Compare Canon RF 800mm F5.6L vs Canon RF 400mm F2.8 vs Canon RF 85 F1.2L USM DS
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
9 blades
Colors
White
Form Factor
Super Telephoto Prime Lens
Super Telephoto Prime Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Tripod collar
Focus limiter, Tripod collar
Lens Mount
Canon RF-mount
Canon RF-mount
Canon RF-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Ultrasonic
Optical Formula | Elements
26 elements
17 elements
13 elements
Optical Formula | Groups
18 groups
13 groups
9 groups
Optical Formula | Special Glass
2 Fluorite, 1 Super UD, 1 UD (Ultra-low Dispersion). groups
1 Super UD + 2 fluorite elements, Super Spectra + ASC coatings groups
BR Optical elements in one location, one UD, one ground aspherical lens groups
Dimensions
Filter Diameter
52 mm / 2.05 in
52 mm / 2.05 in
82 mm / 3.23 in
Size | Diameter
163 mm / 6.42 in
168 mm / 6.61 in
103 mm / 4.06 in
Size | Length
432 mm / 17.01 in
367 mm / 14.45 in
117 mm / 4.61 in
Weight
3140 g / 110.95 oz
2890 g / 102.12 oz
1195 g / 42.23 oz
Function
Angle Of View
3.1° Diagonal | 2.6° Horizontal | 1.7° Vertical
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/5.6 ~ f/64
f/2.8 ~ f/32
f/1.2
Autofocus
Yes
Yes
Yes
Focal Length
800 mm
400 mm
85 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes (4 stops)
Yes (5.5 stops)
No
Weather Resistance
Yes
Yes
Yes
Performance
Max Magnification
0.34x
0.17x
0.12x
Min Focus Distance
2600 mm / 102.36 in
2500 mm / 98.43 in
850 mm / 33.46 in
Production
Accessory
Lens Hood: ET-155 (supplied), Short lens hood (ET-155B)
Lens hood included
Debut
2022-02-24
2021-04-14
2019-02-14
Reviews
Neofiliac score
90%
62%
80%
Pros
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Superb build quality
- Very fast autofocus
- Bright aperture
- Superb autofocus
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Compatible with teleconverters
- Very bright maximum aperture
- Smooth bokeh
- Very high sharpness
- Weather-sealed
- Great for portrait photography
Cons
- Too expensive
- Very expensive
- DS causes some loss in light transmission
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