H&Y Filters RevoRing 37-49mm Variable Adapter for 52mm Filters Streak-Blue Chamonix provides film holders for

Chamonix provides film holders for every format

5- to 10-Stop Density Adjustment

The 45 wide angle bellows has a maximum draw of 250mm and is recommended for lenses 75mm and wider

Astrophotography: Highlighting stars and celestial objects with starburst effects

H&Y Filters RevoRing 37-49mm Variable Adapter for 52mm Filters Streak-Blue Chamonix provides film holders forH&Y Filters RevoRing 37 49mm Variable Adapter for 52mm Filters Key Features Size Adjustable Adapter Ring Fits 37 49mm Lens Filter Threads For 52mm Screw On Filters High Grade 6063 Aluminium Construction Threaded Outer Filter Ring Twist to Attach in Seconds The RevoRing 37 49mm Variable Adapter for 52mm Filters from H&Y Filters is a unique adapter ring to attach a 52mm filter on to a variety of lenses quickly. It features unique self retracting blade