• Focal length : F = 25mm
• Aperture type : 7 diaphragm blades/circular aperture diaphragm
• Maximum aperture : F1.7
• Minimum aperture value : F22
• Lens construction : 8 elements in 7 groups (2 aspherical lenses, 1 UHR Lens)
• In focus distance : 0.25m to ∞[from the focus distance reference line)
• Maximum image magnification : 0.14x
• Angle of view : 47˚
• Filter diameter : 46mm
• Max. diameter : Approx. 60.8mm
• Overall length : Approx. 52mm
• Mass (Weight) : Approx. 125g

That's all..