
Canon RF 800mm F5.6 L IS USM
Launch MSRP
unconfirmed- Weight
- 3,140g
- Filter
- —
- Min focus
- 2.60m
- Max mag.
- 0.34×
- Formula
- 26E / 18G
- Released
- 2022
Specification sheet
Optical construction
- 2x Fluorite
- 1x Super UD
- 1x UD
- ASC
- Fluorine Coating
- Aperture range
- f/5.6 — f/64
Physical & ergonomics
- Weight
- 3,140g
- ⌀ × length
- 163.0 × 432.0mm
- Filter
- —
- Weather sealed
- Yes
- Aperture ring
- No
Autofocus actuator
- Stabilisation
- Optical
- Teleconverter
- 1.4x · 2.0x
- AF speed score
- 9.1 / 10
Close-up performance
- Min focus distance
- 2.60m
- Max magnification
- 0.34× (1:2.9)
Optical character
Canon built the RF 800mm f/5.6 on the optical design of the RF 400mm f/2.8, adding a rear optical group to reach 800mm in a much shorter barrel than a ground-up design would need. The result is an 800mm f/5.6 that weighs 3140g, about the same as the RF 600mm f/4. Two fluorite elements and a Super UD element, plus an extra UD element in the rear group, target colour fringing, and ASC limits ghosting and flare.
Canon aims it at wildlife, birds, the moon, aircraft and water sports. Close focus is 2.6m for 0.34x magnification. IS is rated at 4.5 stops with three modes, a ring USM drives focus, and the RF 1.4x and 2x extenders give 1120mm f/8 and 1600mm f/11 with AF still active. The barrel is dust and drip resistant with a heat-shield finish, and the front element has a fluorine coating. Filters are 52mm drop-in only.
Reviewer consensus
We summarise professional reviews only after reading at least two independent ones. Not enough have been published or verified for this lens yet.
Owner sentiment
Owner feedback will appear once we have verified real-world reports for this lens.
Strengths, weaknesses & performance
Strengths
- +800mm f/5.6 at 3140g
- +2.6m close focus, 0.34x
- +4.5-stop IS with three modes
- +AF works with RF 1.4x and 2x
- +Dust and drip resistant, heat-shield finish, fluorine coating
Weaknesses
- −52mm drop-in filters only
- −Heavy at 3,140g
Six-axis rating
Ratings are published once at least two independent professional reviews have been read.
Technical specifications
| Mount | Canon RF · full frame |
|---|---|
| Focal length | 800mm |
| Category | Super-Telephoto |
| Maximum aperture | f/5.6 |
| Minimum aperture | f/64 |
| Construction | 26 elements in 18 groups |
| Special elements | 2x Fluorite · 1x Super UD · 1x UD · ASC · Fluorine Coating |
| Aperture blades | 9 |
| Focus type | Autofocus |
|---|---|
| Drive | Ring USM |
| Minimum focus | 2.60m |
| Max magnification | 0.34× |
| Stabilisation | Optical |
| Teleconverters | 1.4x, 2.0x |
| Weight | 3,140g |
|---|---|
| Diameter × length | 163.0 × 432.0mm |
| Filter thread | None |
| Weather sealing | Yes |
| Aperture ring | No |
| De-clickable aperture | No |
| Release year | 2022 |
| Launch MSRP | Unconfirmed |
Sources
Verified against the pages below. Specifications come from the manufacturer; summaries only reflect reviews and owner reports we actually read.
Specifications
- canon.com.cn/product/rf800f56lis/spec.html
- canon.com.cn/product/rf800f56lis/
- global.canon/en/c-museum/product/rf512.html
Similar focal length alternatives
- VSRF 800mm F5.6 L IS USM vs RF 800mm F11 IS STM
- VSRF 800mm F5.6 L IS USM vs RF 200-800mm F6.3-9 IS USM
- VSRF 800mm F5.6 L IS USM vs RF 600mm F11 IS STM
- Canon
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800mmF11- WT
- 1,260g
- FLT
- ⌀95mm
- MFD
- 6.00m
- MSRP
- $900
AFSTAB - Canon
RF 200-800mm F6.3-9 IS USM
200–800mmF6.3–9- WT
- 2,050g
- FLT
- ⌀95mm
- MFD
- 0.80m
- MSRP
- $1,899
AFSTABWR - Canon
RF 600mm F11 IS STM
600mmF11- WT
- 930g
- FLT
- ⌀82mm
- MFD
- 4.50m
- MSRP
- $700
AFSTAB


