Product Code: 21740

Pentax SMCP-DA 17-70mm F4 AL (IF) SDM AF Lens for Digital SLR

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Manufacturer Code: 21740
027075141223 UPC : 027075141223
Brand:  Pentax
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Pentax SMCP-DA 17-70mm F4 AL (IF) SDM Super Wide Angle Auto Focus Zoom Lens

The Pentax 17-70mm f/4 SMC DA AL [IF] SDM lens is designed for exclusive use with Pentax digital SLR cameras. This standard lens with extra zoom offers outstanding, well-balanced handling, and covers the most frequently used focal lengths between wide-angle and telephoto.
It is  ideal for a variety of shots including scenery, snapshot and portraiture.

This lens features a 4.1X zoom ratio covering wide-angle to moderate-telephoto ranges, and covers a focal-length range from 26mm wide angle to 107mm telephoto in the 35mm format. When mounted on a  DSLR camera body, the PENTAX-original SDM system driven by a built-in supersonic motor, which iss exceptionally smooth, quiet autofocus.

This lens is compatible with the K20D, K200D, K100D Super and K10D (with Ver. 1.30 or later firmware installed) and later PENTAX DSLR camera bodies. When mounted on other camera bodies, the focus mode is automatically switched to manual.

This Pentax 17-70mm lens also features PENTAX SP (Super Protect) coating that protects the exposed lens elements and repels dust, water and grease. It also features a Quick-shift Focus System that allows instant switching from auto to manual focus with a turn of the focus ring.

Important features of this lens include:
Exceptional Image Clarity
Two hybrid aspherical (AL) optical elements, yields exceptional image quality while effectively compensating for various aberrations.

Maximum Aperture of 4 throughout Zoom Range
With a maximum aperture of f/4 over the entire zoom range, the lens allows photographers to use higher shutter speeds to minimize camera shake (especially in telephoto applications) or reduce the depth of field to intentionally throw the background out of focus.

Close Minimum Focusing Distance
This lens offers a minimum focusing distance of 11 inches (0.28 meters) over the entire zoom range, and an Inner-Focus (IF) optical design that eliminates lens extension and retraction during focusing operation.

Digital SLR Optical Design
From lens coating to the positioning of optical elements, the lens optics are meticulously designed to optimize the lens's digital imaging characteristics. The image circle is perfectly proportioned to a PENTAX camera's image-sensor size.

SDM focusing only (body will not drive focus, must use with SDM capable camera or focus manually on a non-SDM capable camera), Quick-shift Focus, SP (Super Protect) Coating, Hood filter window

Specifications - Pentax 17-70mm SMCP-DA F4 IF Lens

F stop range Minimum F stop: 22


17 elements in 12 groups



Angle View -

79 - 23 (with Pentax camera body)

Aperture Control


Closest Focusing Distance

0.28m (0.92 ft.)

Maximum Magnification


Dimensions (Length x Diameter)

3.7" x 3.0" (93.5MM x 75mm)

Minimum Focusing Distance

0.66_ft (0.2_m)

Filter Size


Maximum Magnification



485g (17.1 oz.) without hood; 515g (18.2 oz.) with hood

Kit Content
Pentax 17-70mm F4  SMCP-DA IF AF Lens
Pentax Lens Hood
Pentax front & back caps
User Guide


For more information about, Pentax SMCP-DA 17-70mm F4 AL (IF) SDM AF Lens for Digital SLR website.
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Customer Reviews on Pentax SMCP-DA 17-70mm F4 AL (IF) SDM AF Lens for Digital SLR

5 out of 5 based on 1 reviews
Review by ,    ,    Customer Rating:   5 of 5 Stars!

Exellent lens and exellent service from Micrglobe - I ordered mondag from Denmark and the lens arrived wednesday!

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This product was added to our catalog on Saturday 13 September, 2008.