- For easier Long Exposure images
- 3.5mm jack socket (cables not included, available here)
- Bluetooth connection to the NiSi ND Calculator app
- Auto power off if the Bluetooth connection has been idle for 30 minutes
- 10 meters range
- NiSi ND Calculator app for Android and iOS
- Waterproof
- Normal use up to 2 years of battery life
- CR2302 type of battery
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- Use two filters with no vignetting at 7mm
- Strong, light weight, easy to install
- No light leaks using filters
- Built in gasket to grip lens without damage
- Built in ‘lens-stop’ for perfect alignment
- Rear Security Plate for secure fitting