FRONT LINE DATA GROUP

Brand	Owner	Address	Description
FRONTLINE DATA GROUP	CREATIVE MAILING & MARKETING	2 Executive Campus, Suite 200 Cherry Hill NJ 08002	FRONT LINE DATA GROUP;Data processing services for the direct mail industry;DATA GROUP;Programming services for the direct mail industry;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

An object of the present invention is to provide a fisheye lens, in spite of its compactness, having an angle of view of 180 degrees and a fast f-number of 2.8 with securing sufficient back focal length and suitable for a digital camera. The fisheye lens consists of a front lens group G1 having negative refractive power and a rear lens group G2 having positive refractive power locating with a space along the optical axis apart from the front lens group G1. The front lens group G1 includes a plurality of negative lens components, L1 and L2. The rear lens group G2 includes at least one cemented lens L5, and given conditional expressions are satisfied.