Sigma 15mm f/2.8 EX DG Pentax-k

$609
15 mm
autofocus prime lens
f/2.8
Fisheye circular wide angle

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
93.1°
23mm
35mm equivalent focal length

Pros

The Sigma 15mm f/2.8 EX DG Pentax-k vs other Pentax K lenses

	Fisheye
	Extremely wide circular images

	Prime lens
	Typically very sharp

Cons

The Sigma 15mm f/2.8 EX DG Pentax-k vs other Pentax K lenses

	Poor telephoto lens
	15 mm

	Below average zoom range
	1x

	Lacks a silent focus motor
	Louder and slower

Specifications

General

	Min focal length	15 mm	above average
	Max focal length	15 mm	below average
	Zoom range	1x	below average
	Magnification	1:3.8 (0.3x)
Aperture

	Wide minimum	f/2.8
	Wide maximum	f/22
	Tele minimum	f/2.8	above average
	Tele maximum	f/22
Features

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

	Lens mount	Pentax K
	Length	65 mm	above average
	Diameter	73 mm
	Filter size	Unknown
	Weight	370 g
Angle of view

	Wide horizontal	92.6°	above average
	Telephoto horizontal	92.6°	below average
	Wide vertical	60.7°	above average
	Telephoto vertical	60.7°	below average
	Wide diagonal	112.8°	above average
	Telephoto diagonal	112.8°	below average

DiscussionWhat do you think about the Sigma 15mm f/2.8 EX DG Pentax-k lens?

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Sigma 15mm f/2.8 EX DG Pentax-k

compatibilitywith digital cameras

APS-C (1.5x crop factor)

Pros

The Sigma 15mm f/2.8 EX DG Pentax-k vs other Pentax K lenses

Cons

The Sigma 15mm f/2.8 EX DG Pentax-k vs other Pentax K lenses

Specifications

General

Aperture

Features

Form factor

Angle of view

DiscussionWhat do you think about the Sigma 15mm f/2.8 EX DG Pentax-k lens?

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