Introduction

This lens offers a large aperture of F4-5.6 over its entire range of focal lengths and its large depth of field offers greater freedom of creative expression. This lens is perfectly suited for low light conditions indoors or at dusk. It covers wide angle to medium telephoto and is ideally suited to a wide range of subjects. It is an ideal large aperture standard zoom lens for digital SLR cameras featuring APS-C size image sensor.
EX Lens Series; Excellence Of Engineering And New Technology.

The characteristics of digital SLR cameras were taken into consideration when designing the lens power layout. A Special Low Dispersion (SLD) glass lens element provides effective compensation for lateral chromatic aberration, which is likely to occur with digital SLR cameras. The use of two aspherical lens elements provides correction for various aberrations and makes high quality images a reality throughout the entire zoom range.
Compact And Lightweight, Yet Robust

A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations. The design produces a compact and lightweight, yet robust, construction with an overall length of 81mm (3.2") and maximum diameter of 83.5mm (3.3").
Most Appropriate Coating for Digital Products

Super Multi Layer (SML) coating gives the best color balance and reduces flare and ghosting from which digital cameras tend to suffer.
Minimum Focusing Distance of 45cm (17.7") throughout the entire zoom range

This lens has a minimum focusing distance of 24cm (9.4") throughout the entire zoom range which is very convenient for close-up photography.
Inner Focus System

The lens is equipped with an inner focusing system. The non-rotating front lens element makes the lens suitable for using its petal-type lens hood and circular polarizing filters.
New Optical Design Effectively Reduces Vignetting

This lens has excellent correction for vignetting which is a common problem of large aperture lenses. Its new design ensures superior peripheral brightness.
Specifications:

• Focal Length: 10-20mm
• Minimum Aperture: F22
• Lens Construction: 14 Elements in 10 Groups
• Angle of View: 102.4°- 63.8°
• Number of Diaphragm Blades: 6pcs
• Minimum Focusing Distance: 24cm (9.4")
• Maximum Magnification: 1:6.7
• Filter Size: 77mm
• Lens Hood: Petal Hood
• Dimensions: Diameter 83.5mm (3.3")X Length 81mm (3.2")
• Weight: TBD