Flat Rate Shipping only $7.95!

Sigma AF 17-70mm F2.8-4.5 DC Macro Pentax Lens

Continue Shopping or Checkout

Availability: Low Stock

Category: CLEARANCE, Photography-Lenses-SLR-Lenses, sigma

Book a Demonstration
Request Commercial Quantities
Request a Price Match


Sigma Corporation is pleased to announce the launch of the new 17-70mm f/2.8-4.5 DC Macro lens. It can be used with wide variety of subjects and it is an ideal large aperture standard zoom lens for digital SLR cameras featuring an APS-C size image sensor.


This lens has a minimum focusing distance of 20cm (7.9") throughout the entire zoom range. Maximum magnification of 1:2.3 enables close-up photography like a macro lens. The new lens design and multi layer lens coating reduce flare and ghosting, which is a common problem with digital cameras. A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations and produce a high level of optical performance throughout the entire zoom range.


This lens offers a large aperture of f/2.8 at 17mm wide angle and yet it is compact, with an overall length of 82.5mm (3.2") and diameter of 79mm (3.1"). It performs superbly even in relatively low light conditions indoors or at dusk.


The lens design incorporates an inner focusing system, which ensures fast AF speed as well as prevents the front of the lens rotating, making it particularly suitable for use with circular polarizing filters and petal shaped lens hoods. This lens is also equipped with Zoom Lock Switch that eliminates "Zoom Creep" during transportation.


Note: Sigma has announced an HSM (Hyper-Sonic Motor) version of this lens for Nikon mount (which supports autofocus with D40 and D40x, as well as other Nikon DSLRs).

Name Sigma 17-70mm f/2.8-4.5 DC Macro
Image Circle APS-C
Type Standard Zoom
Focal Length 17 - 70mm
APS Equivalent 1.5x: 25.5 - 105mm; 1.6x: 27.2 - 112mm
Max Aperture f/2.8 - 4.5
Min Aperture f/22
Diaphragm Blades 7
Lens Construction 15 elements in 12 groups, including 1 SLD and 2 aspherical elements
Diagonal Angle of View
(Based on image circle) 72.4 to 20.2 degrees
Focus Details Internal
Front Element Rotation No
Zoom System Rotary with lock
Closest Focus 20cm / 7.9 in.
(Much closer? See Test Notes.)
Magnification Ratio 0.43x / 1:2.3
Filter Size 72mm
(Length x Diameter) 82.5mm x 79mm / 3.2 in. x 3.1 in.
Weight 455g / 16 oz
Notes Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax

Related Items