An ultra wide angle, good speed, a must for photographers, who shooting in very tight space.
	F2 Photomic speed 1/125, 15mm f:5.6 at f:11, ASA64

S p e c i f i c a t i o n s Lens Contraction 14 elements, 12 groups Angular Field 110 degrees  Minimum Focus 0.3m (1 ft) Diaphragm action Fully automatic F-stop scale f5.6-8-11-16-22 Filter Size built-in L1A, Y48, O56, R60 Lens hood built-in Weight 700 grams (24.7oz) Lens size 92x88.5mm(3.5/8x3 1/2 in) Lens case CL-26 Lens cap snap on type