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This adapter allows you to easily connect Canon EOS DSLR cameras with EF lens mount to telescopes and accessories with an M48 x 0.75 thread. The optical thickness is 11mm (without the male thread taken into account). When combined with the EF mount's flange distance of 44mm, gives the correct total back focus of 55mm.

Compatible cameras:  Canon 1D series, 5D series, 6D, 7D, 10D, 20D, 20Da, 30D, 40D, 50D, 60D, 60Da, 70D,  100D, 300D, 350D, 400D, 450D, 500D, 550D, 600D, 650D, 700D, 1000D, 1100D, D30, D50, D60, Rebel, Rebel XT, Rebel XTi, Rebel XS, Rebel XSi, Rebel T1, Rebel T1i,  Rebel T2, Rebel T3i, Rebel T3i, Rebel T4, Rebel T4i, Rebel T5, Rebel T5i, X6i, SL1.



Connection (telescope side)
Female M48 x 0.75
Connection (camera side) Canon EOS EF lens mount
Optical thickness 11 mm (without male thread)
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