ProOPTIC 77mm Variable Neutral Density Filter 2 to 8 Stops

77 mm variable neutral density filter

The ProOPTIC 77 mm Variable Neutral Density Filter fits any lens with a 77 mm thread, from analog film cameras to digital SLRs. It provides continuous light control from approximately ND2 (0.6) to ND8 (2.4) stops. Photographers and videographers use it to keep preferred apertures or lower ISOs in bright conditions without swapping fixed filters.

Optical density and colour fidelity

The filter reduces visible light wavelengths equally across a range of roughly 0.39 % to full transmission, preserving colour balance and sharpness. Rotating the front element adjusts the polarising layers to dial in the exact density required. This lets users maintain creative exposure settings while avoiding over-exposure in harsh sunlight.

Thread-mount workflow

The 77 mm thread mounts directly to the lens front, adding minimal bulk for run-and-gun shooting. It replaces larger matte boxes and delicate gel filters, freeing up bag space and setup time. A single filter covers the full ND2-to-ND8 range, so there is no need to carry multiple fixed densities for changing light.