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

Model: 508109

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Specifications

Physical

Filter thread 58 mm
Weight 19.4 oz (550 g)
Dimensions (dxl) Approx. 3.0 x 4.70" (7.62 x 11.95 cm)

Performance

Maximum reproduction ratio 1:2
Groups/elements 10/14
Diaphragm blades 9
Angle of view 34.3° - 8.2°
Minimum focus distance 59.1" (150.11 cm)
Format compatibility 35mm Film / Full-Frame Digital Sensor
Pentax Digital (APS-C)
Aperture Maximum: f/4 - 5.6
Minimum: f/22 - 32
Focal length 70 - 300 mm
Camera mount type Pentax K
Magnification 1 - 2x

Features

Autofocus Yes
Tripod collar No
Image stabilization No
Expert Reviews
Photozone de.34752480
19 November 2017
4.3/10

The Sigma AF 70-300mm f/4-5.6 DG APO macro came close to a surprise but it still hasn´t won the cigar. It delivered pretty decent results in most aspects, specifically at 70mm and 200mm, but at 300mm the border resolution is nothing short of dismal - certainly not apochromatic as claimed by Sigma...

User Reviews
2 June 2017
8.0/10

Enjoy Using Lens for capturing small game while sitting in my car Birds are on my watchful eyes. I take my camera with my Sigma Lens to the Little League and get excellent range sitting in the bleachers watching the youth of America play baseball.

6 August 2007
10/10

As per usual, screw a filter on the end to protect the lens.

  • +

    Focuses great - sharp and relatively quick. Doesn't feel very heavy around the neck for a big lens, I can use it for hours before I need a break. Works great for shooting wildlife, portraits and landscapes. The price is great.

  • -

    None.

19 February 2017
6.0/10

This lens delivers awesome, tack sharp photos, but the lens is very poorly constructed and terribly fragile, with the auto focus extremely vulnerable to damage and locking up thereafter. I have now had two of these lenses fail me within the past two years, the second lasting only six months.

7 February 2017
8.0/10

There's no doubt this lens is the best bang for the buck. The image quality is equal to the Sony lens that came with my camera.

24 December 2015
10/10

I bought this lens before a wedding in order to catch the expressions of the guests from afar. The controls are easy and the auto-focus rapid. Even in low light, the pictures were crisp.The price/performance is superb.

21 July 2015
8.0/10

I use this lens for landscape, wildlife and trains in motion. I use a tripod at all times with this lens. I do not miss a vibration reduction as you can't use that feature with a tripod. The money I saved went to a road trip. It takes a nice sharp picture and easy to read settings.

15 July 2015
8.0/10

This is a great lens which may be picked up on a budget. Good telephoto and starter lens for those interested in macro photography. After using this lens for a week, I was very pleased with the sharpness and colors produced.

25 June 2015
8.0/10

I bought this lens to replace the exact same lens. Works great for telephoto and for macro use. For a 300mm lens, I really love it.

1 June 2015
10/10

I didn't know what kind of photos I was going to get with the lens at this price but it was the best investment ever!!! When I take photos and show them to other people they don't believe the price I paid for the Lens. Works well and gets the job done with great quality photos!!

27 May 2015
8.0/10

My first Sigma lens, I am glad I took the leap. When steadied it takes crisp clear shots at all zoom ranges with adequate lighting. The Macro feature of the lens works nicely also.

Product Highlights
  • For Pentax Cameras
  • Zoom Telephoto
  • Maximum Magnification of 1:2
  • 9-Blade Diaphragm
  • Lightweight (19.4 oz)
  • Lens Hood Included
5.4/10
Average Expert Score
8.6/10
Average User Score
In The Box
  • Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF
  • Front & Rear Lens Caps
  • Lens Hood
  • Soft Lens Case
  • 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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