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Canon EF 28mm f/1.8 USM Lens

In Stock

Item ID: 208186

Manufacture: Canon

Condition: New

Extended Warranty Coverage:

MSRP: $559.99

You Pay: $459.00

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Extenders, Converters, Close Up Accessories

Caps & Lens Holders

Lens Cleaning & Care

As you'd expect, the f/1.8 isn't as sharp wide open as the f/2.8 lens is, f/1.8 being so much larger an aperture than f/2.8 is. At f/1.8, this lens shows a lot of softness in the corners, even on a sub-frame camera. More than that though, we found that the corner sharpness varied radically with very minor shifts in focus. The corners were always soft, but as we progressed through our focus bracket, we found that the blur graph almost "rolled" across the screen, with first one side off the frame being high, decreasing, and then the other shooting up as the focal distance was progressively changed. This made the point of optimum focus very tweaky. The point that gave the best overall results left one side of the plot higher than the other. As usual though, stopping down even slightly made a big difference: Even at f/2, things were much improved, and at f/2.8, the lens was very sharp all over. - In fact, this lens is a shade sharper overall at f/2.8 than does the 28mm f/2.8 lens we tested earlier. From f/2.8 to f/8, the lens is impressively sharp, with diffraction limiting just starting to become a factor at f/11.

Name Canon EF 28mm f/1.8 USM
Image Circle 35mm
Type Wide Prime
Focal Length 28mm
APS Equivalent 45mm
Max Aperture f/1.8
Min Aperture f/22
Diaphragm Blades 7
Lens Construction 10 elements in 9 groups, including 1 aspherical element
Diagonal Angle of View(Based on image circle) 75 degrees
Focus Details Inner focusing; full-time manual focus and USM
Front Element Rotation No
Zoom System n/a
Closest Focus 0.25m / 0.8 ft.
Magnification Ratio 0.18x / 1:5.6
Filter Size 58mm

E-58U Snap-On Lens Cap
Lens Dust Cap E (Rear)