Groups
Diaphragm Blades7, Rounded
Focus TypeAutofocus
Image StabilizationNone
Filter Size52 mm (Front)
Dimensions (ø x L)2.7 x 0.9" / 68.2 x 22.8 mm
Weight4.6 oz / 130 g
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