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Canon EF 70-300mm f/4-5.6 IS USM
78 PixelMeter Score 7 reviews

Pros Pros
  • Strong optical performance with high resolution, effective control of aberrations, and minimal distortion
  • Highly effective image stabilization for handheld shooting
  • Improved autofocus speed and accuracy compared to predecessors
  • Solid build quality with smooth zoom operation
  • Versatile compatibility with both full-frame and crop-sensor camera bodies
Cons Cons
  • Soft image quality and reduced performance at the 300mm end
  • Inconsistent or slow autofocus performance
  • Mechanical design issues including rotating front elements and lack of full-time manual focus
  • Limited light-gathering capability due to variable aperture
  • Susceptibility to lens flare and contrast loss when shooting against bright light

Launch price Launch price $549
Focal length & aperture Focal length & aperture 70-300mm f/4-5.6
Mount & coverage Mount & coverage Canon EF · Full-Frame
Stabilization Stabilization Optical IS
Close focus Close focus 1.5 m (0.26x)
Filter thread Filter thread 58mm
Autofocus motor Autofocus motor Micro-type ultrasonic
Weight & size Weight & size 630g (1 lb 6.2 oz) · 76.5 x 142.8 mm (3.01 x 5.62 in)

Announcement date Announcement date August 22, 2005
Launch MSRP Launch MSRP $549
Lens mount Lens mount Canon EF
Image circle coverage Image circle coverage Full-Frame
Lens type Lens type Zoom
Lens line / series Lens line / series EF

Elements Elements 15
Groups Groups 10

Focal length (wide) Focal length (wide) 70mm
Focal length (tele) Focal length (tele) 300mm
Max aperture (wide) Max aperture (wide) f/4
Max aperture (tele) Max aperture (tele) f/5.6
Minimum aperture Minimum aperture f/32–45
Diaphragm blades Diaphragm blades 8

Diagonal angle of view Diagonal angle of view 34° - 8°

Autofocus motor Autofocus motor Micro-type ultrasonic
Minimum focus distance Minimum focus distance 1.5 m
Maximum magnification Maximum magnification 0.26x

Optical stabilization (OIS) Optical stabilization (OIS) Yes

AF/MF switch AF/MF switch Yes

Weight Weight 630g (1 lb 6.2 oz)
Maximum diameter Maximum diameter 76.5mm (3.01 in)
Length Length 142.8mm (5.62 in)
Filter thread Filter thread 58mm
Weather sealing Weather sealing None
Internal zoom Internal zoom No
Tripod collar Tripod collar Not supported