This ultra-wide-angle lens has the shortest focal length in the L-series. Element 2 is an aspherical lens to correct distortion. Other aberrations such as astigmatism are also corrected, resulting in idea image quality. The lens has a fixed, petal-type hood and a gelatin filter holder at the rear.
|Lens Construction (group)||10|
|Lens Construction (element)||13|
|No. of Diaphragm Blades||5|
|Closest Focusing Distance (m) ||0.25|
|Maximum Magnifcation (x)||0.1|
|Filter Diameter (mm)||--|
|Maximum Diameter x Length (mm)||77 X 89|