Breakthrough Photography Brass Step-Up Ring 72-77mm 10-roll α9 provides continuous tracking of

α9 provides continuous tracking of moving subjects for foolproof AF/AE while traditional SLRs can only challenge such AF/AE performance improvements

makes more efficient use of folded space by accommodating the centre column and head in between the folded tripod legs

Built-in Bluetooth®*** Capability

360° on two axes

It can record 30 or 60 frames per second

Breakthrough Photography Brass Step-Up Ring 72-77mm 10-roll α9 provides continuous tracking ofTo make the most durable step up ring, Breakthrough simply took the craftsmanship, build quality and durability of their professional filters, and adapted it to the step up ring. This step up ring is manufactured with brass and then a matte black electroplated finish is applied, which withstands corrosion and other abrasive elements often encountered in outdoor photography. The result of better construction and materials, combined with a proven design