Sigma 8mm f/3.5 EX DG CIRC Sony-alpha

$899
8 mm
autofocus prime lens
f/3.5
Fisheye circular wide angle

compatibilitywith digital cameras

Full frame

This lens is compatible with Full frame cameras such as the Sony SLT-A99.

horizontal angle of view
180°
8mm
35mm equivalent focal length

APS-C (1.5x crop factor)

This lens is compatible with APS-C (1.5x crop factor) cameras such as the Sony SLT A57, Sony SLT A58 and Sony SLT-A37.

horizontal angle of view
189°
12.5mm
35mm equivalent focal length

Pros

The Sigma 8mm f/3.5 EX DG CIRC Sony-alpha vs other Sony Alpha (Full-frame) lenses

	Fisheye
	Extremely wide circular images

	Great wide angle lens
	8 mm

	Prime lens
	Typically very sharp

The Sigma 8mm f/3.5 EX DG CIRC Sony-alpha vs other Sony Alpha (Full-frame) fisheye lenses

	Supports autofocus
	Easier to use

Cons

The Sigma 8mm f/3.5 EX DG CIRC Sony-alpha vs other Sony Alpha (Full-frame) lenses

	Poor telephoto lens
	8 mm

	Lacks a silent focus motor
	Louder and slower

Specifications

General

	Min focal length	8 mm	above average
	Max focal length	8 mm	below average
	Zoom range	1x	below average
	Magnification	Unknown
Aperture

	Wide minimum	f/3.5
	Wide maximum	Unknown
	Tele minimum	f/3.5
	Tele maximum	Unknown
Features

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

	Lens mount	Sony Alpha (Full-frame)
	Length	Unknown
	Diameter	Unknown
	Filter size	Unknown
	Weight	Unknown
Angle of view

	Wide horizontal	180°	unique
	Telephoto horizontal	180°	below average
	Wide vertical	194.4°	unique
	Telephoto vertical	194.4°	below average
	Wide diagonal	180°	unique
	Telephoto diagonal	180°	below average
Angle of view (On Sony Alpha DT APS-C 1.5x crop cameras)

	Wide horizontal	190.1°	unique
	Telephoto horizontal	190.1°	below average
	Wide vertical	118.3°	unique
	Telephoto vertical	118.3°	below average
	Wide diagonal	180°	unique
	Telephoto diagonal	180°	below average

DiscussionWhat do you think about the Sigma 8mm f/3.5 EX DG CIRC Sony-alpha lens?

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Sigma 8mm f/3.5 EX DG CIRC Sony-alpha

compatibilitywith digital cameras

Full frame

APS-C (1.5x crop factor)

Pros

The Sigma 8mm f/3.5 EX DG CIRC Sony-alpha vs other Sony Alpha (Full-frame) lenses

The Sigma 8mm f/3.5 EX DG CIRC Sony-alpha vs other Sony Alpha (Full-frame) fisheye lenses

Cons

The Sigma 8mm f/3.5 EX DG CIRC Sony-alpha vs other Sony Alpha (Full-frame) lenses

Specifications

General

Aperture

Features

Form factor

Angle of view

Angle of view (On Sony Alpha DT APS-C 1.5x crop cameras)

DiscussionWhat do you think about the Sigma 8mm f/3.5 EX DG CIRC Sony-alpha lens?

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