Sigma 45mm F2.8 DGvsSony E PZ 18-105mm F4 G OSS
45mm F2.8 DG
45mm / F2.8
—
E PZ 18-105mm F4 G OSS
18-105mm / F4
27-158mm equiv.
—
Which to choose
When the 45mm F2.8 DG suits you better
- Brightness1.0 stops brighter — better in low light and blurs the background more
- Weight192g lighter, so easier to carry
- Weather sealingHas weather sealing
When the E PZ 18-105mm F4 G OSS suits you better
- Zoom rangeCovers 18-105mm in a single lens
- StabilizationHas stabilization
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
- 45mm F2.8 DG48.2mm long × 64mm diameter
- E PZ 18-105mm F4 G OSS110mm long × 78mm diameter
Specifications compared
| Specification | Sigma 45mm F2.8 DG | Sony E PZ 18-105mm F4 G OSS | Difference |
|---|---|---|---|
| Focal length (wide) | 45mm | 18mm | +27mm |
| Focal length (tele) | 45mm | 105mm | −60mm |
| Max aperture (wide) | F2.8 | F4 | 1.0 stops brighter |
| Max aperture (tele) | F2.8 | F4 | 1.0 stops brighter |
| Min aperture | — | F22 | No data |
| Min focus distance | — | 45cm | No data |
| Max magnification | — | 0.11× | No data |
| Aperture blades | — | 7blades | No data |
| Weight | 235g | 427g | −192g |
| Length | 48.2mm | 110mm | −61.8mm |
| Diameter | 64mm | 78mm | −14mm |
| Filter size | 55mm | 72mm | −17mm |
| Released | 2025 | 2013 | +12year |
| Stabilization | No | Yes | No |
| Weather sealing | Yes | No | Yes |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 45mm F2.8 DG relative to E PZ 18-105mm F4 G OSS.The highlighted cell is the better side for that specification.
Check prices
45mm F2.8 DG
ADLinks to Amazon, MPB, Wex Photo Video, Park Cameras, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links to London Camera Exchange are not affiliate links.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 PZ 18-105mm F4 G OSS
ADLinks to Amazon, MPB, Wex Photo Video, Park Cameras, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links to London Camera Exchange are not affiliate links.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.
45mm F2.8 DG in detailE PZ 18-105mm F4 G OSS in detailAll E-mount lenses