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Dimensions of the Adapter are 60.5 mm diameter and 34 mm long. The adapter mounts on to the TF4XA-1 via the 30.5 mm external thread on the front of the prime. The Adapter has an M60 x 0.5 thread to the front to facilitate the mounting of filters. Please note that when measuring the performance of an adapter that works with a prime lens the MTF is measured as Angular Frequency in cycles per milliradian. In this instance 0.40 mr is equal to 100 cycles. The LE310 Wide Angle Adapter will increase the Horizontal FOV from 71° to a minimum of 95°. And for those that know it makes pure sense to include this new and exclusive to Polecam cost effective .7 Wide Angle Adapter to their systems for just £945, please contact or telephone +44 (0) 1234 855 222 to arrange for your purchase or demonstration adaptor KITPLUS - THE TV-BAY MAGAZINE: ISSUE 118 OCTOBER 2016 | 61