Canon RF 800mm f/5.6 L IS USM
The RF 800mm f/5.6 L IS USM is a high-performance RF luxury L-series prime lens engineered for Canon EOS R system mirrorless cameras. Features USM autofocus, optical image stabilization, and premium optical coatings.
Whether you're a seasoned professional or an enthusiast stepping up, the Canon RF 800mm f/5.6 L IS USM offers a compelling balance of performance and utility. Offering impressive telephoto reach, it is uniquely positioned for distant subjects.
Optically, it punches well above its weight, ensuring that your creative vision is never limited by your gear. Driven by Canon's proven USM motor, autofocus is swift and decisive. Its built-in optical image stabilization (4.5 stops standalone optical stabilization) effectively mitigates camera shake, ensuring sharper handheld shots. As part of Canon's prestigious L-series, it features rugged, weather-sealed construction built to withstand the rigors of professional daily use. Specialized UD (Ultra-Low Dispersion) glass elements are employed, delivering edge-to-edge contrast and color accuracy.
Optically flawless and built to last, the RF 800mm f/5.6 L IS USM is everything a professional expects from a flagship prime. It is an ideal companion to a 24-70mm standard zoom.
✅ Strengths
- Professional L-series weather-sealed construction with dust and moisture resistance
- Optical image stabilization (4.5 stops standalone optical stabilization)
- Customizable Control Ring for aperture, ISO, or exposure compensation
⚠️ Considerations
- Substantial weight (3,140 g (111 oz)) may require monopod or tripod support
Full Technical Specifications
| Lens Model | Canon RF 800mm f/5.6 L IS USM |
| Lens Mount | Canon RF |
| Sensor Format | Full Frame |
| Optical Construction | 26 elements in 18 groups |
| Special Glass & Optics | 1 Fluorite, 1 Super UD, 2 Ultra-Low Dispersion (UD) elements |
| Min. Focus Distance | 2.6 m (8.5 ft) |
| Max. Magnification | 0.34x |
| Image Stabilization | 4.5 stops standalone optical stabilization |
| Diaphragm Blades | 9 |
| Autofocus Motor | USM |
| Filter Diameter | 52 mm |
| Dimensions (D × L) | 163 mm (6.4 in) × 432 mm (17.0 in) |
| Weight | 3,140 g (111 oz) |
| Lens Hood | ET-155 (long)ET-155B (short) |
| Release Date | 2022-02-24 |
| Series Classification | L-Series |
| Estimated MSRP | $1,899 |
Features & Optical Technology
Recommended Photography Genres
Frequently Asked Questions
Q: Is the RF 800mm f/5.6 L IS USM weather sealed?
A: Yes, as an L-series lens, it features professional-grade weather sealing with dust and moisture resistance, making it suitable for challenging environmental conditions.
Q: What size filter does the RF 800mm f/5.6 L IS USM use?
A: The lens features a 52 mm front filter thread. Any circular filters (like UV, CPL, or ND) will need to match this 52 mm diameter.
Q: Is the RF 800mm f/5.6 L IS USM compatible with Canon RF extenders?
A: Yes, this lens is compatible with Canon's RF 1.4x and 2x extenders, allowing you to increase the focal length for even more reach.
✓ Includes configurable electronic Control Ring for aperture, ISO, or shutter speed.