Canon EF24-70mm F2.8L II USMvsCanon EF40mm F2.8 STM
EF24-70mm F2.8L II USM
24-70mm / F2.8
—
EF40mm F2.8 STM
40mm / F2.8
—
Which to choose
When the EF24-70mm F2.8L II USM suits you better
- Zoom rangeCovers 24-70mm in a single lens
- Weather sealingHas weather sealing
When the EF40mm F2.8 STM suits you better
- Weight675g lighter, so easier to carry
- Close focusFocuses as close as 30cm
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
- EF24-70mm F2.8L II USM113mm long × 88.5mm diameter
- EF40mm F2.8 STM22.8mm long × 68.2mm diameter
Specifications compared
| Specification | Canon EF24-70mm F2.8L II USM | Canon EF40mm F2.8 STM | Difference |
|---|---|---|---|
| Focal length (wide) | 24mm | 40mm | −16mm |
| Focal length (tele) | 70mm | 40mm | +30mm |
| Max aperture (wide) | F2.8 | F2.8 | — |
| Max aperture (tele) | F2.8 | F2.8 | — |
| Min aperture | F22 | F22 | — |
| Min focus distance | 38cm | 30cm | +0.08m |
| Max magnification | 0.21× | 0.18× | +0.03x |
| Aperture blades | 9blades | 7blades | +2blades |
| Weight | 805g | 130g | +675g |
| Length | 113mm | 22.8mm | +90.2mm |
| Diameter | 88.5mm | 68.2mm | +20.3mm |
| Filter size | 82mm | 52mm | +30mm |
| Released | 2012 | 2012 | — |
| Stabilization | No | No | — |
| Weather sealing | Yes | No | Yes |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as EF24-70mm F2.8L II USM relative to EF40mm F2.8 STM.The highlighted cell is the better side for that specification.
Check prices
EF24-70mm F2.8L II USM
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.
EF40mm F2.8 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.
EF24-70mm F2.8L II USM in detailEF40mm F2.8 STM in detailAll EF mount lenses