Promaster 4565 37mm Variable ND Digital HGX Filter Lavalier Mics A Nano USM is used

A Nano USM is used for floating focus and a Voice Coil Motor (VCM) for rear focus which allows for quiet independant or synchronized actuation at high speed

Micro Compact Digital

4" long and feels perfectly balanced attached to a compact APS-C mirrorless camera body

and the maximum magnification ratio is 1:2

Promaster 4565 37mm Variable ND Digital HGX Filter Lavalier Mics A Nano USM is usedFeatures: The ProMaster Digital HGX Variable Neutral Density Filter variable neutral density filter providing light reduction of about 1. 3 to 8. 6 stops. The ND3 to ND400 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. ProMaster Digital HGX filters are the most advanced optical filters available today for digital photography featuring: Next Generation