Canon RF24-105mm F4 L IS USMvsCanon RF28-70mm F2.8 IS STM
RF24-105mm F4 L IS USM
24-105mm / F4
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RF28-70mm F2.8 IS STM
28-70mm / F2.8
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Which to choose
When the RF24-105mm F4 L IS USM suits you better
- Zoom rangeCovers 24-105mm in a single lens
- Weather sealingHas weather sealing
When the RF28-70mm F2.8 IS STM suits you better
- Brightness1.0 stops brighter — better in low light and blurs the background more
- Weight205g lighter, so easier to carry
These points are derived mechanically from the numbers. How a lens actually renders does not show up in specifications, so look at samples before deciding.
Size compared
- RF24-105mm F4 L IS USM107.3mm long × 83.5mm diameter
- RF28-70mm F2.8 IS STM92.2mm long × 76.5mm diameter
Specifications compared
| Specification | Canon RF24-105mm F4 L IS USM | Canon RF28-70mm F2.8 IS STM | Difference |
|---|---|---|---|
| Focal length (wide) | 24mm | 28mm | −4mm |
| Focal length (tele) | 105mm | 70mm | +35mm |
| Max aperture (wide) | F4 | F2.8 | 1.0 stops darker |
| Max aperture (tele) | F4 | F2.8 | 1.0 stops darker |
| Min aperture | F22 | F22 | — |
| Min focus distance | 45cm | — | No data |
| Max magnification | 0.24× | — | No data |
| Aperture blades | 9blades | 9blades | — |
| Weight | 700g | 495g | +205g |
| Length | 107.3mm | 92.2mm | +15.1mm |
| Diameter | 83.5mm | 76.5mm | +7mm |
| Filter size | 77mm | 67mm | +10mm |
| Released | 2018 | 2024 | −6year |
| Stabilization | Yes | Yes | — |
| Weather sealing | Yes | No | Yes |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF24-105mm F4 L IS USM relative to RF28-70mm F2.8 IS STM.The highlighted cell is the better side for that specification.
Check prices
RF24-105mm F4 L IS USM
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RF28-70mm F2.8 IS STM
ADLinks to Amazon, B&H Photo, Adorama, KEH Camera, MPB, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links marked “Search results” go to that retailer’s search page for this lens name.Check price and availability on the retailer’s own site.
RF24-105mm F4 L IS USM in detailRF28-70mm F2.8 IS STM in detailAll RF mount lenses