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Sigma 45mm F2.8 DG DN Contemporary Lens Compared to the Sony FE 50mm F2.5 G Lens
| Specifications | Sigma 45mm F2.8 DG DN Contemporary Lens | Sony FE 50mm F2.5 G Lens |
|---|---|---|
 |
 |
|
| Year Introduced | 2019 | 2021 |
| Mounts On | Full-Frame, APS-C | Full-Frame, APS-C |
| Lenses / Groups | 8/7 | 9/9 |
| Angle of View: Diagonal | 51.3º | 47° |
| Aperture | ||
| Aperture Range - Wide / Long | f/2.8-22 | f/2.5-22 |
| Number of Aperture Blades | 7 | 7 |
| Rounded Aperture? | Y | Y |
| Weight | ||
| Manufacturer Specification Weight | 7.6 oz (215g) | 6.1 oz (174g) |
| Actual Weight | 7.5 oz (211.9g) | 6.1 oz (173.8g) |
| Lens Hood Weight | 1.6 oz (44.1g) | 0.4 oz (11.8g) |
| In-Use Weight | 16.1 oz (456g) | 6.6 oz (185.6g) |
| Size | ||
| Manufacturer Spec Size (DxL) | 2.52 x 1.82” (64 x 46.2mm) | 2.68 x 1.77” (68 x 45mm) |
| Measured Size (DxL) | 2.52 x 2.09” (64 x 53.2mm) | 2.67 x 1.98” (67.8 x 50.4mm) |
| Max Length at Full Extension | 2.09” (53.2mm) | 1.98” (50.4mm) |
| Internal Focusing? / Extends with Focusing? | Y / N | Y / N |
| Lens Hood Size (DxL) | 2.85 x 1.24” (72.3 x 31.5mm) | 2.4 x 0.65” (60.9 x 16.6mm) |
| Lens Length with Hood (Min-Max) | 3.13 - 3.13” (79.4 - 79.4mm) | 2.52 - 2.52” (64.1 - 64.1mm) |
| Size of Rings: Focus / Zoom | 0.48” (12.3mm) | 0.43” (11mm) |
| Filter Size | 55mm UV ► CP ► | 49mm UV ► CP ► |
| Front Element (Filter Mount) Rotates | N | N |
| Focus | ||
| AF Motor Type | Stepping Motor | Dual Linear |
| Full Time Manual Focus | Y | Y |
| Focus Ring Rotation | 330° | 155° |
| Focus Limiter? / Focus Limiter Ranges | N | N |
| Distance Scale? / Type | N | N |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 9.45” (240mm) | 12.2” (310mm) |
| Tested Min Focus Distance (Wide / Long) | 8.5” (216mm) | 11.61” (295mm) |
| Maximum Magnification | 0.25x | 0.21x |
| Features | ||
| Tripod Ring Included? / Removable? | N | N |
| Lens Hood Included / Model? | Y / LH577-01 Buy ► | Y / ALC-SH166 Buy ► |
| Weather Sealed? / Filter Required? | Y / | Y / |
| Image Stabilization? / Stops? / Tripod Sensing? | N | N |
| Extender Compatible? | N | N |
| Case Included? / Type? | N / | N / |
| 47.25" x 31.5" Subject Framing Distance | 45mm = 5.09' | 50mm = 5.61' |
| 1200mm x 800mm Subject Framing Distance | 45mm = 1550mm | 50mm = 1711mm |
| Review | Sigma 45mm F2.8 DG DN Contemporary Lens | Sony FE 50mm F2.5 G Lens |
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