CANON EF40mm f/2.8 STM Lens

  • Filter size : 52mm
  • Max aperture : f/2.8
  • With STM motor
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Description

EF40mm f/2.8 STM

The EF40mm f/2.8 STM comes in an ultra-compact and lightweight design, with a diameter of 68.2mm, a thickness of 22.8mm and weighing 130g making it the slimmest and lightest EF lens produced. A fast f/2.8 aperture, 7-blade circular aperture and aspherical lens elements let the lens achieve a high level of image quality from centre to corner.

  • Focal length and maximum aperture : 40 mm 1:2.8
  • Lens construction : 6 elements in 4 groups
  • Diagonal angle of view : 57° 30’
  • Focus adjustment : STM (Gear type), overall linear extension system, full-time manual focus
  • Closest focusing distance : 0.3 m/ 1.0 ft., 0.18 x magnification
  • Filter size : 52 mm
  • Max. diameter x length, weight : ø 68.2 x 22.8 mm, 130 g/ 2.7” x 0.9”, 4.6 oz.

 

SPECIFICATIONS

Angle of View (Diagonal) 57°30’
Angle of View (Horizontal) 49°20’
Angle of View (Vertical) 34°
Closest Focusing Distance (m, ft) 0.3/0.98
Construction (groups elements) 4-6
Diameter x Length (mm) (Max.) 68.2 x 22.8
Distance Scale o
Drive System Stepping Motor-gear drive
Filter Size (mm) 52
Max. Magnification (x) 0.18
Min. Aperture 22
No. of Diaphragm Blades 7
Anti-dust and Moisture Not Supported
Weight (g) (Approx.) 130
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Brand

Canon