Compare real-world fit, not spreadsheet noise.
Pick up to four products and tune the verdict around travel, hybrid work, wildlife, resale safety or pure value. GearAtlas weighs carry size, ecosystem cost, market timing and ownership risk in one calm decision surface.
Visual
Estimated
Ranked
Canon RF 100-500mm f/4.5-7.1L IS USM
Canon RF / 1370g
Canon RF 70-200mm f/2.8L IS USM
Canon RF / 1070g
Workflow lens
Canon RF 70-200mm f/2.8L IS USM is the stronger fit for travel and everyday carry.
Canon RF 70-200mm f/2.8L IS USM leads on carry and size by 35 points.
Workflow score
Camera size studio
Relative body dimensions
Front, back and top views are drawn from external dimensions so the size relationship stays proportional.
View
Mode
Canon RF 100-500mm f/4.5-7.1L IS USM
Front view / 88 x 88mm
88 x 88 x 120mm
Canon RF 70-200mm f/2.8L IS USM
Front view / 88 x 88mm
88 x 88 x 120mm
Width
Height
Depth
Weight
External dimensions and carry delta
Canon RF 70-200mm f/2.8L IS USM is the lightest (300g less than Canon RF 100-500mm f/4.5-7.1L IS USM).
Canon RF 100-500mm f/4.5-7.1L IS USM
Canon RF 70-200mm f/2.8L IS USM
Class benchmarks
Decision matrix
Scores tuned for travel
Highlighted specs
Only specs that change the decision
Focal length
100-500mm
Focal length
70-200mm
Max aperture
f/2.8 constant
Community comparison
Owner consensus · not specsCommunity comparison appears once owners vote on these products — 6 more votes across the pair will unlock it.