![75mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-75x85-1_800x.jpg?v=1719490936)
![75mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-75x85-2_800x.jpg?v=1719490944)
![75mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-75x85-3_800x.jpg?v=1719490951)
![75mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-Pouch-ND16-4_800x.jpg?v=1719490956)
![100mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-100x100-1_800x.jpg?v=1719494525)
![100mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-100x100-2_800x.jpg?v=1719494541)
![100mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-100x100-3_800x.jpg?v=1719494545)
![100mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-Pouch-3_800x.jpg?v=1719494556)
![75mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-75x85-1_200x.jpg?v=1719490936)
![75mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-75x85-2_200x.jpg?v=1719490944)
![75mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-75x85-3_200x.jpg?v=1719490951)
![75mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-Pouch-ND16-4_200x.jpg?v=1719490956)
![100mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-100x100-1_200x.jpg?v=1719494525)
![100mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-100x100-2_200x.jpg?v=1719494541)
![100mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-100x100-3_200x.jpg?v=1719494545)
![100mm Holder System](http://uk.urth.co/cdn/shop/files/1-Urth-Square-Filter-ND16-Plus_-Pouch-3_200x.jpg?v=1719494556)
ND16 (4 Stop) Square Filter Plus+
More options in low light
Our professional ND16 Square Filter Plus+ provides 4 f-stops of light reduction, giving you better control with long exposure and depth of field techniques in low light.
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Our professional ND16 Square Filter Plus+ provides 4 f-stops of light reduction, giving you better control with long exposure and depth of field techniques in low light.
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0114/2141/7538/t/3/assets/2-Urth-Square-Filter-ND16-Plus-75x85mm-1611926414763_1400x.jpg)
World's best glass
Made with world leading German SCHOTT.
No colour cast
True colours.
Creative control
Dramatic long exposure and motion blur effects.
Lifetime warranty
Quality made to last.
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0114/2141/7538/t/3/assets/3-Urth-Square-Filter-ND16-Plus-75x85mm-1611926414751_600x.jpg)
No Filter
ND16 Square Plus+
![](https://cdn.shopify.com/s/files/1/0114/2141/7538/t/3/assets/4-Urth-Lens-Filter-Before-and-After-ND16-1-1611926414854.jpg)
![](https://cdn.shopify.com/s/files/1/0114/2141/7538/t/3/assets/4-Urth-Lens-Filter-Before-and-After-ND16-2-1611926414787.jpg)
Better depth of field
Beautiful depth of field with wider apertures.
Longer motion blur
Cut 4 f-stops for stronger long exposure.
More cinematic
Slow your shutter for a more cinematic look.
Features
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0452/7240/0037/files/5-Urth-Square-Filter-ND16-Plus-75x85-1-1722534010023_550x.jpg)
Professional German glass
Industry-leading German B270 SCHOTT optical glass is coated with a 20-layer nano-coating for truer light transmittance, better protection, and easier cleaning.
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0452/7240/0037/files/5-Urth-Square-Filter-ND16-Plus-75x85-2-1722534010025_550x.jpg)
4 f-stop reduction
Allowing 6.25% light transmittance, this filter gives you more latitude with depth of field and motion blur effects in low light.
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0452/7240/0037/files/5-Urth-Square-Filter-ND16-Plus-75x85-3-1722534010026_550x.jpg)
Standard fit
Our square filters are 2mm thick and fit with most square filter holders.
How to Use
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0114/2141/7538/t/3/assets/Urth-Square-Square-Filters-1-1611926414818_800x.jpg)
1/4
Attach Main Adapter Ring to your lens
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0114/2141/7538/t/3/assets/Urth-Square-Square-Filters-2-1611926414808_800x.jpg)
2/4
Attach Square Filter Holder to Main Adapter Ring
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0114/2141/7538/t/3/assets/Urth-Square-Square-Filters-3-1611926414831_800x.jpg)
3/4
Tighten screw locking mechanism
![ND16 (4 Stop) Square Filter Plus+](http://cdn.shopify.com/s/files/1/0114/2141/7538/t/3/assets/Urth-Square-Square-Filters-4-1611926414841_800x.jpg)
4/4
Gently unpouch filter and insert
Technical Specifications
Filter Type
Neutral Density 16
Nano Coating
20-Layers
Grade
German SCHOTT B270
Density
1.2 (4 Stop)
Effect
Cuts 93.75% of light
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