Robert Goodman IFH-100-PRO
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Irix Edge
 IFH-100-PRO Review

by Robert Goodlight Photography

Irix is a Lens manufacturer from Switzerland who offers photographic and cinematographic lenses and filters (since 2016). They have quickly gained popularity with their high-quality super-wide-angle lenses:

The Irix 150mm f/2.8 1:1 macro lens won the iF Design Award and the Red Dot Award in 2019. The Irix 45mm f/1.4 is the latest photographic lens release. I have been working for two years with the Irix 15mm f/2.4 and couldn’t be happier. I bought it mainly for astro photography but it quickly became my favorite lens for landscape photography in general with low distortion, sharpness over the whole image and great size/weight for traveling.

With this, Irix has just released a new filter holder, the Irix Edge IFH-100-PRO and they have asked me to test it.

So let’s have a closer look.

Irix Edge IFH-100-PRO Filter Holder

Irix Edge IFH-100-PRO filter holder

Firstly, a few product features about the IFH-100-PRO:

  • It’s a 100mm filter holder, with the possibility to use 1.1mm and 2mm thick filter
  • Compatible with lenses from 52 mm to 95mm in diameter (adapter separate)
  • Adapter for Irix 15mm f/2.4 included
  • Two filter slots, plus dedicated polarizing filter (externally adjustable with knob)
  • A secured mounting system for the 100mm filter and the polarizing filter
  • Ultralight: 98g (0.21lb)

Currently I’m working with a Nikon D800 and an Irix 15mm f/2.4 in combination with 

The lightweight IFH-100-PRO is barely recognizable in your camera bag, which is very important. I’m mostly doing long walks so light and compact equipment is necessary. Another thing I like about this filter holder is its simplicity as I can set up the whole filter system in seconds. 

Mounting the IFH-100-PRO

Put the adapter ring on your lens.

Simply secure the adapter ring on the lens by twisting it on the lens hood contraption. No time consuming thread here! Once it’s in place you can attach the IFH-100-Pro

There is a little lip on the bottom side, just hook it on the adapter ring. Then just push the IFH-100-PRO firmly against the lens. The filter holder just snaps on the adapter and is secured by a spring-loaded mechanism.

The Irix Edge IFH-100-PRO filter holder is now attached and swings freely to change position depending on your needs. I did use a few filter systems before, but I always got annoyed about the set-up-process. Mostly it took ages to attach the filter holder to the lens, which was the reason why I ended up not using filters at all.

The IFH-100-PRO is different, it is so easy and quick to set up. Furthermore, you can put on your lens cap while the filter holder is on your lens. When I go out shooting, I mostly leave it attached to my lens, so I don’t have to set up every time I want to take a photo. You will be much quicker and will not be missing beautiful conditions in the field.

Another thing I would like to point out is the adapter ring for the Irix 15mm f/2.4 doesn’t have a thread and is therefore much easier to attach. Try to get the threads lined up 5am in wintertime and you appreciate a simple and efficient system.

To remove the filter holder, just release the spring-loaded mechanism by pulling the little blue screw at the top. One second – done.

What Filter’s can I use with the Irix Edge IFH-100-PRO?

The IFH-100-PRO comes with two 100mm filter slots. You can use 1.1mm and 2mm thick filter. Interchangeable filter slots are included in the package, even a small screwdriver. Besides that, you get a build-in polarizing filter which means you could use up to three filters at the same time. I like to have the option of using the polarizing and gradual Filters together, especually when shooting woodland or waterfalls. There it is significant in reducing shiny surfaces and keeping all the information in shadows and highlights. It is also possible to use your existing 100mm filter from other brands, because of the popular 100mm size.

Polarizing filter (CPL)

Mounting Filters on the IFH-100-PRO

You will find two screws on the IFH-100-Pro. The Black screw is to hold your 100mm filter in position. You simply tight up the screw, once you are satisfied with the position of your filter.
Consequently, the position is locked and you don’t have to worry about it while you a shooting.

The blue screw is for your polarizing filter.

After losing the screw you can move the filter-slot to the side and pop in your polarizing filter. Once the filter is in place, you tighten up the screw.
You can adjust the polarizing filter with the external adjustment knob.

