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Irix Edge Gelatin Filters Set Review

We review the Irix Edge Gelatin Filter set, designed specifically for the Irix 11mm and 15mm wide-angle lenses.

|  Irix EDGE Gelatin Filter Set in Filters
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Features and Handling

EDGE Gelatin Filter Set

These Gelatin filters are designed to be used in the filter holder at the rear of the Irix 15mm and 11mm lenses, and any other lens with the same size rear filter holder. Measuring 29x29mm these are small and easy to carry with you, being very lightweight. The set includes 3 different ND ratings from ND4 to ND16, and you get 5 of each in a packet. The set is available for €8.45 / £7.90. 

Irix Edge Gelatin Filter Set Features and Handling

Irix Edge Gelatin Filter Set (3)

There are three different filters included in the pack, with five of each, with an ND4 (2 stops), ND8 (3 stops), and ND16 (4 stops). Measuring 29x29mm, these filters fit in to the Irix rear filter slot, which is 30x30mm. They are made of ultra-thin 0.1mm film to keep the image free of optical aberrations and distortions. 

We used the IRIX Edge Gelatin Filter Set with the Irix 15mm f/2.4 lens, with the 50mp Canon EOS 5DS R.

How to install and remove a Gelatin filter:

  • Carefully insert, trying to ensure you hold the sides of the filter
  • Use a soft, clean, lens cloth if you want to remove dust and fingerprints, or use a blower if just dust
  • Be careful not to push the filter in too far, be careful when removing the filter, not to get any creases in the film

How NOT to install and remove a Gelatin filter:


Key Features

  • 29x29mm
  • Curved edges
  • 0.1mm thick
  • ND4, ND8, ND16


Irix Edge Gelatin Filter Set Performance

The performance section is where we look at the image quality performance of the camera. Additional sample photos and product shots are available in the Equipment Database, where you can add your own review, photos and product ratings.

Irix Waterfall 20171027 120433
Irix Waterfall - Setup: Tripod, Camera, Waterfall


Irix EDGE Gelatin Filter Set Sample Photos

As expected, using an ND filter increases the length of time needed for a correct exposure, as light is blocked from reaching the camera sensor. This lets you create smoother water, and by using a circular polarizing filter on the front of the lens, we can reduce reflections and boost foliage in the shot. 

Colour is unaffected and sharpness remains quite good, with just a slight drop in detail. Vignetting was not noticable, and there were no hot spots. With the filter at the back of the lens, the filters do not introduce any lens flare. 


Value For Money

The Irix Edge Gelatin filter set is available for between £7.90 and £20 depending on where you shop. This is much cheaper than most circular ND filters.


Irix Edge Gelatin Filter Set Verdict

At just £8/€9 I was expecting these to not perform very well, but they performed admirably. They are significantly cheaper than a 95mm filter, which is needed for the 15mm Irix lens, and can also be used with the 11mm lens. Using a gelatin filter makes it easy to use a polarising filter on front of the lens, without having to stack additional filters on the front of the lens. If you have the right lens, and want to take some longer exposure shots, then the Edge Gelatin Filter set is a great way to get started. 

Irix Edge Gelatin Filter Set Pros

  • Excellent value for money
  • 5 of each ND filter included
  • Work well

Irix Edge Gelatin Filter Set Cons

  • Quite fidly to fit and remove
  • Some may like a stronger ND filter

Overall Verdict

With thanks to CliftonCameras who provided the Canon EOS 5DS R used for testing. 

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