Focal length 

25 mm 

Aperture range 

f/2 – f/22 

Lens elements / groups 

10/8 

Focusing range 

0,2 m (0,65 ft) – infinity 

Working distance 

0.13 m (0.42 ft) – infinity 

Image field (diag. / horiz. / vert.) 

82°/ 72°/ 51° 

Image circle diameter 

43.3 mm (1.7 ″) 

Object field at minimum object distance** 

12.4 x 18.7 cm (4.9 x 7.4 ″) 

Magnification ratio at minimum object distance 

1/5.2 

Filter thread 

M67 x 0.75 

Diameter (max.) 

81 mm (3.2 ″) 

Diameter of the focusing ring 

78 mm (3.1 ″) 

Length (without lens caps) 

78 mm (3.1 ″) 

Length (with lens caps) 

92 mm (3.6 ″) 

Weight (without lens caps) 

335 g (0.74 lbs) 

Camera mounts 

E-mount