Silverlog ND
ND Filter Exposure Calculator
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
Calculate corrected exposure times when using ND filters. Stack multiple filters and see the combined effect on your shutter speed.
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.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Updated for iOS 27, with the latest version of the app's frameworks. Everything works as before.
The developer, Simon Westgate, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Simon Westgate
- Size
- 42.2 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Nice One USD 0.99
- Actual Saint USD 29.99
- Absolute Hero USD 4.99
- Legend USD 2.99
- Guardian Angel USD 9.99
- Copyright
- © SilverLog 2026