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The Kase K9 holder system has an innovative solution to the problem of using circular polarisers with slot-in systems. Rather than being mounted as the last filter, making it large and allowing the possibility of light being reflected back into the lens. The Kase solution is to mount the polariser at the back of the system, allowing you to have up to three Neutral Density or Grad filters in front of the polariser.
The polariser is mounted to a geared lens adaptor ring, that is then turned simply by using a gear on the holder when attached to your camera. To mount the polariser, it’s simply a case of placing it into the geared ring magnetically, removing the hassle of trying to screw a polariser into place.
The Kase K9 holder has some small but perfect updates from our last generation holder, it is now compatible with modern lenses up to 14mm on a full frame system* without vignetting. We have also improved the ergonomics of the holder, adding small touches that improve on the overall ease of use whilst keeping it a simple innovative design. Finally we have managed to make it just a little bit lighter too, as we know you all want to keep weight down.
- Magnetic mounted geared polariser
- Innovative lightweight design
- Robust alloy construction
- Simple to use in the field
The Kase holder is precision CNC milled from the highest quality aviation grade aluminium with a mat anodised finish to reduce reflections. Both strong and lightweight, the holder uses a screw locking mechanism to prevent accidental removal.
In the Box
- K9 100mm Alloy Filter Holder
- 90mm Slimline Magnetic X-CPL (Polarising filter)
- 2 x Geared adapter rings: 77-90mm & 82-90mm – Magnetic
- 2 x Step rings: 67-82mm & 72-82mm
- 2mm and 1.1mm filter slots – 2mm fitted as standard
- Spare Foam Gaskets
To use your holder with other lens filter sizes up to 82mm, simply use step up rings. For example, to use the K9 system with a 58mm filter thread, you would just need a 58mm-82mm step up ring, no need for special ones only compatible with our system.
*The K9 holder has been tested with the Nikon Nikkor Z 14-30mm F4 S lens, and produces no visible vignetting.
The Perfect Partnership – Kase Wolverine Filters
The K9 holder system is the perfect companion for the Kase Wolverine 100mm series of filters.
- Toughened Pro HD Optical Glass
- No Discernible Colour Cast
- Scratch Resistant
- Metallic Nano Coatings
- Water and Dust/Dirt Repellent
- Easy Clean