Sigma Pentax K Telephoto Zoom

70-200mm f/2.8 DG OS HSM Sport

70-200mm
f/2.8
Telephoto Zoom
Stabilized
Min focus 1.2 m

Quick answer

The Sigma 70-200mm f/2.8 DG OS HSM Sport is a standard to telephoto telephoto zoom lens covering 70-200mm at f/2.8 for the Pentax K mount. Its bright maximum aperture handles indoor and evening light reasonably well.

About this lens

A 70-200mm f/2.8 full-frame fast telephoto zoom lens, the Sigma 70-200mm f/2.8 DG OS HSM Sport is designed for Pentax K mount bodies, from the Sigma Sports line with Optical Stabilizer and Hyper Sonic Motor autofocus. A professional telephoto zoom from Sigma's Sports line with a constant f/2.8 aperture and Optical Stabilizer.

Sigma 70-200mm f/2.8 DG OS HSM Sport specifications

Brand: Sigma
Mount: Pentax K
Focal length: 70-200mm
Maximum aperture: f/2.8
Lens type: Telephoto Zoom
Format coverage: full-frame
Optical construction: 24 elements in 22 groups
Aperture blades: 11
Image stabilization: Yes
Autofocus motor: HSM
Minimum focus distance: 1.2 m
Maximum magnification: 0.21x
Filter thread: 82 mm
Length: 202.9 mm
Diameter: 94.2 mm

Specification source: sigmaphoto.com

What can you shoot with the Sigma 70-200mm f/2.8 DG OS HSM Sport?

At 70-200mm this is a standard to telephoto telephoto zoom, which typically suits:

Everyday and street photography
Natural-perspective portraits
Documentary and travel work
Portraits with a flattering perspective
Events and weddings

Its bright maximum aperture handles indoor and evening light reasonably well.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor	Crop	Equivalent	Horizontal FOV	Diagonal FOV
Full frame	1.0x	70–200mm	10.3–28.8°	12.3–34.3°
APS-C	1.5x	105–300mm	6.9–19.5°	8.2–23.3°

Try the field-of-view calculator

Frequently asked questions

What mount does the Sigma 70-200mm f/2.8 DG OS HSM Sport use?

It uses the Pentax K mount, so it fits Pentax K cameras directly.

What is the focal length of the Sigma 70-200mm f/2.8 DG OS HSM Sport?

It zooms across 70-200mm with a maximum aperture of f/2.8. That makes it a standard to telephoto lens.

Is the Sigma 70-200mm f/2.8 DG OS HSM Sport a prime or a zoom lens?

It is a zoom lens covering 70-200mm, so you can reframe without moving. Its maximum aperture is f/2.8.

What is the Sigma 70-200mm f/2.8 DG OS HSM Sport equivalent on a crop sensor?

On APS-C (1.5x crop) it frames like 105–300mm on full frame, with a 6.9–19.5° horizontal and 8.2–23.3° diagonal field of view. These figures are calculated from the focal length and crop factor.