Compare Canon EF 400mm F4 DO IS II vs Canon RF 1200mm F8L
Construction
Aperture Blades
9 blades
9 blades, rounded blades
Colors
White
Form Factor
Super Telephoto Prime Lens
Super Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Tripod collar
Lens Mount
Canon EF-mount
Canon RF-mount
Motor
Ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
18 elements
26 elements
Optical Formula | Groups
12 groups
18 groups
Optical Formula | Special Glass
Anti-smear fluorine coating on front element, large-diameter aspheric element, UD element groups
2 Fluorite, 1 Super UD Lenses, 1 UD (Ultra-low Dispersion) groups
Dimensions
Filter Diameter
52 mm / 2.05 in
52 mm / 2.05 in
Size | Diameter
128 mm / 5.04 in
168 mm / 6.61 in
Size | Length
233 mm / 9.17 in
537 mm / 21.14 in
Weight
2100 g / 74.20 oz
3340 g / 118.02 oz
Function
Angle Of View
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
2.1° Diagonal | 1.7° Horizontal | 1.1° Vertical
Aperture
f/4 ~ f/32
f/8 ~ f/64
Autofocus
Yes
Yes
Focal Length
400 mm
1200 mm
Focus Type
Internal
Image Stabilization
Yes
Yes (4 stops)
Weather Resistance
Yes
Yes
Performance
Max Magnification
0.13x
0.29x
Min Focus Distance
3300 mm / 129.92 in
4300 mm / 169.29 in
Production
Accessory
Lens Hood: ET-120 (supplied), Lens case (400D)
Lens Hood: ET-160 (supplied), ET-160B Short hood
Debut
2014-09-15
2022-02-24
Reviews
Neofiliac score
62%
84%
Pros
- Superb autofocus performance
- Very sharp
- Good flare resistance
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Mind-boggling reach
Cons
- Some may prefer the f/2.8 version
- Very special focal length
- Dark maximum aperture
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