Canon EF 40mm f/2.8 STM Lens Specifications and Measurements

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SpecificationsCanon EF 40mm f/2.8 STM Lens
  Canon EF 40mm f/2.8 STM Lens
APS-C Sensor DSLRs Only? N
Lenses / Groups 6/4
Angle of View: Diagonal 57° 30'
Angle of View: Horizontal 49º
Angle of View: Vertical 34º
Aperture Range - Wide / Long f/2.8-22
Number of Aperture Blades 7
Rounded Aperture? Y
Manufacturer Specification Weight 4.6 oz
Actual Weight 4.4 oz
Lens Hood Weight
In-Use Weight 4.4 oz
Manufacturer Spec Size (DxL) 2.69 x 0.9”
Measured Size (DxL) 2.76 x 1.19”
Max Length at Full Extension 1.48”
Internal Zoom? / Extends with Zoom?
Internal Focusing? / Extends with Focusing? N / Y
Focus Extension Length 0.31”
Lens Hood Size (DxL)
Lens Length with Hood (Min / Max) 1.19 / 1.48”
Size of Rings - Zoom / Focus / 0.2”
Filter Size 52mm  UV ► CP ►
Front Element (Filter Mount) Rotates N
AF Motor Type STM
Full Time Manual Focus Y
Focus Ring Rotation 120°
Focus Limiter? / Focus Limiter Ranges N
Distance Scale? / Type N
Close Focus  
Specified Min Focus Distance 11.8”
Tested Min Focus Distance (Wide / Long) 11.3”
Maximum Magnification (MM) 0.18x
Magnification Range with 12mm Ext Tube 0.50-0.32x
Magnification Range with 25mm Ext Tube 0.88-0.70x
Tripod Ring Included? / Removable? N
Zoom Ring Lock Switch?
Lens Hood Included / Model? N / ES-52 Buy ►
Weather Sealed? / Filter Required? N
Image Stabilization? / Stops? / Tripod Sensing? N
Extender Compatible? N
Case Included? / Type? N / LP811 Buy ►
47.25" x 31.5" Subject Framing Distance 40mm = 4.50'
Year Introduced 2012
Review Canon EF 40mm f/2.8 STM Lens
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My Recommended Retailers

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B&H Photo
Beach Camera or
the Canon Store (new or refurbished)
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Rent the Canon EF 40mm f/2.8 STM Lens

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