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Canon EF 100-300mm f/4.5-5.6 USM

photozone
3.5/5
User Rating @ fredmiranda
7.6/10
User Rating @ slrgear
6.1/10
User Rating @ amazon
4.3/5
User Rating @ bhphotovideo
4.3/5
Canon EF 100-300mm f/4.5-5.6 USM
Canon EF 100-300mm f/4.5-5.6 USM
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  • 9 aperture blades
  • Metal mount
Canon EF 100-300mm f/4.5-5.6 USM
Canon EF 100-300mm f/4.5-5.6 USM lens construction
MTF Charts: 
Canon EF 100-300mm f/4.5-5.6 USM MTF Chart at 100mm
Canon EF 100-300mm f/4.5-5.6 USM MTF Chart @ 300mm

Overview

Description by Canon:

Highly practical and portable telephoto zoom lens. The five zoom groups make the length only 4.8 in. (121.5mm). With rear focusing, the lens does not change length or rotate during focusing. Any filter effects therefore remain intact. It also makes autofocusing quick and quiet.

Reviews

"The 100-300mm shows its best performance with regard to sharpness at the wider end of its focal range; as you zoom in towards 300mm, we are seeing an increase in both corner and overall image softness. The lens achieves its best performance when stopped down to ƒ/8; at 100mm and 135mm, the lens is

Post date: 23/07/2010 - 00:00

Specifications

DXO Mark Score
Resolution: 
9.0 P-Mpix
Transmission: 
5.8 TStop
Distortion: 
-1.00%
Vignetting: 
0.6 EV
Chr. aberration: 
8.00µm
Specifications
Lens type: 
Zoom
Lens Mount: 
Canon EF mount
Canon EFS mount
AF Motor type: 
USM
Optical characteristics
Focal Length: 
100 - 300mm
Internal zooming: 
No
Angle of view: 
24.18° - 8.25°
Zoom Ratio: 
3.0x
Max Magnification: 
0.2x
Lens construction: 
13 elements in 10 goups
Diaphragm Blades: 
8 aperture blades
Maximum Aperture: 
f/4.5 - 5.6
Minimum Aperture: 
f/32.0 - 38.0
Aperture ring: 
No
Front lens element rotating: 
No
Minimum Focusing Distance: 
1.50m
Distance Scale: 
Yes
Full-Time manual focus: 
Yes
Auto Focus / Manual Focus switch: 
Yes
Physical characteristics
Diameter: 
73.0mm
Length: 
121.0mm
Body material: 
Plastic with metal mount
Filter Diameter: 
58 mm
Lens Hood included: 
No

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