Sigma 70-300mm f/4-5.6 DG OS Pentax-k

$399
70-300 mm
autofocus 4.3x zoom lens
f/4-5.6
variable aperture Sigma OS Image stabilized

reviewswhat are people saying


Rated 5 out of 5 stars by 2 users at B&H Photo Video

"I use this lense on my Pentax K20D camera and it works excellent. "

"I like to work with it for anxious, aloof or dangerous animal takings since it allows prudent distances. It is a good complement for an objective 18-70 or 28-70"

compatibilitywith digital cameras

APS-C (1.5x crop factor)

This lens is compatible with APS-C (1.5x crop factor) cameras such as the Pentax K-30, Pentax K-5 and Pentax K-5 II.

horizontal angle of view
19.2 - 4.5°
106.5-455.5mm
35mm equivalent focal length

Pros

The Sigma 70-300mm f/4-5.6 DG OS Pentax-k vs other Pentax K lenses

	Telephoto lens
	300 mm

	More advanced image stabilization
	Sigma OS

Cons

The Sigma 70-300mm f/4-5.6 DG OS Pentax-k vs other Pentax K lenses

	Variable aperture
	Narrower aperture at longer focal lengths

	Narrow aperture
	f/4

	Zoom lens
	Typically not as sharp as prime lenses

	Low max f/stop
	f/5.6

The Sigma 70-300mm f/4-5.6 DG OS Pentax-k vs other Pentax K wildlife lenses

	Lacks a silent focus motor
	Louder and slower

Specifications

General

	Min focal length	70 mm
	Max focal length	300 mm	above average
	Zoom range	4.3x
	Magnification	1:3.9 (0.3x)
Aperture

	Wide minimum	f/4	below average
	Wide maximum	f/5.6	below average
	Tele minimum	f/5.6	below average
	Tele maximum	f/5.6	below average
Features

	Auto focus	Yes
	Focus motor	None	below average
	Image stabilization	Sigma OS	above average
	Fisheye	No
	Tilt-shift	No
Form factor

	Lens mount	Pentax K
	Length	127 mm
	Diameter	77 mm
	Filter size	62 mm
	Weight	0.6 kg
Angle of view

	Wide horizontal	19.1°	below average
	Telephoto horizontal	4.5°	above average
	Wide vertical	12.8°	below average
	Telephoto vertical	3°	above average
	Wide diagonal	22.9°	below average
	Telephoto diagonal	5.4°	above average

DiscussionWhat do you think about the Sigma 70-300mm f/4-5.6 DG OS Pentax-k lens?

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Sigma 70-300mm f/4-5.6 DG OS Pentax-k

reviewswhat are people saying

compatibilitywith digital cameras

APS-C (1.5x crop factor)

Pros

The Sigma 70-300mm f/4-5.6 DG OS Pentax-k vs other Pentax K lenses

Cons

The Sigma 70-300mm f/4-5.6 DG OS Pentax-k vs other Pentax K lenses

The Sigma 70-300mm f/4-5.6 DG OS Pentax-k vs other Pentax K wildlife lenses

Specifications

General

Aperture

Features

Form factor

Angle of view

DiscussionWhat do you think about the Sigma 70-300mm f/4-5.6 DG OS Pentax-k lens?

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