Canon RF 100-300mm f2.8 is a Fixed aperture Auto Focus (AF)
Super Telephoto Zoom lens with Optical Image stabilization and 35mm FF max sensor coverage, and it is designed to be used with
RF Mount cameras .
What type of photography is the Canon RF 100-300mm f2.8 lens good for?
The choice of photography type for which you intend to use the Canon RF 100-300mm f2.8 is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Canon RF 100-300mm f2.8 is a member of Canon's RF L series of lenses. Below you can see the latest lenses in this series.
Canon RF L Series Lenses in Canon RF Mount
Reasons to Buy the Canon RF 100-300mm f2.8 L IS USM Lens
Here we've included a summary of the advantages and disadvantages of the Canon RF 100-300mm f2.8 L IS USM lens in a list form to assist you in determining whether it offers the features you need.
Optical Image Stabilization (up to 5.5 stops)
Weather-sealed
Autofocus
AF/MF Switch on Lens
Mode Switch on Lens
Focus Range Limiter
Focus Hold Button
Programmable Control Ring
Breathing Correction with Supported Cameras
Compatible with Canon Teleconverters
Hood supplied
Tripod Collar
Full-time Manual Focusing
Focus Distance Limiter
Internal Focusing
Fast Aperture at Wide end
Fast Aperture at Tele end
Constant f2.8 aperture throughout the range
Covers Full-Frame Sensor
9 Diaphragm Blades for Smooth Bokeh
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Lens Mount
Canon RF 100-300mm f2.8 is compatible with cameras that have a Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V , Canon R6 III and Canon C50 .
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Canon RF 100-300mm f2.8 has a maximum diameter of 128mm and a total length of 323mm . It weighs 2590g / 91.4 oz .
Check the size of the Canon RF 100-300mm f2.8 when attached to RF Mount cameras :
Canon RF 100-300mm f2.8 Size with RF Mount Cameras
Canon RF 100-300mm f2.8 has a filter thread of 112mm . Below are links to the filters that we recommend you to consider for your Canon RF 100-300mm f2.8:
You can also check All Canon RF Mount Lenses with 112mm Filter Thread Size to find the matching lenses.
Focal Range
Canon RF 100-300mm f2.8 has a focal range of 100-300mm and 3.0X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 160 - 480mm .
Teleconverter Compatibility
Canon RF 100-300mm f2.8 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 RF 100-300mm f2.8 changes below:
Canon RF 100-300mm f2.8 Focal Range and Aperture Change with Teleconverter
Weather Sealings
Weather Sealings of the Canon RF 100-300mm f2.8
The Canon RF 100-300mm f2.8 is a weather-sealed lens, which provides extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have effective protection, you have to pair the Canon RF 100-300mm f2.8 with a weather-sealed camera body such as the Canon R6 V , Canon R6 III and Canon C50 .
Optical Image Stabilization
The Canon RF 100-300mm f2.8 features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting. Canon RF 100-300mm f2.8's stabilization system is effective up to 5.5 stops .
Lens Breathing Correction Compatibility
The Canon RF 100-300mm f2.8 is compatible with Canon cameras that features Breathing Compensation/Correction . This feature adjusts the size of the frame dynamically in-camera during video recording by applying a certain percentage of crop in order to minimize change in framing.
Canon cameras that has the Breathing Compensation/Correction feature are:
Tripod Collar
With a total length of 323mm and a weight of 2590g, the Canon RF 100-300mm f2.8 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.
Canon RF 100-300mm f2.8 Tripod Collar
Zoom Method
Canon RF 100-300mm f2.8 features Rotary (internal) zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compared to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Maximum Magnification Ratio
Canon RF 100-300mm f2.8 has a Max Magnification Ratio of 0.16x with a minimum focusing distance of 1.8m . 0.16x ratio is quite low, making this lens unsuitable even for modest close-up photography.
Below are the 2 Super Telephoto Zoom type Canon RF mount lens alternatives with highest max magnification ratios :
Aperture
Canon RF 100-300mm f2.8 is a fixed aperture lens with a constant max aperture of f2.8 from 100mm all the way to the 300mm .
Focal Length
Max Aperture
Min Aperture
100mm
F2.8
F22
300mm
F2.8
F22
Optical Formula
Canon RF 100-300mm f2.8's optical formula consists of 23 elements in 18 groups . The following special elements are used in this design:
1 Flourite element 4 UD elements 1Aspherical element
Optical Construction of the Canon RF 100-300mm f2.8
Lens Hood
Canon RF 100-300mm f2.8 comes with a removable cylindrical shaped lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is In the Box Canon ET-124 .
Canon RF 100-300mm f2.8 Lens Hood
Canon RF 100-300mm f2.8 Official Video
VIDEO
Recommended Accessories for the Canon RF 100-300mm f2.8
Now it is time to look at the Top Recommended Accessories for the Canon RF 100-300mm f2.8 .
Body Colour
Canon RF 100-300mm f2.8 is available in White color.
Popular Comparisons of Canon RF 100-300mm f2.8
Here are the 8 most popular comparisons of the Canon RF 100-300mm f2.8 amongst Camera Decision readers.
Top Alternatives of Canon RF 100-300mm f2.8 Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Canon RF 100-300mm f2.8 L IS USM.
Top Alternatives of Canon RF 100-300mm f2.8 in Other Lens Mounts
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