This lens has a focal length of 40mm and an aperture of 1:2.8 (f/2.8). This is Canon’s first pancake lens for its EF lens lineup. It is almost half as short as Canon’s smallest previous lens, the “nifty-fifty” 50mm f/1.8. In addition to the size, the 40mm pancake weighs in at only 130g. This is about 323g less than the 50mm 1.8.
*Please note this article is under construction. We are in the process of completing our review and we will have it available as soon as possible!*
The Canon 40mm pancake lens is quite an interesting lens. It is tiny, lightweight has a speedy STM autofocus motor, a decently wide aperture and best of all costs only a cool $199.
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Focal Length: 40mm
Maximum Aperture: f/ 2.8
Lens Construction: 6 elements in 4 groups (see below)
Closest Focusing Distance: 0.98 feets (0.3 meters)
Size: 2.7 x 0.9 in (68.2 x 22.8 mm)
Weight 4.6 oz (130g)Focus Adjustment: Inner Focusing SystemFilter Size: 52mm
Lens Hood: ES-52
Diagonal Angle of View: 57 degrees 30′
Lens Elements and MTF Chart