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Canon RF 100-400mm f/5.6-8 IS USM vs Sigma 16-300mm f/3.5-6.7 DC OS | Contemporary

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Optics
Focal Length
100-400mm
16-300mm
Zoom Ratio
4x
18.8x
Max Aperture
f/5.6
f/3.5
Min Aperture
f/45
f/45
Elements / Groups
12 / 9
20 / 14
Special Elements
1 UD, 1 aspherical
1 FLD, 4 SLD, 4 aspherical
Coatings
Super Spectra Coating
Water- and oil-repellent coating; flare and ghosting suppression
Diaphragm Blades
9
9
Max Magnification
0.41x
0.5x
Focus
Min Focus Dist.
88cm
17cm
Autofocus
AF Motor Type
Nano USM
HLA
Focus Method
rear focusing system
internal autofocus with HLA motor
Full-time Manual
Distance Scale
Focus Limiter
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Physical
Lens Mount
Canon RF
Canon RF
Weight
635 g
625 g
Dimensions (D x L)
80 x 165 mm
74 x 121 mm
Filter Thread
67 mm
67 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Zoom Method
External
External
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
0
0
Color
Black
Black
General
Launch Price
USD 700
USD 699
Announce Date
Sep 14, 2021
Feb 24, 2025
Sensor Format
Full Frame
APS-C