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Canon EF 100-300 mm f/5.6 L

Manufacturer Canon
Model EF 100-300 mm f/5.6 L
Lens style Telephoto zoom
Focal length 100 - 300 mm
Maximum aperture f/5.6
Angle of view 24.4 - 8.3 o
Closest focusing distance 1.5 m
Maximum magnification 1:3.84
Minimum aperture 32
Number of diaphragm blades 8
Auto focus type AL
Lens Construction 15 elements / 10 groups
Filter diameter 58 mm
Macro No
Available mounts Canon EF
Dimensions 75 x 166.6 mm
Weight 695 g
Additional information Marketed June 1987
Average rating (1 owners reviews)
Build quality
Optical quality
Value for money


4.67 Good
Owners reviews (1)
  1. Mac
    Mac 6 November 2013, 16:59
    Build quality
    Optical quality
    Value for money


    IP 65.92.x.x
    Owner since: 1 year
    Price: $350 US
    User profile: Semipro

    Cons: Autofocus is slow and noisy. Front elements rotate, making use of rotating filters (polarizers, etc) as well as changing filters cumbersome. Unit is not weather-sealed, and the two fluorite elements don't like adverse weather. Constant 5.6 aperture means dim viewfinder image. AF hates any light except bright sunlight.

    Pros: Fantastically sharp, especially for a zoom. Does .25x (1/4 life size) as is with amazing detail and good working distance. Thin and light so it is easy to carry, balances well on both small and large cameras. Takes 58mm which are not very expensive nor bulky.

    Summary: A fairly well-known (or at least rumored) lens. High quality at an affordable price. A real gem of a lens -- just don't use it for portraits (too sharp).

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