Compare Canon RF 800mm F5.6L vs Canon EF 400mm F4 DO IS II vs Tokina SZX 400mm F8 Reflex
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
Colors
White
Black
Form Factor
Super Telephoto Prime Lens
Super Telephoto Prime Lens
Super Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Tripod collar
Focus limiter, Tripod collar, Distance scale
Lens Mount
Canon RF-mount
Canon EF-mount
Canon EF-mount, Micro Four Thirds-mount, Nikon F-mount, Sony E-mount
Motor
Ring-type ultrasonic
Ultrasonic
Optical Formula | Elements
26 elements
18 elements
6 elements
Optical Formula | Groups
18 groups
12 groups
5 groups
Optical Formula | Special Glass
2 Fluorite, 1 Super UD, 1 UD (Ultra-low Dispersion). groups
Anti-smear fluorine coating on front element, large-diameter aspheric element, UD element groups
Dimensions
Filter Diameter
52 mm / 2.05 in
52 mm / 2.05 in
67 mm / 2.64 in
Size | Diameter
163 mm / 6.42 in
128 mm / 5.04 in
74 mm / 2.91 in
Size | Length
432 mm / 17.01 in
233 mm / 9.17 in
77 mm / 3.03 in
Weight
3140 g / 110.95 oz
2100 g / 74.20 oz
355 g / 12.54 oz
Function
Angle Of View
3.1° Diagonal | 2.6° Horizontal | 1.7° Vertical
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
Aperture
f/5.6 ~ f/64
f/4 ~ f/32
f/8 ~ f/8
Autofocus
Yes
Yes
No
Focal Length
800 mm
400 mm
400 mm
Focus Type
Internal
Internal
Image Stabilization
Yes (4 stops)
Yes
No
Weather Resistance
Yes
Yes
No
Performance
Max Magnification
0.34x
0.13x
0.4x
Min Focus Distance
2600 mm / 102.36 in
3300 mm / 129.92 in
1150 mm / 45.28 in
Production
Accessory
Lens Hood: ET-155 (supplied), Short lens hood (ET-155B)
Lens Hood: ET-120 (supplied), Lens case (400D)
Lens hood included
Debut
2022-02-24
2014-09-15
2020-07-19
Reviews
Neofiliac score
90%
62%
40%
Pros
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Superb build quality
- Very fast autofocus
- Superb autofocus performance
- Very sharp
- Good flare resistance
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Very compact for 400mm
- Very affordable
Cons
- Too expensive
- Some may prefer the f/2.8 version
- Dark maximum aperture
- Lacks weather sealing
- Poor image quality
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