Pentax SMC FA 31mm f/1.8

$1,297
31 mm
autofocus prime lens
f/1.8

reviewswhat are people saying


Rated 5 out of 5 stars by 31 users at B&H Photo Video

"A thing of beauty that takes stunning photos."

"The autofocus is fast and accurate and its size and weight balances out the K7 with or without the battery grip."

"ts heavier than other limiteds and the fixed hood is a little of pain for attaching filters."

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
41.8°
47mm
35mm equivalent focal length

Pros

The Pentax FA 31mm f/1.8 vs other Pentax K lenses

	Prime lens
	Typically very sharp

	Wide aperture
	f/1.8

The Pentax FA 31mm f/1.8 vs other Pentax K low light lenses

	Supports autofocus
	Easier to use

Cons

The Pentax FA 31mm f/1.8 vs other Pentax K lenses

	Poor macro
	1:6.2 (0.2x)

	Lacks a silent focus motor
	Louder and slower

	Poor telephoto lens
	31 mm

	Below average zoom range
	1x

Specifications

General

	Min focal length	31 mm
	Max focal length	31 mm	below average
	Zoom range	1x	below average
	Magnification	1:6.2 (0.2x)	below average
Aperture

	Wide minimum	f/1.8	above average
	Wide maximum	f/22
	Tele minimum	f/1.8	above average
	Tele maximum	f/22
Features

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

	Lens mount	Pentax K
	Length	69 mm	above average
	Diameter	66 mm
	Filter size	58 mm
	Weight	345 g
Angle of view

	Wide horizontal	41.7°
	Telephoto horizontal	41.7°
	Wide vertical	28.4°
	Telephoto vertical	28.4°
	Wide diagonal	49.1°
	Telephoto diagonal	49.1°

DiscussionWhat do you think about the Pentax SMC FA 31mm f/1.8 lens?

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Showing 1 comments

SunKyong Kim

(0:50 AM, December 22, 2010)

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Pentax SMC FA 31mm f/1.8

reviewswhat are people saying

compatibilitywith digital cameras

APS-C (1.5x crop factor)

Pros

The Pentax FA 31mm f/1.8 vs other Pentax K lenses

The Pentax FA 31mm f/1.8 vs other Pentax K low light lenses

Cons

The Pentax FA 31mm f/1.8 vs other Pentax K lenses

Specifications

General

Aperture

Features

Form factor

Angle of view

DiscussionWhat do you think about the Pentax SMC FA 31mm f/1.8 lens?

Showing 1 comments