Sigma EX 17-50mm F2.8 DC OS HSM vs Sigma 18-50mm F3.5-5.6 DC
This is a full comparison between the lenses Sigma EX 17-50mm F2.8 DC OS HSM and Sigma 18-50mm F3.5-5.6 DC .
Compare Specifications
Product |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Name | Sigma EX 17-50mm F2.8 DC OS HSM | Sigma 18-50mm F3.5-5.6 DC |
| Manufacturer | Sigma | Sigma |
| SKU | ||
Release Date and Price |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Release Year | 2010 | 2005 |
| Release Date | ||
| MSRP | 980 USD | N/A |
| Buy it today |
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Lens Type |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Lens Type | Standard / Normal | Standard / Normal |
| Zoom or Prime | Zoom lens | Zoom lens |
Mount and Compatibility |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Mount | Canon EF-SNikon F | Canon EF-SNikon F |
| Designed for APS-C sensor | Yes | Yes |
Focus |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| 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 18-50mm F3.5-5.6 DC |
| Motor Type | No information | N/A |
| Focus Method | No information | No information |
| Closest Focusing Distance | 28 cm | 25 cm |
| Maximum Magnification | ||
Aperture |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Maximum Aperture | F2,8 |
F3,5-5,6
This lens has a variable aperture at different focal lengths. F3,5 at 18 mm F5,6 at 50 mm Variable Aperture |
| Diaphragm Blades | No information | No information |
Optics |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Construction | 17 elements / 13 groups | 8 elements / 8 groups |
| Special Elements/Coatings | No information | No information |
Focal Length |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Focal Length | 17-50 mm | 18-50 mm |
| Zoom Range | 33 mm | 32 mm |
| Built-in Teleconverter | No | No |
| Teleconverter Multiplier | N/A | N/A |
| Image Stabilization |
Yes
OS |
No |
| Image Stabilization CIPA Rating | N/A | N/A |
Physical |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Weather Sealing | No | No |
| Diameter | 83 mm | 67 mm |
| Length | 91 mm | 62 mm |
| Weight | 565 gr | 250 gr |
Other |
Sigma EX 17-50mm F2.8 DC OS HSM |
Sigma 18-50mm F3.5-5.6 DC |
| Filter Type | Filter Thread | Filter Thread |
| Filter Diameter | 77 mm | 58 mm |
| Lens Hood | Included | Included |
| Lens Hood SKU | LH825-03 583 | N/A |
| Tripod Collar | N/A | N/A |
| Tripod Collar SKU | N/A | N/A |