I now have two fish-eye lenses: the Pentax Q 03 3.2/5.6 (Pentax Q mount) and the Risespray 11/2.8 (Sony FE mount).
And I compared the angle of view of these lenses. The Risespray (at f/2.8) was mounted on the Sony a7c (FF), the Pentax Q 03 (at f/5.6) was mounted on the Pentax Q (1/2.3").
1.
(Risespray)
(Pentax Q 03)
2.
(Risespray)
(Pentax Q 03)
3.
(Risespray)
(Pentax Q 03)
As expected, the angle of view of the Pentax Q 03 is not as wide as that of the Risespray 11/2.8. The vertical angle is smaller, too, despite the Pentax Q's 4:3 aspect ratio.
See also related notes:
- Pentax Q 03 3.2/5.6 Fish-eye (2025-05-23)
- Risespray 11/2.8 Fisheye (for full-frame mirrorless cameras) (2023-08-14)
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