Promaster 9315 55mm Variable ND Digital HGX Filter (1.3-8.6 Stops) Rig Accessories The speedlight's multi-brand TTL compatibility

The speedlight's multi-brand TTL compatibility is one of its distinctive features

which pairs with the DIGIC 8 image processor to realize especially fast focusing performance

while two focus hold buttons provide convenient access for horizontal or vertical shooting

External loops let you carry the cube with any Peak Design strap (sold separately)

Promaster 9315 55mm Variable ND Digital HGX Filter (1.3-8.6 Stops) Rig Accessories The speedlight's multi-brand TTL compatibilityFeatures: 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