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Sigma 40mm f/1.4 DG HSM Art Lens Compared to the Tamron 45mm f/1.8 Di VC USD Lens
| Specifications | Sigma 40mm f/1.4 DG HSM Art Lens | Tamron 45mm f/1.8 Di VC USD Lens |
|---|---|---|
 |
 |
|
| Year Introduced | 2018 | 2015 |
| Mounts On | Full-Frame, APS-C | Full-Frame, APS-C |
| Lenses / Groups | 16/12 | 10/8 |
| Angle of View: Diagonal | 56.8° | 52° 21' |
| Aperture | ||
| Aperture Range - Wide / Long | f/1.4-16 | f/1.8-16 |
| Number of Aperture Blades | 9 | 9 |
| Rounded Aperture? | Y | Y |
| Weight | ||
| Manufacturer Specification Weight | 42.4 oz (1200g) | 19.2 oz (544g) |
| Actual Weight | 42.4 oz (1200g) | 19.2 oz (545g) |
| Lens Hood Weight | 2.1 oz (60g) | 0.9 oz (25g) |
| In-Use Weight | 44.5 oz (1260g) | 20.1 oz (570g) |
| Size | ||
| Manufacturer Spec Size (DxL) | 3.46 x 5.16” (87.8 x 131mm) | 3.17 x 3.6” (80.4 x 91.4mm) |
| Measured Size (DxL) | 3.45 x 5.47” (88 x 138.9mm) | 3.19 x 3.93” (80.9 x 99.9mm) |
| Max Length at Full Extension | 5.47” (138.9mm) | 3.93” (99.9mm) |
| Internal Focusing? / Extends with Focusing? | Y / | Y / N |
| Lens Hood Size (DxL) | 4.17 x 2.47” (105.8 x 62.7mm) | 3.49 x 1.82” (88.7 x 46.3mm) |
| Lens Length with Hood (Min-Max) | 7.45 - 7.45” (189.3 - 189.3mm) | 5.51 - 5.51” (140 - 140mm) |
| Size of Rings: Focus / Zoom | 2.22” (56.4mm) | 1.09” (27.8mm) |
| Filter Size | 82mm UV ► CP ► | 67mm UV ► CP ► |
| Front Element (Filter Mount) Rotates | N | N |
| Focus | ||
| AF Motor Type | HSM | USD |
| Full Time Manual Focus | Y | Y |
| Focus Ring Rotation | 128° | 212° |
| Focus Limiter? / Focus Limiter Ranges | N | N |
| Distance Scale? / Type | Y / Window | Y / Window |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 15.75” (400mm) | 11.42” (290mm) |
| Tested Min Focus Distance (Wide / Long) | 13.86” (352mm) | 11.1” (282mm) |
| Maximum Magnification | 0.15x | 0.29x |
| Features | ||
| Lens Hood Included / Model? | Y / LH878-01 Buy ► | Y / HF012 Buy ► |
| Weather Sealed? / Filter Required? | Y / | Y / |
| Image Stabilization? / Stops? / Tripod Sensing? | N | Y / / |
| Extender Compatible? | N | N |
| Case Included? / Type? | Y / Padded Nylon | / |
| 47.25" x 31.5" Subject Framing Distance | 40mm = 4.75' | 45mm = 5.41' |
| 1200mm x 800mm Subject Framing Distance | 40mm = 1446mm | 45mm = 1650mm |
| Review | Sigma 40mm f/1.4 DG HSM Art Lens | Tamron 45mm f/1.8 Di VC USD Lens |
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