Compare Canon RF 400mm F2.8 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
Focus limiter, Tripod collar
Lens Mount
Canon RF-mount
Canon RF-mount
Material
Magnesium alloy
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
17 elements
17 elements
Optical Formula | Groups
13 groups
13 groups
Optical Formula | Special Glass
1 Super UD + 2 fluorite elements, Super Spectra + ASC coatings 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
168 mm / 6.61 in
168 mm / 6.61 in
Size | Length
367 mm / 14.45 in
472 mm / 18.58 in
Weight
2890 g / 102.12 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/2.8 ~ f/32
f/4 ~ f/32
Autofocus
Yes
Yes
Focal Length
400 mm
600 mm
Focus Type
Internal
Internal
Image Stabilization
Yes (5.5 stops)
Yes (5.5 stops)
Weather Resistance
Yes
Yes
Performance
Max Magnification
0.17x
0.15x
Min Focus Distance
2500 mm / 98.43 in
4200 mm / 165.35 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2021-04-14
2021-04-14
Reviews
Neofiliac score
62%
52%
Pros
- Bright aperture
- Superb autofocus
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Compatible with teleconverters
- Superb autofocus performance
- Very, very sharp
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Compatible with teleconverters
Cons
- Very expensive
- Very expensive
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