Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) vs Sigma EX 50mm F2.8 DG Macro
This is a full comparison between the lenses Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) and Sigma EX 50mm F2.8 DG Macro.
Compare Specifications
Product |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Name | Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) | Sigma EX 50mm F2.8 DG Macro |
| Manufacturer | Tamron | Sigma |
| SKU | ||
Release Date and Price |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Release Year | 2008 | 2003 |
| Release Date | ||
| MSRP | N/A | 420 USD |
| Buy it today |
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Lens Type |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Lens Type |
Standard / Normal Macro |
Standard / Normal Macro |
| Zoom or Prime | Zoom lens | Prime lens (no zoom) |
Mount and Compatibility |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Mount | Nikon F | Canon EFNikon F |
| Designed for APS-C sensor | No (Suitable for all sensors) | No (Suitable for all sensors) |
Focus |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Autofocus (AF) | Yes | YesNote. See below for further information |
| Built-in Autofocus (AF) Motor | Yes |
No
Requires that the camera has an Autofocus Motor Compatible Cameras for Sigma EX 50mm F2.8 DG Macro |
| Motor Type | No information | N/A |
| Focus Method | No information | No information |
| Closest Focusing Distance | 33 cm | 18 cm |
| Maximum Magnification | ||
| Macro 1:1 | No | Yes |
Aperture |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Maximum Aperture | F2,8 | F2,8 |
| Diaphragm Blades | No information | No information |
Optics |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Construction | 16 elements / 14 groups | 10 elements / 9 groups |
| Special Elements/Coatings | No information | No information |
Focal Length |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Focal Length | 28-75 mm | 50 mm |
| Zoom Range | 47 mm | None (Prime lens) No Zoom available. |
| Built-in Teleconverter | No | No |
| Teleconverter Multiplier | N/A | N/A |
| Image Stabilization | No | No |
| Image Stabilization CIPA Rating | N/A | N/A |
Physical |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Weather Sealing | No | No |
| Diameter | 73 mm | 71 mm |
| Length | 92 mm | 66 mm |
| Weight | 510 gr | 320 gr |
Other |
Tamron SP AF 28-75mm F2.8 XR Di Macro (motorized) |
Sigma EX 50mm F2.8 DG Macro |
| Filter Type | Filter Thread | Filter Thread |
| Filter Diameter | 67 mm | 55 mm |
| Lens Hood | Included | Included |
| Lens Hood SKU | DA09 | LH550-02 346 |
| Tripod Collar | N/A | N/A |
| Tripod Collar SKU | N/A | N/A |
| Other | Model A09NII , adds autofocusmotor to Nikon cameras. Canon-owner get similar performance with the older model with the same name. |
