
The RF800mm F11 IS STM super-telephoto lens provides a long 800 millimeter focal length and is the first compact and lightweight 800mm super telephoto lens in the RF lineup. This lens is ideal for bird, wildlife, outdoor sports, and aviation photography or, when you just want to bring those subjects in the distance closer to you. The RF800mm F11 IS STM lens features an STM focusing system ideal for fast and quiet focusing when tracking elusive subjects out in nature. Additionally, an optical image stabilization system with up to 4 stops of shake correction makes it easy to use either hand-held or with a monopod. It will also accept an RF 1.4X or 2.0X teleconverter^ to increase your focal length to a staggering 1120mm or 1600mm respectively.
A: This is not easy to answer. Range is not a way to compare lenses as it is the field of view that gives the perception of magnification. Any 800mm lens on a full frame camera has a field of view of about 2.58 x 1.72 degrees. At 30 feet away, an area of 1 ft 4 in x 10 in will fill the frame, say a squirrel will fill the frame. At 240,000 miles away, an area of about 10,000 x 7,000 miles will fill the frame, say the moon fills most of the frame. Photographers will sometimes refer to the narrowing field of view as the reach of the lens, or how well it makes distant things look bigger. The more expensive lens can provide a better image of a small part of the frame, but will not change what fills the frame. This 800mm has a great reach for the buck, but would be better for wildlife mostly at rest. Birds in flight, with this narrow field of view, make it difficult to track and focus.
Q: Does the Canon RF 800mm f/11 IS STM Lens work with EOS R?
A: Actually works quite well. I use it on my Canon EOS R, R6 and R5. I noticed the autofocus speed is faster on the R5/6 but for the R it is still fantastic. I would recommend this for the R3, R5, R6 and R. Definitely worth the purchase
Q: Compatible with R6? Good for shooting daytime wild life?
A: Yes. The EOS R6 uses the RF lens mount that this lens has. I haven't done much in wildlife photography. I can use 1/200 to 1/300 shutter with 400-800 iso for the most part in daytime for what I shoot. It is very good for reasonably still wildlife shots like deer, heron and perched birds. I'm not very skilled in tracking birds in flight, which I imagine a faster shutter would be desired. Would it be good for your purpose? The RF 600mm F/4L $12,999 or the RF 100-500mm f/4.5-7.1L $2,799 would be better pro level options. But, if willing to push iso levels, the extra reach and cost savings may be just the right balance to be good.
Q: Will this work with my Canon Eos 60
A: It does not. I will only work with cameras in the RF ecosystem. (Currently EOS R, RP, Ra, R5 and R6.
Q: Does this lens auto focus or is it manual focus only?
A: Yes to autofocus. Remember this is an "RF" mount lens, not "EF". And for the money, it is a great lens.
Q: Is it compatible with EOS 4000D?
A: The RF800mm F11 lens is NOT compatible with the 4000D. The EOS 4000D uses "EF" mount lenses. The Canon RF800mm F11 lens requires AN "RF" mount. There is no adapter available at this time.
Q: Will this work with EOS 80D
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