Olympus M.ZUIKO DIGITAL ED 9-18mm F4-5.6

{Description}
The M.Zuiko Digital ED 9–18mm F4–5.6 (18–36mm*) expands your lens system with an ultra-wide-angle zoom. It is extremely compact, weighing in at only 155g and with a total length of 49.5mm made possible by the retractable parking mechanism. But that's not all: you can easily create powerful effects of perspective or use it for excellent close-up shooting with a minimum distance of 25cm from the lens front.

{Specification}
Focal length
9-18mm (35mm equivalent focal length: 18-36mm)
Maximum / Minimum aperture
F4.0 (9mm) to F5.6 (18mm) / F22
Lens construction
12 elements in 8 groups (2 DSA lenses, aspherical lens, ED lens, HR lens, etc.)
Lens construction diagram
MTF chart
Angle of view
100°- 62°
Closest focusing distance
0.25m
Maximum image magnification
0.1x (35mm equivalent maximum image magnification: 0.2x)
Minimum field size
173 x 130mm
Number of diaphragm blades
7 (circular aperture diaphragm)
Filter size
Ø52mm
Mount standard
Micro Four Thirds System standard
Size: maximum diameter x length
Ø56.5 x 49.5mm
Weight
155g