Lens construction (groups) 13 

Lens construction (elements) 18 

Number of aperture blades 8 (circular aperture) 

Minimum aperture 22 

Minimum focus distance (m) 0.45 

Maximum magnification (×) 0.23 

Filter diameter (mm) 77 

Maximum diameter x length (mm)x(mm) 83.5 X 107 

Mass (g) 670