Compare Canon EF 400mm F4 DO IS II vs Canon RF 800mm F11 vs Canon RF 85mm F1.2
Construction
Aperture Blades
9 blades
9 blades, Circular aperture blades
Colors
White
Black
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
Lens Mount
Canon EF-mount
Canon RF-mount
Canon RF-mount
Motor
Ultrasonic
Stepper motor
Ring-type ultrasonic
Optical Formula | Elements
18 elements
11 elements
13 elements
Optical Formula | Groups
12 groups
8 groups
9 groups
Optical Formula | Special Glass
Anti-smear fluorine coating on front element, large-diameter aspheric element, UD element groups
Gapless double-layer diffractive optics groups
Dimensions
Filter Diameter
52 mm / 2.05 in
95 mm / 3.74 in
82 mm / 3.23 in
Size | Diameter
128 mm / 5.04 in
102 mm / 4.02 in
103 mm / 4.06 in
Size | Length
233 mm / 9.17 in
352 mm / 13.86 in
117 mm / 4.61 in
Weight
2100 g / 74.20 oz
1260 g / 44.52 oz
1195 g / 42.23 oz
Function
Angle Of View
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
3.1° Diagonal | 2.6° Horizontal | 1.7° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/4 ~ f/32
f/11 ~ f/11
f/1.2
Autofocus
Yes
Yes
Yes
Focal Length
400 mm
800 mm
85 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
Yes (4 stops)
No
Weather Resistance
Yes
No
Yes
Performance
Max Magnification
0.13x
0.14x
Min Focus Distance
3300 mm / 129.92 in
6000 mm / 236.22 in
850 mm / 33.46 in
Production
Accessory
Lens Hood: ET-120 (supplied), Lens case (400D)
Lens hood included
Lens Hood: ET-89 (sold separately)
Debut
2014-09-15
2020-07-09
2019-02-14
Reviews
Neofiliac score
62%
35%
71%
Pros
- Superb autofocus performance
- Very sharp
- Good flare resistance
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Optically stabilized
- 800mm reach for less than $1k
- Relatively lightweight
- Collapsible design saves space
- Exceptionally sharp
- Very bright maximum aperture
- Weather-sealed
- Smooth bokeh
Cons
- Some may prefer the f/2.8 version
- Very dark maximum aperture
- Lacks weather sealing
- Not the most solid construction
- Not compatible with teleconverters
- On the heavy side
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