Canon RF 800mm F5.6 L IS USM Lens Compared to the Canon RF 400mm F2.8 L IS USM Lens

SpecificationsCanon RF 800mm F5.6 L IS USM LensCanon RF 400mm F2.8 L IS USM Lens
  Canon RF 800mm F5.6 L IS USM Lens Canon RF 400mm F2.8 L IS USM Lens
Year Introduced20222021
Mounts OnFull-Frame, APS-CFull-Frame
Lenses / Groups26/1817/13
Angle of View: Diagonal03° 05’6° 10'
Angle of View: Horizontal5°10'
Angle of View: Vertical3°30'
 
Aperture  
Aperture Range - Wide / Long f/5.6-64 f/2.8-32
Number of Aperture Blades 9 9
Rounded Aperture? Y Y
 
Weight  
Manufacturer Specification Weight 110.8 oz  (3140g) 102 oz  (2890g)
Actual Weight 110.5 oz  (3129.8g) 101.7 oz  (2880g)
Lens Hood Weight 9.3 oz  (264g) 8.8 oz  (250g)
In-Use Weight 119.8 oz  (3393.8g) 110.5 oz  (3130g)
 
Size  
Manufacturer Spec Size (DxL) 6.42 x 17.01”  (163 x 432mm) 6.42 x 14.45”  (163 x 367mm)
Measured Size (DxL) 6.42 x 17.31”  (163 x 439.6mm) 6.94 x 14.71”  (176.3 x 373.7mm)
Max Diameter at Tripod Ring 6.7”  (169.1mm)
Max Length at Full Extension 17.31”  (439.6mm) 14.71”  (373.7mm)
Internal Focusing? / Extends with Focusing? Y / N Y / N
Lens Hood Size (DxL) 7.1 x 6.4”  (180.4 x 162.5mm) 7.7 x 6.41”  (195.5 x 162.7mm)
Lens Length with Hood (Min-Max) 22.7 - 22.7”  (576.5 - 576.5mm) 20.1 - 20.1”  (510.6 - 510.5mm)
Size of Rings: Focus / Zoom 2.99”  (75.9mm) 3”  (76.3mm)
Filter Size DI 52mm  UV ► CP ► DI 52mm  UV ► CP ►
Front Element (Filter Mount) Rotates N N
 
Focus  
AF Motor Type USM USM
Full Time Manual Focus Y Y
Focus Ring Rotation 540°
Focus Limiter? / Focus Limiter Ranges Y /
Full
8.5-65.6' (2.6-20m)
65.6' (20.0m) - ∞
Y /
8.2' (2.5m) - 23.0' (7m)
23.0' (7m) - ∞
Full
Distance Scale? / Type N N
 
Close Focus  
Specified Min Focus Distance 102.36”  (2600mm) 98.43”  (2500mm)
Tested Min Focus Distance (Wide / Long) 99.21”  (2520mm) 96.93”  (2462mm)
Maximum Magnification (MM) 0.34x 0.17x
 
Features  
Tripod Ring Included? / Removable? Y / N Y / N
Lens Hood Included / Model? Y / ET-155 Buy ► Y / ET-155 (WIII) Buy ►
Weather Sealed? / Filter Required? Y / Y /
Image Stabilization? / Stops? / Tripod Sensing? Y / 4.5 / Y Y / 5.5 / Y
Extender Compatible? Y Y
Case Included? / Type? Y / LS600 Buy ► Y / LS400 Buy ►
47.25" x 31.5" Subject Framing Distance 11.81" x 7.87" Target:
800mm = 22.50'
1120mm = 30.95' (w/ 1.4x)
23.62" x 15.75" Target:
400mm = 43.85'
 
23.62" x 15.75"mm Target:
560mm = 30.72' (w/ 1.4x)
800mm = 43.44' (w/ 2.0x)
1200mm x 800mm Subject Framing Distance 300mm x 200mm Target:
800mm = 6857mm
1120mm = 9433mm (w/ 1.4x)
600mm x 400mm Target:
400mm = 13367mm
 
600mm x 400mm Target:
560mm = 9362mm (w/ 1.4x)
800mm = 13240mm (w/ 2.0x)
 
Review Canon RF 800mm F5.6 L IS USM Lens Canon RF 400mm F2.8 L IS USM Lens
 
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