Specifications

0.45X High Definition Professional wide angle Lens
High-index / low-dispersion optical glass
2 Elements in 2 Groups

This wide angles lens includes the following information:

1)0.45X High Definition Professional wide angle Lens
High-index / low-dispersion optical glass
2 Elements in 2 Groups 
IR Compatible
Fully multi-coated, every element
Anti-reflection coating
High speed auto-focus / Infrared compatible
Designed to maximize day and night shots by providing maximum light and image transmission with

minimum distortion Fantastic for all types of photographic situations
62mm rear threads, and 82mm front threads for Filters
2)Type:0.45x62mm,0.45x67mm,0.45x72mm,0.45x77mm
3)1pcs/high qualified box + cloth bag
4)Packing:50pcs