Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM
$324 USD
No image available
Specifications
Basic Information
Mounts
EF - CanonF - NikonSA - SigmaK - PentaxA - Sony
Announced Date
November 13, 2007
Release Date
December 2007
MSRP At Launch
$899 USD
MPB Max Price
$324 USD
Weight
~470 g
Dimensions
Length~78mm
Diameter76.2mm
Optics
Lens Type
Prime
Focal Length
4.5mm(7mm equiv.)
Image Circle Size
APS-C
Magnification
0.16x
Minimum Focus Distance
0.44ft / 0.14m
Number of Elements
13
Number of Element Groups
9
Has Diffractive Optics
No
Aperture
Maximum Aperture
f/2.8
Minimum Aperture
f/22
Number of Diaphragm Blades
6
Has Rounded Diaphragm Blades
No
Focus
Has Autofocus
Yes
Focus Motor Type
Ultrasonic
Has AF/MF Switch
Yes
Has Focus Ring
No
Has Internal Focus
Yes
Front Element Rotates
No
Stabilization
Has Image Stabilization
No
Build & Controls
Mount Material
Metal
Has Weather Sealing
No
Filters
Accepts Filter Types
Rear Gel Slot
Accessories
Has Lens Hood
No
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Item CreatedJanuary 28, 2026
Last UpdatedLast month
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