ND Filter Calc vs Silverlog ND

A simple neutral density filter calculator for photographers. Has a count-down timer for shutter speeds of 3 seconds and above.

Silverlog ND calculates the corrected exposure time when using neutral density filters, including stacking multiple filters together. HOW IT WORKS Enter your base exposure without filters, then select one or more ND filters. Instantly see the corrected shutter speed accounting for the combined filter density. FEATURES • Single and stacked ND filter calculation • 16 filter strengths from ND2 (1 stop) to ND100000 (16.5 stops) • Shows combined stop reduction • ND number, stops and optical density reference • Base exposure input in standard shutter speed increments • Works offline — no internet connection needed • Clean, focused interface • Dark mode support USEFUL FOR • Long exposure photography with ND filters • Waterfall and seascape smooth water effects • Motion blur in daylight conditions • Stacking filters for extreme exposures Part of the Silverlog photography toolkit. No account required. No data collected.