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8mm F3.5
15mm F2.8
20mm F1.8
24mm F1.8
28mm F1.8
MTF Chart
MTF Chart guidezoom
Lens Construction
Specification
Lens Construction 11 Elements in 6 Groups
Angle of View 180 degrees
Number of Diaphragm Blades 6 Blades
Minimum Aperture F 22
Minimum Focusing Distance 13.5cm
Maximum Magnification 1:4.6
Filter Size Rear (Gelatin filter)
Dimensions Diameter 73.5mm X Length 68.6mm
Weight 400g
Corresponding AF Mounts
* Nikon and Pentax mount do not have an aperture ring, therefore depending on Camera model some functions may not work.
* The appearance and specifications are subject to change without notice.
* PENTAX SFX and SF7 cannot be used.

SIGMA,
CANON,
NIKON,
SONY,
PENTAX
Sony and Pentax mounts; Availability date not determined yet.
仕様
SIGMA 00-85126-48540-5
CANON 00-85126-48527-6
NIKON 00-85126-48559-7
SONY 00-85126-48534-4
PENTAX 00-85126-48560-3
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 (5.3”).  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.
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.

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.
Excellent optical performance

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

Reduction of flare and ghosting

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

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.

Gelatin Filter Holder

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

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