Canon RF-S 3.9mm F3.5 is a Fixed aperture Auto Focus (AF)
Ultra-Wideangle Fisheye Prime lens with APS-C / DX max sensor coverage, and it is designed to be used with
RF Mount cameras .
What type of photography is the Canon RF-S 3.9mm F3.5 lens good for?
The choice of photography type for which you intend to use the Canon RF-S 3.9mm F3.5 is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Canon RF-S 3.9mm F3.5 is a member of Canon's Dual series of lenses. Below you can see the latest lenses in this series.
Canon Dual Series Lenses in Canon RF Mount
Reasons to Buy the Canon RF-S 3.9mm F3.5 STM Dual Fisheye Lens
Here we've included a summary of the advantages and disadvantages of the Canon RF-S 3.9mm F3.5 STM Dual Fisheye lens in a list form to assist you in determining whether it offers the features you need.
0.2m / 7.9 inch
Canon RF-S 3.9mm F3.5 from Amazon B&H PHOTO
Lens Mount
Canon RF-S 3.9mm F3.5 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 R50 V , Canon R100 and Canon R50 .
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Canon RF-S 3.9mm F3.5 has a maximum diameter of 112mm and a total length of 55mm . It weighs 290g / 10.2 oz .
Canon RF-S 3.9mm F3.5 has a filter thread of 31mm . Below are links to the filters that we recommend you to consider for your Canon RF-S 3.9mm F3.5:
You can also check All Canon RF Mount Lenses with 31mm Filter Thread Size
Focal Range
Canon RF-S 3.9mm F3.5 has a fixed focal length of 3.9mm which has a 35mm equivalent focal range of 6.4mm when used on a APS-C / DX format camera.
Weather Sealings
The Canon RF-S 3.9mm F3.5 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-S 3.9mm F3.5 with a weather-sealed camera body such as the Canon R7 ,
Optical Image Stabilization
Canon RF-S 3.9mm F3.5 doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Maximum Magnification Ratio
Canon RF-S 3.9mm F3.5 has a Max Magnification Ratio of 0.03x with a minimum focusing distance of 0.2m . 0.03x ratio is quite low, making this lens unsuitable even for modest close-up photography.
Aperture
The Canon RF-S 3.9mm F3.5 STM Dual Fisheye features a maximum aperture of F3.5 and can be stopped down to a minimum aperture of F16. While a maximum aperture of F3.5 requires a bit more ambient light or a bump in ISO when shooting indoors, it keeps the physical size of the lens much smaller and easier to carry. Given the wider 4mm field of view, the background will naturally stay a bit more in focus, making it ideal for environmental portraits, street photography, or landscapes where context matters. Stopping down to F16 gives you plenty of sweep for landscapes or outdoor group shots where you need everything sharp from front to back.
Optical Formula
Canon RF-S 3.9mm F3.5's optical formula consists of 11 elements in 8 groups . Special elements used in this design is 2 UD glass elements.
Lens Hood
Canon RF-S 3.9mm F3.5 doesn't come with a lens hood.
Recommended Accessories for the Canon RF-S 3.9mm F3.5
Now it is time to look at the Top Recommended Accessories for the Canon RF-S 3.9mm F3.5 .
Body Colour
Canon RF-S 3.9mm F3.5 is available in Black color.
Canon RF-S 3.9mm F3.5 Attached to a camera
Here are the 8 most popular comparisons of the Canon RF-S 3.9mm F3.5 amongst Camera Decision readers.
Top Alternatives of Canon RF-S 3.9mm F3.5 Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Canon RF-S 3.9mm F3.5 STM Dual Fisheye.
Top Alternatives of Canon RF-S 3.9mm F3.5 in Other Lens Mounts
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