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Sigma 105mm F2.8 EX DG Macro Lens
For Pentax K Mount
Macro capable with reproduction ratio of 1:1 or greater.
Fixed focal-length. No zoom.
Rectilinear are normal lenses that show straight lines as straight lines.
Thread size in milimeters for screw-on filters.58
Autofocus LensLens Description
The Sigma 105mm F2.8 EX DG Macro is a short telephoto prime designed for cameras with a Full-Frame sensor. This bright prime has a 105mm focal-length.
This prime lens focuses down to 32cm from the imaging plane, capturing subject with a maximum 1X magnification. The high manification of the Sigma 105mm F2.8 EX DG Macro allows it perform true macro photography. The lens supports autofocus and features a switch to disengage AF for focusing manually. While this lens is capable of AF, it does not have a built-in focus motor. It can only focus with a compatible camera body which features a mechanical AF-coupling.
The lens weighs 450g.
This version of the lens has a Pentax K mount. It directly attaches and is fully compatible with all Pentax K mount cameras with Full-Frame or smaller sensors. Sigma also makes this lens for Canon EF, Nikon F, Four-Thirds, Sony A and Sigma S mounts.
Focal-Range
Angle-Of-View
Maximum Aperture
Viewing Angle Range
Maximum Aperture
Magnification
Weight
Sigma 105mm F2.8 EX DG Macro Specifications
| Brand | Sigma | Model | 105mm F2.8 EX DG Macro |
|---|---|---|---|
| Mount | Max FLM | 1X | |
| Focal Length | 105mm | View Angle | 23° |
| Max Aperture | F/2.8 | Min Aperture | F/22 |
| Min Focus | 32cm | Magnification | 1X |
| Filter Size | 58mm | Aperture Blades | 8 |
| Size (D x L) | 74 x 95mm | Weight | 450g |
| Tilt | N / A | Shift | N / A |
| Stabilization | Protection | None | |
| Zoom Drive | N / A | Focus Drive | AF with MF Switch |
| Zoom Mechanism | N / A | Focus Mechanism | External |
| Hood | Bayonet | Focus Motor | External |
| Perspective | Rectilinear | Introduced | 2006-02-24 |
Similar Lenses For Pentax K Mount
Here are the newest lenses matching or exceeding major specifications of the Sigma 105mm F2.8 EX DG Macro. They cover the same focal-range with a similar aperture and are available for the same lens mount and imaging circle coverage.
Pentax HD D FA 100mm F/2.8 Macro AW
ZY Optics Mitakon Creator 85mm F/2.8 1-5X Super Macro
Venus Optics Laowa 100mm F/2.8 2:1 Ultra-Macro APO
Samyang 100mm F/2.8 ED UMC Macro
Tamron Di SP AF 90mm F/2.8 MACRO
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Sigma 105mm F/2.8 Facts
Macro capable with reproduction ratio of 1:1 or greater.Fixed focal-length. No zoom.Rectilinear are normal lenses that show straight lines as straight lines.Thread size in milimeters for screw-on filters.58Autofocus Lens| 105mm Focal-Length | F/2.8 Constant Aperture |
| 58mm Filter Thread | AF with MF Switch |
| Pentax K Mount | Full-Frame Coverage |
| 450g Lens Weight | 74 x 95mm (D x L) |
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