Compare Canon RF 400mm F2.8 vs Canon RF 1200mm F8L vs Canon RF 85 F1.2L USM DS
Construction
Aperture Blades
9 blades
9 blades, rounded 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
Focus limiter, Tripod collar
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
17 elements
26 elements
13 elements
Optical Formula | Groups
13 groups
18 groups
9 groups
Optical Formula | Special Glass
1 Super UD + 2 fluorite elements, Super Spectra + ASC coatings groups
2 Fluorite, 1 Super UD Lenses, 1 UD (Ultra-low Dispersion) 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
168 mm / 6.61 in
168 mm / 6.61 in
103 mm / 4.06 in
Size | Length
367 mm / 14.45 in
537 mm / 21.14 in
117 mm / 4.61 in
Weight
2890 g / 102.12 oz
3340 g / 118.02 oz
1195 g / 42.23 oz
Function
Angle Of View
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
2.1° Diagonal | 1.7° Horizontal | 1.1° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/2.8 ~ f/32
f/8 ~ f/64
f/1.2
Autofocus
Yes
Yes
Yes
Focal Length
400 mm
1200 mm
85 mm
Focus Type
Internal
Internal
Image Stabilization
Yes (5.5 stops)
Yes (4 stops)
No
Weather Resistance
Yes
Yes
Yes
Performance
Max Magnification
0.17x
0.29x
0.12x
Min Focus Distance
2500 mm / 98.43 in
4300 mm / 169.29 in
850 mm / 33.46 in
Production
Accessory
Lens hood included
Lens Hood: ET-160 (supplied), ET-160B Short hood
Debut
2021-04-14
2022-02-24
2019-02-14
Reviews
Neofiliac score
62%
84%
80%
Pros
- Bright aperture
- Superb autofocus
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Compatible with teleconverters
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Mind-boggling reach
- Very bright maximum aperture
- Smooth bokeh
- Very high sharpness
- Weather-sealed
- Great for portrait photography
Cons
- Very expensive
- Very special focal length
- Dark maximum aperture
- DS causes some loss in light transmission
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