Lens Construction

13 elements in 12 groups (3 aspherical lenses, 1 UED lens, 3 ED lenses, 1 UHR lens)

Mount L-Mount
Focal Length f=18mm
Aperture Type

9 diaphragm blades / Circular aperture diaphragm

Maximum Aperture F1.8
Minimum Aperture F16
Closest Focusing Distance 0.18m / 0.59ft
Maximum Magnification 0.20x
Diagonal Angle of View 100°
Dust and Splash Resistant

Yes* *Dust and Splash Resistant does not guarantee that damage will not occur if this lens is subjected to direct contact with dust and water.

Recommended Operating Temperature -10℃ to 40℃ (14℉ to 104℉)
Filter Size φ67mm
Max. Diameter φ73.6mm / 2.90inch
Overall Length

Approx. 82.0mm / 3.23inch (from the tip of the lens to the base side of the lens mount)


Approx. 340g / 0.75lb (excluding lens cap, lens rear cap and lens hood)

Standard Accessories Lens cap, Lens rear cap, Lens hood