Sigma

Sigma 4.5mm f/2.8 EX DC HSM Fisheye Renewed

5.0 (1 reviews)
f/2.8

Capture Unique Perspectives with a Circular FisheyeThe Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens offers a unique perspective, capturing a full 180-degree view. Ideal for creative and experimental photography, this lens delivers sharpness and clarity in a compact design. Focal Length: 4....

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Overview

Capture Unique Perspectives with a Circular Fisheye

The Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens offers a unique perspective, capturing a full 180-degree view. Ideal for creative and experimental photography, this lens delivers sharpness and clarity in a compact design.

  • Focal Length: 4.5mm
  • Aperture: f/2.8
  • Mount: Canon Digital SLR
  • Minimum Focusing Distance: 13.5cm
  • Maximum Magnification: 1:6
  • Focus: HSM (Hyper Sonic Motor) with full-time manual focus override

Key Features

Fast F2.8 maximum aperture making it ideal for low light photography

Minimum focusing distance of 13.5cm and a maximum magnification of 1:6, Focal Length - 5 mm

Equisolid angle projection method is possible for art and scientific use

Equipped with HSM with full-time manual focus override

Specifications

Brand
Sigma
Lens Type
Fisheye
Focal Length
4.5mm
Maximum Aperture
f/2.8
Minimum Focusing Distance
13.5cm
Maximum Magnification
1:6
Focus Motor
HSM (Hyper Sonic Motor)

Pros & Cons

👍 Pros

  • The fast f/2.8 maximum aperture is ideal for low-light photography, allowing more light into the lens.
  • A minimum focusing distance of 13.5cm enables close-up shots with a wide perspective.
  • The equisolid angle projection method offers specialized utility for artistic and scientific image capture.
  • Equipped with a Hyper Sonic Motor (HSM) for fast, quiet, and accurate autofocus performance.
  • HSM also provides full-time manual focus override, allowing for precise adjustments even in autofocus mode.

👎 Cons

  • As a fisheye lens, it produces a distinct barrel distortion effect which may not be desired for all types of photography.
  • The focal length of 4.5mm is extremely wide and specialized, potentially limiting its general-purpose use.
  • The "Renewed" status implies it's not a brand-new unit, which might be a concern for some buyers regarding longevity or pristine condition.
  • Specific compatibility with camera mounts (e.g., Canon, Nikon, Sony) is not provided, requiring users to verify before purchase.
  • While ideal for low light, the fixed aperture may not offer the same versatility as zoom lenses in varying lighting conditions.

Frequently Asked Questions

The f/2.8 maximum aperture allows this lens to gather a significant amount of light, making it highly suitable for shooting in low-light conditions.
Yes, this lens is equipped with HSM (Hyper Sonic Motor) which provides full-time manual focus override, allowing for fine-tuning of focus at any moment.
The equisolid angle projection method offered by this lens makes it suitable for unique artistic applications and precise scientific use where specific geometric mapping is required.
This Sigma fisheye lens has a minimum focusing distance of 13.5cm, allowing for very close-up shots with a wide, distorted perspective.
"Renewed" indicates that the product has been inspected and restored to a working condition, but it is not a brand new item and may show some signs of prior use.