Canon RF 100-500mm f/4.5-7.1 L IS USM vs Canon RF14mm F1.4 L VCM
The bottom line
These cover different focal lengths — the Canon RF 100-500mm f/4.5-7.1 L IS USM is 100-500mm, the Canon RF14mm F1.4 L VCM is 14mm — so they're not really substitutes. Pick by the field of view you actually need: the Canon RF 100-500mm f/4.5-7.1 L IS USM for super-telephoto, the Canon RF14mm F1.4 L VCM for wide-angle.
Choose the Canon RF 100-500mm f/4.5-7.1 L IS USM if…
- ✓You need more reach — it goes to 500mm vs 14mm for distant subjects, wildlife and sport.
- ✓You want one-lens flexibility — a 100-500mm zoom covers what the fixed 14mm can't reframe.
- ✓You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
- ✓You like close-focus work — 0.33x magnification vs 0.11x.
Choose the Canon RF14mm F1.4 L VCM if…
- ✓You want more light and background blur — f/1.4 is faster than f/4.5, better for low light and subject separation.
- ✓You shoot wide — it starts at 14mm vs 100mm for landscapes, interiors and architecture.
- ✓You prefer a fast, compact single focal length — a 14mm prime over a zoom.
- ✓You value portability — at 578g (1.27 lb) it's lighter than the 1530g (3.37 lb) alternative for travel and all-day carry.
Where they differ
- ›Aperture: the Canon RF14mm F1.4 L VCM opens to f/1.4 vs the Canon RF 100-500mm f/4.5-7.1 L IS USM's f/4.5 — more light and shallower depth-of-field.
- ›Focal range: Canon RF 100-500mm f/4.5-7.1 L IS USM is 100-500mm, Canon RF14mm F1.4 L VCM is 14mm — different framing and reach.
- ›Type: the Canon RF 100-500mm f/4.5-7.1 L IS USM is a zoom (flexible framing), the Canon RF14mm F1.4 L VCM a prime (one focal length, usually brighter and lighter).
- ›Price: the Canon RF14mm F1.4 L VCM is $2,599, $300 under the Canon RF 100-500mm f/4.5-7.1 L IS USM.
- ›Stabilisation: only the Canon RF 100-500mm f/4.5-7.1 L IS USM has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.
- ›Close-up: the Canon RF 100-500mm f/4.5-7.1 L IS USM reaches 0.33x magnification vs 0.11x — more for close-up and macro work.
Frequently asked
Is the Canon RF 100-500mm f/4.5-7.1 L IS USM or the Canon RF14mm F1.4 L VCM better?
These cover different focal lengths — the Canon RF 100-500mm f/4.5-7.1 L IS USM is 100-500mm, the Canon RF14mm F1.4 L VCM is 14mm — so they're not really substitutes. Pick by the field of view you actually need: the Canon RF 100-500mm f/4.5-7.1 L IS USM for super-telephoto, the Canon RF14mm F1.4 L VCM for wide-angle.
Who should choose the Canon RF 100-500mm f/4.5-7.1 L IS USM?
Choose the Canon RF 100-500mm f/4.5-7.1 L IS USM if you need more reach — it goes to 500mm vs 14mm for distant subjects, wildlife and sport. Choose it if you want one-lens flexibility — a 100-500mm zoom covers what the fixed 14mm can't reframe. Choose it if you shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't. Choose it if you like close-focus work — 0.33x magnification vs 0.11x.
Who should choose the Canon RF14mm F1.4 L VCM?
Choose the Canon RF14mm F1.4 L VCM if you want more light and background blur — f/1.4 is faster than f/4.5, better for low light and subject separation. Choose it if you shoot wide — it starts at 14mm vs 100mm for landscapes, interiors and architecture. Choose it if you prefer a fast, compact single focal length — a 14mm prime over a zoom. Choose it if you value portability — at 578g (1.27 lb) it's lighter than the 1530g (3.37 lb) alternative for travel and all-day carry.
What is the main difference between the Canon RF 100-500mm f/4.5-7.1 L IS USM and the Canon RF14mm F1.4 L VCM?
Aperture: the Canon RF14mm F1.4 L VCM opens to f/1.4 vs the Canon RF 100-500mm f/4.5-7.1 L IS USM's f/4.5 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 100-500mm | 14mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 20 | 18 |
| Optical Groups | 14 | 13 |
| Aperture & Iris | ||
| Maximum Aperture | f/4.5 | f/1.4 |
| Minimum Aperture | f/51 | f/16 |
| Aperture Blades | 9 | − |
| Rounded Aperture | Yes | No |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | 24° – 5° | 114° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Dual Nano USM | Dual VCM |
| Focus Limiter | Yes | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 90 cm | 24 cm |
| Max Magnification | 0.33x | 0.11x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $2,899 | $2,599 |
| Filter Size | 77mm | − |
| Diameter | 93.8mm | 76.5mm |
| Length | 207.6mm | 112mm |
| Weight | 1530g (3.37 lb) | 578g (1.27 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | Yes | No |