The external knob for adjusting the polarizing filter allows you to stay focused on the viewfinder or the display, so you can easily adjust to the desired strength. It’s a great pleasure to use.

You can change the 100mm filter smoothly with one hand. So far, I have never changed the position of my camera by accident. This is important if you do focus-stacking for example.

Vignetting

I have tested the IFH-100-Pro with my Irix 15mm f/2.4 and had no problems with vignettes at all. That is a great feature, no vignettes with an ultra-wide-angle lens, is an outstanding quality proof (See example photos below). 

Build quality of the Irix Egde IFH-100-PRO

The IFH-100-Pro is based on the Irix Space Ready (SR) project, which was built according to procedures developed by NASA. The IFH-100-Pro is resistant to compression, shock and extreme temperature variations while being extremely lightweight at the same time. It’s not just the IFH-100-Pro, I got this same feeling of reliability from all Irix products so far. My 15mm f/2.4 has worked great for two years under all weather conditions and is still providing top quality photos. Same with the filter and filter cases. I will publish a long term review about the Irix Edge filter soon. 

Conclusion and sample photos

Let me put it this way. Irix is a team of active photographers and I think they have put all their experience together in one filter holder. If you look closely at the IFH-100-Pro, you can tell they have been doing photography for a long time. Only with a lot of experience in the field is it possible to create a product which is so easy and quick to use. There are hundreds of filter holders out there and they probably all do a decent job, but it is the handling, the efficiency and the small details which make all the difference.

My favorite features have to be:

  • The adapter thread for the 15mm f/2.4 without a thread
  • The super quick spring-loaded mechanisn to set up and release the IFH-100-PRO
  • The build-in polarizing filter
  • The weight: only 98g
  • The smoothly changeable filters
  • The external knob for adjusting the polarizing filter


Everything is designed to stay focus on your photography and not getting overwhelmed by complicated filter settings which for me is the most important thing. 
Hence, I have my needs for landscape photography covered. 
I can work creatively with up to 3 filters at the same time. The combination of polarizing and graduated is unbeatable and gives you endless opportunities to capture outstanding photos. I more than happy with the IFH-100-Pro. It’s a great pleasure to use.

Sample photos taken with the IFH-100-PRO

The following principle applies to all my sample images. The first two pictures are straight out of the camera, without editing at all. It will show you the difference between no filter and filter. The third photo is the edited version, my final image.

All photos were taken with the IFH-100-PRO, Irix 15mm f/2.4 and Irix Edge Filters.

1. Three Sisters; Katoomba; Australia

ISO 100; 15mm; f/11, 16sec. without filter
ISO 100; 15mm; f/11, 16sec. Irix Edge Soft Gradual Filter ND16
ISO 100; 15mm; f/11, 16sec. Irix Edge Soft Gradual Filter ND16 Edited Version


2. Landslide Lookout; Katoomba; Australia

ISO 100; 15mm; f/11, 1/15sec. without filter
ISO 100; 15mm; f/11, 1/15sec. Irix Edge Hard Gradual Filter ND8
ISO 100; 15mm; f/11, 1/15sec. Irix Edge Hard Gradual Filter ND8 Edited Version

3. Witches leap falls; Katoomba; Australia

ISO 100; 15mm; f/8; 1/2 sec. Without Filter
ISO 100; 15mm; f/8; 1/2 sec. Irix Edge circular polariser filter (CPL)
ISO 100; 15mm; f/8; 1/2 sec. Irix Edge circular polariser filter (CPL) Edited Version

4. Prince Henry Cliff Walk; Katoomba; Australia

Prince Henry Cliff Walk; Katoomba; Australia ISO 100; 15mm; f/8; 82sec. Without Filter
ISO 100; 15mm; f/8; 82sec. Irix Edge Soft Gradual Filter ND16
ISO 100; 15mm; f/8; 82sec. Irix Edge Soft Gradual Filter ND16 Edited Version

All text and images © Robert Goodlight Photography.

IG: @robert_goodlight_photography

FB: @RobertGoodlight 

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