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Canon EF 300mm f/4L IS USM

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Canon EF 300mm f/4L IS USM
Canon EF 300mm f/4L IS USM
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  • Two UD lens elements
  • Super Spectra coatings
  • Up to 2-stops Image Stabilizer (IS) technology
  • Resistant to dust and moisture
  • 8 aperture blades
  • Metal mount
Canon EF 300mm f/4L IS USM
Canon EF 300mm f/4L IS USM
MTF Charts: 
Canon EF 300mm f/4L IS USM

Overview

Description by Canon:

The EF 300mm f/4L IS USM offers portability and image quality. The lens features UD lens elements to improve optical performance and Image Stabilisation technology to reduce blur from camera movement.

  • L-series construction and optics
  • Two UD lens elements
  • Fast, quiet USM autofocus
  • Super Spectra coatings
  • Circular aperture for excellent background bokeh
  • 77mm filter size

A portable, lightweight telephoto lens for photographers on the move.

High quality, stabilized telephoto lens
The EF 300mm f/4L IS USM is a compact telephoto lens featuring an Image Stabilizer that compensates for camera shake, allowing shutter speeds two stops slower than normal to be used without blur. Stabilization can be turned off in one direction to allow for panning.

L-series quality
The L-series is Canon's flagship professional lens range, representing the best in precision-designed EF optics. L-series lenses combine superior performance with superlative handling, and are resistant to dust and moisture.

Ultrasonic focusing
A ring-type ultrasonic motor drives autofocus extremely quickly, and in near silence. Excellent holding torque ensures the point of focus is reached accurately, without overshooting. Furthermore, full-time manual override is available, making it possible to adjust focus without leaving AF mode.

 

Super Spectra coating
Super Spectra coatings ensure accurate colour balance and enhance contrast. They also reduce flare and ghosting – a common problem caused by light bouncing off a camera's sensor.

Integration with E-TTL II flash metering
The lens passes distance information back to a compatible EOS camera's E-TTL II flash system to ensure optimal flash metering.

Reviews

"Due to the lack of an IS correction group the optical design is totally different with significantly less lens elements - just 8 elements in 7 groups including 2 UD elements. The aperture mechanism features 8 aperture blades. The min. focus distance is a little disappointing at 2.5m with a max. object magnification

Post date: 08/02/2012 - 18:23

"With Canon's Ring USM (Ultrasonic Motor), the 300 f/4 IS focuses accurately very fast. I find focus accuracy to be very good - especially when shooting sports in AI Servo mode. While the AF motor is quiet, expect a mild clunking sound at each AF movement start and stop. FTM (Full Time Manual) focusing is enabled. 

Post date: 01/02/2012 - 21:39

"The Canon EF 300mm f/4 USM L IS is a member of Canon's prestigious L-class (Luxury) series. It is, of course, far from being a cheap lens in absolute terms but still much more affordable than its f/2.8 cousin and as such a quite interesting option for those mortals interested in e.g. sports- or wildlife-photography. A couple of years ago we tested the lens on an APS-C DSLR but now that full

Post date: 27/04/2011 - 00:00

"As a ‘white’ L class lens this Canon offering is built to last. The metal bodied barrel is of the ‘drainpipe’ type, being almost constant in diameter throughout its length. The slightly narrower collar just in front of the mount allows finger room next to the camera’s grip and on the opposite side carries the two switches for AF/MF and focus limiter that allows 3m to infinity and the full scope of 1.5m to infinity. Next

Post date: 28/04/2009 - 00:00

Specifications

DXO Mark Score
Resolution: 
13.0 P-Mpix
Transmission: 
4.6 TStop
Distortion: 
0.20%
Vignetting: 
-0.8 EV
Chr. aberration: 
6.00µm
Specifications
Lens type: 
Fixed Focal Length
Lens Mount: 
Canon EF mount
Canon EFS mount
AF Motor type: 
USM
Optical characteristics
Focal Length: 
300mm
Internal zooming: 
No
Angle of view: 
8.25°
Zoom Ratio: 
1.0x
Max Magnification: 
0.1x
Lens construction: 
8 Elements in 7 Groups (2 UD lens elements)
Diaphragm Blades: 
8 aperture blades
Maximum Aperture: 
f/4.0
Minimum Aperture: 
f/32.0
Aperture ring: 
No
Internal Focusing: 
Yes
Front lens element rotating: 
No
Minimum Focusing Distance: 
2.50m
Distance Scale: 
Yes
Full-Time manual focus: 
Yes
Auto Focus / Manual Focus switch: 
Yes
Stabilization system details: 
Up to 2-stops Image Stabilizer (IS) technology
Physical characteristics
Diameter: 
90.0mm
Length: 
213.0mm
Body material: 
Metal
Weather sealing details: 
Dust and moisture resistant
Filter Diameter: 
77mm
Lens Hood included: 
Yes

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A notice Our vast database is currently being re-constructed. Estimated finishing date is sometime in June/July 2012. Bookmark us and check back again for the grand opening of the ultimate Lens database. The Estiasis.com team

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