Esser ESS-TE246 16:9 A360 The special star consists of four segments each with a different number of cycles. So it is possible to focus the wide angle and the tele photo position in an optimal adjustment of the focusing point. This is essential for adjusting the flange focal distance without a special collimator
The TE246 is a 4 Quadrant sector star Sizes: A360 Type: Reflectancy Picture Size WxH (mm) : 360 x 202.5 Chart Size WxHxD (mm) : 500 x 400 x 3.2 Please allow three weeks for delivery time on all Esser Charts.