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Compare Canon EF 400mm F2.8 L IS III vs Canon RF 400mm F2.8 vs Canon RF 85 F1.2L USM DS

Construction

Aperture Blades
9 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
Focus limiter, Tripod collar, Distance scale
Focus limiter, Tripod collar
Lens Mount
Canon EF-mount
Canon RF-mount
Canon RF-mount
Material
Magnesium alloy
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Ultrasonic
Optical Formula | Elements
17 elements
17 elements
13 elements
Optical Formula | Groups
13 groups
13 groups
9 groups
Optical Formula | Special Glass
Super UD + fluorite elements + Air Sphere + Super Spectra + fluorine coatings 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
343 mm / 13.50 in
367 mm / 14.45 in
117 mm / 4.61 in
Weight
2840 g / 100.35 oz
2890 g / 102.12 oz
1195 g / 42.23 oz

Function

Angle Of View
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/2.8 ~ f/32
f/2.8 ~ f/32
f/1.2
Autofocus
Yes
Yes
Yes
Focal Length
400 mm
400 mm
85 mm
Focus Type
Rear
Internal
Internal
Image Stabilization
Yes (5 stops)
Yes (5.5 stops)
No
Weather Resistance
Yes
Yes
Yes

Performance

Max Magnification
0.17x
0.17x
0.12x
Min Focus Distance
2500 mm / 98.43 in
2500 mm / 98.43 in
850 mm / 33.46 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2018-09-05
2021-04-14
2019-02-14

Reviews

Neofiliac score
62%
62%
80%
Pros
  • Superb autofocus performance
  • Very, very sharp
  • Optically stabilized
  • Weather-sealed
  • Comes with a tripod collar
  • 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
  • Very expensive
  • Quite heavy
  • Very expensive
  • DS causes some loss in light transmission

Price

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