Sigma 8mm F3.5 EX DG Circular Fisheye

SKU: 485

Large aperture F3.5 circular fisheye lens with close up capability, optimized for use with digital SLR cameras.

This circular fisheye lens produces circular images with an angle of view of 180° when attached to a full-frame digital SLR or 35mm film SLR camera. It has a fast maximum aperture of F3.5 and a minimum focusing distance of 13.5cm. Sigma’s super multi-layer coating and Special Low Dispersion (SLD) glass provide excellent image quality for digital and film SLR cameras. The special fisheye design allows maximum creative expression.

* Full circle can only be captured with full frame 35mm format digital SLR and film SLR cameras.

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  • Warranty 1 year
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Overview

Angle of view

Mount

,

Lens type

Prime / Zoom

System type

Sensor format

Status

Description

Sigma 8mm F3.5 EX DG Circular Fisheye

Auto-focus system

This circular fisheye lens produces circular images with an angle of view of 180°and also incorporates an auto focus system to achieve accurate focusing that might be difficult through the camera`s viewfinder due to the extremely large depth of field.

Reduction of flare and ghosting

Sigma 8mm F3.5 EX DG Circular Fisheye 2

Sigma’s super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras and also creates an optimum color balance.

F3.5 maximum aperture

This lens is perfectly suited for low light conditions indoors or at dusk.

Close-up Photography

This circular fisheye lens has a minimum focusing distance of 13.5cm (5.3″) and a maximum magnification of 1:4.6 making it particularly useful for close-up photography.

An ideal lens for scientific applications

Due to the quantifiable angle/area relationship it produces, this lens can be used for scientific applications such as solid angle measurements of cloud distribution over the sky, or vegetation distribution of the rain forest canopy.

Excellent optical performance

Special Low Dispersion (SLD) glass offer effective compensation of color aberration.

Gelatin Filter Holder

A holder at the rear of the lens accepts gelatin filters.

Lens Construction

Sigma 8mm F3.5 EX DG Circular Fisheye Lens Construction

MTF Chart

Sigma 8mm F3.5 EX DG Circular Fisheye MTF CHART

Specifications

SpecificationDetails
Lens Construction11 elements in 6 groups
Angle of View180°
Number of Diaphragm Blades6 Blades
Minimum ApertureF22
Minimum Focusing Distance13.5cm
Maximum Magnification Ratio1:4.6
Filter SizeRear (Gelatin filter)
Dimensions (Diameter × Length)⌀73.5mm × 68.6mm
Weight400g
Supplied AccessoriesLens case
Mount / Product BarcodeCanon EF mount: 485927 (discontinued)
Nikon F mount: 485959 (discontinued)

* Nikon F mount does not have an aperture ring, therefore depending on Camera model some functions may not work.

Overview

Angle of view

Mount

,

Lens type

Prime / Zoom

System type

Sensor format

Status

Customer Reviews