NSA T2 adapter enables you to connect any CMOS or CCD camera (with M48) thread to a Samyang 135mm F/2.0 Lens with a Canon fitting. It will allow enough room for a filter-wheel, Filter-drawer etc as long as you keep the back focus distance to sensor no greater than 44mm. Fitting the NSA Samyang camera adapter is nice and easy. Start by removing the three screws, swap the plates and re-use the same screws! Available Back focus with our NSA M48 adapter fitted is: 44mm. Adapter Thickness: 3.2mm M42,Thread Height: 4.5mm
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