Multi-Focus Fresnel Lens
A combination of a magnifying glass and twenty five wide angle lenses. Produces a fascinating optical effect: while one layer magnifies, the wide angle lenses produce 25 smaller images, each from a slightly different perspective.
Groove spacing: 0.6 mm
Size: 256 x 177 mm
Focal lengths: +310 / -100 mm
Thickness: 0.47 mm
Groove spacing: 0.6 mm
Size: 256 x 177 mm
Focal lengths: +310 / -100 mm
Thickness: 0.47 mm
Producer: AstroMedia GmbH, Im Wirrigen 30, 45731 Waltrop, Germany, astromedia.de