Tamron 20-40mm F/2.8 Di III VXDvsTamron 24mm F/2.8 Di III OSD M1:2
20-40mm F/2.8 Di III VXD
20-40mm / F2.8
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24mm F/2.8 Di III OSD M1:2
24mm / F2.8
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Which to choose
When the 20-40mm F/2.8 Di III VXD suits you better
- Zoom rangeCovers 20-40mm in a single lens
When the 24mm F/2.8 Di III OSD M1:2 suits you better
- Weight150g lighter, so easier to carry
- Close focusFocuses as close as 12cm
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
- 20-40mm F/2.8 Di III VXD86.5mm long × 74.4mm diameter
- 24mm F/2.8 Di III OSD M1:264mm long × 73mm diameter
Specifications compared
| Specification | Tamron 20-40mm F/2.8 Di III VXD | Tamron 24mm F/2.8 Di III OSD M1:2 | Difference |
|---|---|---|---|
| Focal length (wide) | 20mm | 24mm | −4mm |
| Focal length (tele) | 40mm | 24mm | +16mm |
| Max aperture (wide) | F2.8 | F2.8 | — |
| Max aperture (tele) | F2.8 | F2.8 | — |
| Min aperture | F22 | F22 | — |
| Min focus distance | 17cm | 12cm | +0.05m |
| Max magnification | 0.26× | 0.50× | −0.24x |
| Aperture blades | 9blades | 7blades | +2blades |
| Weight | 365g | 215g | +150g |
| Length | 86.5mm | 64mm | +22.5mm |
| Diameter | 74.4mm | 73mm | +1.4mm |
| Filter size | 67mm | 67mm | — |
| Released | 2022 | 2019 | +3year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 20-40mm F/2.8 Di III VXD relative to 24mm F/2.8 Di III OSD M1:2.The highlighted cell is the better side for that specification.
Check prices
20-40mm F/2.8 Di III VXD
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24mm F/2.8 Di III OSD M1:2
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.
20-40mm F/2.8 Di III VXD in detail24mm F/2.8 Di III OSD M1:2 in detailAll E-mount lenses