Welcome to the NiSi Filters - ND exposure Calculator

Use the NiSi Filters Australia app to calculate your exposure time when using ND filters. Select your base/normal shutter speed before adding a filter. Select your filter and your new exposure time will be calculated. If your exposure time is over 30 seconds a timer will also be available to time your exposure.

NiSi Filters offer a complete square filter system, perfect for Landscape photographers looking for high quality and easy to use system. NiSi Square Filter Systems are available in 70mm for compacts and mirrorless, 100mm for most wide-angle lenses with standard filter threads, 150mm size for popular wide-angle lenses including Nikon 14-24mm f/2.8, Tamron 15-30mm f/2.8 and 180mm size for the ultra-wide-angle lenses including Canon 11-24mm f/4L.

All NiSi square filters are Nano coated and offer true to life colour through our IR technology. NiSi Filters are low reflection, are made from high definition Optical glass and offer double-sided waterproofing. By using neutral density filters the camera is vulnerable to infrared light which will cast the unwanted red colour to images. NiSi Filters have an added infrared protection coating layer to eliminate the infrared light through the lens to bring back the True to Life Colour.

What’s New

Version 9.4

We’ve added iPad support, so you can now use the NiSi exposure calculator full screen on your iPad!

Ratings and Reviews

2.0 out of 5
3 Ratings

3 Ratings

Jellybelly1960 ,

There seems to be a bug because it’s not showing the filter second and time it won’t swipe

Not working on my iPhone x

Ibobgob ,

Display screwed. Not a good ad for Nisi

Had some issues. Developer has corrected. Now works fine. Review updated.

Maxbook ,

Not working

Just stopped working all of a sudden. No values appear on the shutter speed or filter value sliders. Not good


Andrew Code
35.3 MB

Requires iOS 10.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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