Sony E 20mm F2.8vsTamron 20-40mm F/2.8 Di III VXD
E 20mm F2.8
20mm / F2.8
30mm equiv.
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20-40mm F/2.8 Di III VXD
20-40mm / F2.8
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Which to choose
When the E 20mm F2.8 suits you better
- Weight296g lighter, so easier to carry
When the 20-40mm F/2.8 Di III VXD suits you better
- Close focusFocuses as close as 17cm
- Zoom rangeCovers 20-40mm in a single lens
- Weather sealingHas weather sealing
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
- E 20mm F2.820.4mm long × 62.6mm diameter
- 20-40mm F/2.8 Di III VXD86.5mm long × 74.4mm diameter
Specifications compared
| Specification | Sony E 20mm F2.8 | Tamron 20-40mm F/2.8 Di III VXD | Difference |
|---|---|---|---|
| Focal length (wide) | 20mm | 20mm | — |
| Focal length (tele) | 20mm | 40mm | −20mm |
| Max aperture (wide) | F2.8 | F2.8 | — |
| Max aperture (tele) | F2.8 | F2.8 | — |
| Min aperture | F16 | F22 | −6.0 |
| Min focus distance | 20cm | 17cm | +0.03m |
| Max magnification | 0.12× | 0.26× | −0.14x |
| Aperture blades | 7blades | 9blades | −2blades |
| Weight | 69g | 365g | −296g |
| Length | 20.4mm | 86.5mm | −66.1mm |
| Diameter | 62.6mm | 74.4mm | −11.8mm |
| Filter size | 49mm | 67mm | −18mm |
| Released | 2013 | 2022 | −9year |
| Stabilization | No | No | — |
| Weather sealing | No | Yes | No |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as E 20mm F2.8 relative to 20-40mm F/2.8 Di III VXD.The highlighted cell is the better side for that specification.
Check prices
E 20mm F2.8
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20-40mm F/2.8 Di III VXD
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.
E 20mm F2.8 in detail20-40mm F/2.8 Di III VXD in detailAll E-mount lenses