Canon 300mm f4.0L IS USM is a Fixed aperture Auto Focus (AF)
Telephoto Prime lens with Optical Image stabilization and 35mm FF max sensor coverage, and it is designed to be used with
EF Mount cameras.
What type of photography is the Canon 300mm f4.0L IS USM lens good for?
The type of photography that you are planning to use the Canon 300mm f4.0L IS USM is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Canon 300mm f4.0L IS USM is a member of Canon's EF L series of lenses. Below you can see the latest lenses in this series.
EF L Series Lenses in Canon EF Mount
Reasons to Buy Canon EF 300mm f4.0L IS USM Lens
Here we've included a summary of the advantages and disadvantages of the Canon EF 300mm f4.0L IS USM lens in a list form to help you determine whether it offers the features you need.
| Optical Image Stabilization |
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Compatible with Canon Teleconverters |
| Hood supplied |
| Tripod Collar |
| Full-time Manual Focusing |
| Covers Full-Frame Sensor |
| 8 Diaphragm Blades for Smooth Bokeh |
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Lens Mount
Canon 300mm f4.0L IS USM is compatible with cameras that have a Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
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Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Canon 300mm f4.0L IS USM has a maximum diameter of 90mm and total length of 221mm. It weighs 1190g / 42.0 oz.
Canon 300mm f4.0L IS USM has a filter thread of 77mm. Below are links to the filters that we recommend you to consider for your Canon 300mm f4.0L IS USM:
Focal Range
Canon 300mm f4.0L IS USM has a fixed focal length of 300mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 480mm.
Teleconverter Compatibility
Canon 300mm f4.0L IS USM is compatible with the Teleconverters below. With the use of these TC/extenders, you can find how the total focal reach and effective aperture of your Canon 300mm f4.0L IS USM changes below:
Canon 300mm f4.0L IS USM Focal Range and Aperture Change with Teleconverter
Optical Image Stabilization
The Canon 300mm f4.0L IS USM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Tripod Collar
With a total length of 221mm and a weight of 1190g, the Canon 300mm f4.0L IS USM is a large lens. Fortunately, it comes with a tripod collar which you can use to attach the lens directly to a tripod or monopod instead of attaching the camera. This connection helps to better balance the lens/kit combination.
Maximum Magnification Ratio
Canon 300mm f4.0L IS USM has a Max Magnification Ratio of 0.24x and has a minimum focusing distance of 1.5m.
Below are the 3 Telephoto Prime type Canon12 mount lens alternatives with highest max magnification ratios:
Aperture
Canon 300mm f4.0L IS USM has a max aperture of F4.0 and a minimum aperture of F32.0.
Optical Formula
Canon 300mm f4.0L IS USM's optical formula consists of 15 elements in 11 groups .
Lens Hood
Canon 300mm f4.0L IS USM comes with a built-in lens hood which is handy to reduce lens flare and glare in your photos.
Body Colour
Canon 300mm f4.0L IS USM is available in White color.
Popular Comparisons of Canon 300mm f4.0L IS USM
Here are the eight most popular comparisons of the Canon 300mm f4.0L IS USM amongst Camera Decision readers.
Top Alternatives of Canon 300mm f4.0L IS USM Lens
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