Canon EF 300mm f/4L IS USM Lens

BH #CA3004LISEF • MFR #2530A004
Canon EF 300mm f/4L IS USM Lens
Key Features
  • EF-Mount Lens/Full-Frame Format
  • Aperture Range: f/4 to f/32
  • Two Ultra-Low Dispersion Elements
  • Super Spectra Coating
Blending a versatile telephoto focal length with a modest form factor, the EF 300mm f/4L IS USM is a long-reaching prime and member of Canon's elite L-series of optics. Two ultra-low dispersion elements are used to significantly reduce color fringing and chromatic aberrations in order to achieve a high degree of clarity, and a Super Spectra coating has also been applied to maintain contrast and color fidelity when working in difficult lighting conditions. Complementing the imaging attributes, this 300mm f/4 also features an Image Stabilizer to minimize the appearance of camera shake by two stops for sharper handheld shooting. The ring-type USM is employed, too, to deliver quick and quiet autofocus performance along with full-time manual focus control. Additionally, a removable rotating tripod collar is included for stable use of the lens atop a tripod or monopod.
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Canon EF 300mm f/4L IS USM Overview

Blending a versatile telephoto focal length with a modest form factor, the EF 300mm f/4L IS USM is a long-reaching prime and member of Canon's elite L-series of optics. Two ultra-low dispersion elements are used to significantly reduce color fringing and chromatic aberrations in order to achieve a high degree of clarity, and a Super Spectra coating has also been applied to maintain contrast and color fidelity when working in difficult lighting conditions. Complementing the imaging attributes, this 300mm f/4 also features an Image Stabilizer to minimize the appearance of camera shake by two stops for sharper handheld shooting. The ring-type USM is employed, too, to deliver quick and quiet autofocus performance along with full-time manual focus control. Additionally, a removable rotating tripod collar is included for stable use of the lens atop a tripod or monopod.

Telephoto prime 300mm f/4 lens is compatible with full-frame Canon EF-mount DSLRs as well as APS-C models where it will provide a 480mm equivalent focal length.
Two ultra-low dispersion (UD) elements greatly reduce chromatic aberrations and color fringing for improved clarity and color accuracy.
Super Spectra coating has been applied to individual elements to minimize ghosting and flare for greater contrast and color neutrality when working in strong lighting conditions.
An Optical Image Stabilizer helps to minimize the appearance of camera shake by up to two shutter speed stops to better enable working in low-light conditions and with slower shutter speeds. In addition to the single-shot standard IS mode, a second mode is also available that it optimized for panning.
A ring-type Ultrasonic Motor (USM), along with a rear focusing system, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.
Rounded eight-blade diaphragm contribute to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.
Built-in lens hood prevents stray light from causing ghosting or flare and also protects the front element from accidental impacts or scratching.
As a member of the esteemed L-series, this lens is sealed against dust and moisture for working in inclement environmental conditions.
Removable rotating tripod collar is included and benefits working with the lens atop a tripod or monopod.
Compatible with optional EF 1.4X and EF 2X teleconverters.
UPC: 082966213380

Canon EF 300mm f/4L IS USM Specs

Focal Length300mm
Maximum Aperturef/4
Minimum Aperturef/32
Lens MountCanon EF
Format CompatibilityFull-Frame
Angle of View8° 15'
Minimum Focus Distance4.92' / 1.5 m
Close-Up Magnification0.24x
Optical Design15 Elements in 11 Groups
Diaphragm Blades8, Rounded
Focus TypeAutofocus
Image StabilizationYes
Tripod CollarRemovable and Rotating
Filter Size77 mm (Front)
Dimensions (ø x L)3.54 x 8.7" / 90 x 221 mm
Weight2.62 lb / 1190 g
Packaging Info
Package Weight3.8 lb
Box Dimensions (LxWxH)12.45 x 6 x 6"
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question

Is the tripod mount supplied with the lens
Asked by: Anonymous
Yes, the tripod mount ring is included with the Canon EF 300mm f/4L lens.
Answered by: Heather S.
Date published: 2018-08-27

question

I am interested in getting this lens for use on a Sony A7-II, as there is no E-mount equivalent. Does anyone have experience using this with a Metabones or Sigma MC-11 adapter? Does autofocus work with either of those on a Sony?
Asked by: Steven
With regards to the MC-11, I can confirm that it will work with my copy paired with both an a6000 and an a6500. AF acquisition is faster with more light but not so bad even indoors with home lighting. AF accuracy is very good when using single AF. I don't normally shoot in continuous AF.
Answered by: Philip Evgeny
Date published: 2020-05-25

question

Do you find you are able to shoot out in the field without a tripod? (300mm f/4.0 IS USM lens) on a 60D (sometimes with extender 1.4x II or III) This is my wildlife/birding setup.
Asked by: Sandra F.
Yes if the light is right.. Gotta keep the shutter speed up to get the most keepers. I just got back from a backpacking trip in Glacier NP Montana. I got some real good shots of Big Horn Sheep and Mountain Goats with it. I do like this lens.
Answered by: JOHN J.
Date published: 2018-08-27

question

Will this lens fit a Canon EOS Rebel T5i? Thanks
Asked by: Anonymous
The Canon EF 300mm f/4 is fully compatible with the T5i, yes.
Answered by: Christina S.
Date published: 2018-08-27

question

...and while displaying my novice; can I inquire if this specific lens is compatible with the t4i?
Asked by: Anonymous
Yes. This lens will work on the T4i. It will look like the equivalent of 450mm, due to the APS-C crop sensor, which carries a 1.5x conversion factor. All EF and EF-S lenses will work on this type of sensor.
Answered by: Chris L.
Date published: 2018-08-27

Has anyone tried this lens paired with the Canon ...

Has anyone tried this lens paired with the Canon 5DS?
Asked by: Matthew
It works very well on the 5DS.
Answered by: Rob
Date published: 2020-08-17

What is the size of the lens hood of the 300 mm ...

What is the size of the lens hood of the 300 mm f/4L IS USM? Getting a Bahtinov mask for this lens but not sure how big I need.
Asked by: Philip Evgeny
It is approximately 3.50".
Answered by: Rob
Date published: 2020-05-28

question

What is the difference in image quality and functional automatic focus between the Extender 1.4x II and 1.4x III?(This is with a 300 mm f/4 IS L series lens on a 60D body.)
Asked by: Sandra F.
I have a 50D Canon Camera and the 1.4 III Extender. When used with the 300 mm lens I have no problem with the auto focus and there is minor image quality deterioration. You lose one stop on your aperture. It really is a great combination.
Answered by: JERRY C.
Date published: 2018-08-27
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