Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM (Pentax)

The Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM gives you the option to add something totally different to your photography. This lens is capable of creating circular images giving you the ability to capture entire landscapes.

The 4.5mm F2.8 EX DC Circular Fisheye HSM has the advantage of a large maximum aperture allowing you to use relatively fast shutter speeds. This can be a big help to you in challenging light.

Sigma have used a special coating to reduce any lens flare. They have also added in an HSM (Hyper Sonic Motor). This gives you faster focusing times.

Specialist Subject: Fisheye Photography


Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM


Lens Type: Fisheye

Focal Length: 4mm

Maximum Aperture: f/2.8

Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM Specification

Lens Type

Fisheye

Minimum Focal Length

4mm

Maximum Focal Length

4mm

Maximum Aperture

f/2.8

Lens Mount

Pentax

Construction Elements

9/13

Blades

6

Closest Focusing Distance

13.5

Image Stabilisation

No

Filter Size

Rear Insertion

Dimensions

76.2 x 77.8mm

Weight

470g

Similar Specifications

Sigma 10mm F2.8 EX DC Fisheye HSM

Sigma 15mm F2.8 DG Diagonal Fisheye

Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM

Sigma 8mm F3.5 EX DG Circular Fisheye

Sigma Lenses




Specifications are subject to change without notice.

Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM Specification