Compare Canon EF 400mm F4 DO IS II vs Canon RF 600mm F4
Construction
Aperture Blades
9 blades
9 blades
Colors
White
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
Focus limiter, Tripod collar
Lens Mount
Canon EF-mount
Canon RF-mount
Material
Magnesium alloy
Motor
Ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
18 elements
17 elements
Optical Formula | Groups
12 groups
13 groups
Optical Formula | Special Glass
Anti-smear fluorine coating on front element, large-diameter aspheric element, UD element groups
1 Super UD + 2 fluorite elements, Super Spectra + ASC coatings 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
472 mm / 18.58 in
Weight
2100 g / 74.20 oz
3090 g / 109.19 oz
Function
Angle Of View
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical
Aperture
f/4 ~ f/32
f/4 ~ f/32
Autofocus
Yes
Yes
Focal Length
400 mm
600 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
Yes (5.5 stops)
Weather Resistance
Yes
Yes
Performance
Max Magnification
0.13x
0.15x
Min Focus Distance
3300 mm / 129.92 in
4200 mm / 165.35 in
Production
Accessory
Lens Hood: ET-120 (supplied), Lens case (400D)
Lens hood included
Debut
2014-09-15
2021-04-14
Reviews
Neofiliac score
62%
52%
Pros
- Superb autofocus performance
- Very sharp
- Good flare resistance
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Superb autofocus performance
- Very, very sharp
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Compatible with teleconverters
Cons
- Some may prefer the f/2.8 version
- Very expensive
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