Blog

Why Are My Long Exposures Too Bright or Too Dark?

Most long exposure exposure errors come from wrong ND stop math, forgotten filters, or metering in the wrong mode. Diagnose the cause and fix it in th...

NiSi 75x100mm Graduated ND Filters: Choosing Your Stops

Pick the right graduated ND stop and edge for your landscape work. This guide covers 75x100mm GND filters, 3-stop vs 6-stop choices, and soft vs hard ...

How to Clean and Store NiSi Square Filters Safely

A step-by-step routine for cleaning NiSi square filters without scratches, plus storage habits that prevent fingerprints, dust, and coating damage.

NiSi 100mm ND Kit vs 100x100mm ND Filters: What to Buy

A 100mm ND kit gives you a magnetic holder, adapter ring, and room for graduated filters. Single 100x100mm NDs cost less and travel lighter. Here's ho...

Step-Up Rings and Adapter Rings: NiSi Sizing Guide

Match your lens thread to the right NiSi step-up or adapter ring the first time. A practical filter thread size guide with clear fit rules for S5, S6 ...

NiSi Natural Night Filter: Cutting Light Pollution Explained

Does a light pollution filter actually work for astrophotography? We separate the hype from the physics and show you when the NiSi Natural Night Filte...

How to Remove Vignetting With NiSi Filter Holders

Dark corners with a filter holder usually come from the wrong adapter ring, a misaligned holder, or a filter that is too thick. Here is how to diagnos...

How to Shoot Long Exposures with a 10 Stop ND Filter

Master 10-stop ND long exposures: step-by-step setup, exposure math, focus, and common mistakes. Includes a shutter speed chart and gear tips.

NiSi 150mm vs 100mm Filter Systems: Which to Buy?

Compare NiSi 150mm and 100mm filter systems by lens, cost, and workflow. Find out whether the S6 or V7 fits your wide-angle kit.

NiSi True Color CPL vs Standard CPL: What's Different

A standard CPL cuts glare but can warm or tint the whole frame. A NiSi True Color CPL keeps colours neutral. Here is how to pick between them.

NiSi JetMag Pro Magnetic Filters: Setup and Usage Tips

Learn how to set up and use the NiSi JetMag Pro magnetic filter system, from attaching the adaptor ring to stacking filters without vignetting.

NiSi Black Mist vs White Mist: Which Filter to Choose

Black Mist and White Mist both diffuse light, but they behave differently. Compare strength, use cases and mounting so you pick the right NiSi diffusi...