Sigma Zoom Telephoto 70-300mm f/4-5.6 DG Macro Autofocus Lens for Pentax AF

Model #509109

USA Version
Sigma 509109 1
Sigma 509109 1
Sigma 509109 6
Sigma 509109 5
Sigma 509109 2
Sigma 509109 3
Sigma 509109 4
Sigma 509109 7
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Specifications

Physical

Weight 18.7 oz (530 g)
Dimensions (dxl) Approx. 3.02 x 4.70" (7.66 x 11.95 cm)
Filter thread 58 mm

Performance

Groups/elements 10/14
Minimum focus distance 4.92' (149.86 cm)
Format compatibility 35mm Film / Full-Frame Digital Sensor
Pentax Digital (APS-C)
Magnification 1 - 2x
Maximum reproduction ratio 1:2
Angle of view 34.3° - 8.2°
Camera mount type Pentax K
Diaphragm blades 9
Aperture Maximum: f/4 - 5.6
Minimum: f/22 - 32
Focal length 70 - 300 mm

Features

Image stabilization No
Tripod collar No
Autofocus Yes
Expert Reviews
Photodo.33034400
16 September 2009

For someone who is on a tight budget, this lens, having been upgraded to DG (digitally optimised) status, seems to have closed the gap slightly on its more expensive sister. The usefulness of the lens is greatly added to with its ability to focus down to less than a metre and anyone wishing to...

  • +

    Reasonable optical performance for price., Good close focus ability (1:2), Light enough to carry all day., Price.

  • -

    Long extension when close focussed and zoomed., Front element and extension rotates during focussing, Performance drops off at longer focal lengths.

User Reviews
B h photo.32817553
19 January 2016
8.0/10

Positivo: Ótimo custo Foco Preciso Zoon e macro dentro do esperado Negativo: Peso um pouco elevado Barulho do Motor de Foco Na media é um bom investimento.

  • +

    Fast / accurate auto-focus, Strong Construction

  • -

    Heavy

Adorama.32830004
1 July 2014
8.0/10

This is the second of this particular lens I have purchased, and for the price it is certainly worth it.After I dropped my lens, I had considered several others that were considerably more expensive and faster, but after careful consideration I chose to got with this lens, considering all the great...

  • +

    Consistent Output, Durable, Easily Interchangeable, Lightweight, Nice Bokeh

  • -

    Poor in Low Light, Slow Focus

Souq.34364306
9 January 2016
10/10

very good and secure packaging......item just what we needed

  • +

    ad advertised

  • -

    nothing

Amazon.32817384
13 November 2015
4.0/10

The lens got stuck on my camera and was very difficult to detach. Also, excessive coloring around the edges of pictures reduces the quality of pictures.

Overstock.32817770
2 September 2015
10/10

Fits on my nikon and is great at a lower price.

Newegg.34207442
9 October 2008
8.0/10

Don't knock a lens just because you haven't learned enough about your camera and how it does or doesn't work with Nikkor and/or 3rd party lenses.

  • +

    This lens does have a very wide focal range and is a very decent medium-grade lens. This lens uses your CAMERA'S auto focus motor so do not expect this lens to focus if you have a consumer camera such as a Nikon D40 or similar.

  • -

    None really. You get what you pay for. There is MUCH nicer glass out there but you will obviously pay more for it.

Photography review.32822891
7 July 2008
10/10

Brilliant lens for the money, great macro lens with quick focus

Product Highlights
  • For Pentax Cameras
  • Zoom Telephoto
  • Maximum Magnification of 1:2
  • 9-Blade Diaphragm
  • Special Low Dispersion Glass Elements
  • Lightweight (18.7 oz)
  • Lens Hood Included
1.0/10
Average Expert Score
8.7/10
Average User Score
In The Box
  • Sigma 70-300mm f/4-5.6 DG Macro Lens for Pentax AF
  • Front & Rear Lens Caps
  • Hood
  • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
  • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
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