Teleconverter series sony vcl suitable for sony hdr cx 505ve sony hdr cx 520ve sony hdr cx 11e sony hdr hc 9e sony hdr xr 500ve sony hdr xr 520ve magnification 17 x suitable for camcorderaction cam type sony hdr lens mount universal thread diameter 37 mm area of use animal photography sports photography astrophotography length 33 mm colour black