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Photo 0of Pentax 03 Fish-Eye 1/1.7" Lens (2011)Photo 1of Pentax 03 Fish-Eye 1/1.7" Lens (2011)

Product Overview

Pentax 03 Fish-Eye is a manual-focus ultra wide-angle fisheye lens for Pentax Q-mount. It covers the 1/1.7" image circle. Introduced by Pentax in 2011, it has 6 elements in 5 groups.
As part of the "toy lens" lineup, the 03 Fish-Eye offers a unique 173-degree field of view, which at the time of its launch was quite rare on a cheap digital camera. It opened up a range of creative opportunities.

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Ratings

What we found**

Neo score 50% (not directly comparable across industries)
Pros
  • Extremely light and compact
  • 173°FOV
Cons
  • Dark and fixed f/5.6 aperture
  • Not made for IQ

Price Comparison (incl. referral links)*

Specifications

Construction

Form Factor
Ultra Wide-Angle Prime Lens
Image Size
1/1.7"
Lens Barrel
Distance scale
Lens Mount
Pentax Q-mount
Material
Plastic mount
Optical Formula | Elements
6 elements
Optical Formula | Groups
5 groups

Dimensions

Size | Diameter
41 mm / 1.61 in
Size | Length
31 mm / 1.22 in
Weight
29 g / 1.02 oz

Function

Angle Of View
173° Diagonal (Q7)
Aperture
f/5.6
Autofocus
No
Crop Factor
4.6
Focal Length
3.2 mm
Focal Length (35mm Equivalent)
14.7 mm

Performance

Max Magnification
0.06x
Min Focus Distance
90 mm / 3.54 in

Production

Debut
2011-06-23

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User Reviews

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