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The different Sets

For example, with the Kase Wolverine Series Entry-Level Kit we offer you the perfect entry into the K100 (100x150 mm) rectangular filter world of Kase. The filter set consists of our proven K100 holder with a magnetic 90mm polarizing filter (circular), 2 adapter and step-down rings each, as well as a SLIM Wolverine 100x150 mm gray graduated filter and a SLIM Wolverine 100x150 mm ND filter.

But also for experienced photographers we offer for example the "Kase Wolverine Soft K100 Master Kit 100x100 mm ND with K9 filter holder". The Kase Wolverine Master Set is the top set of the K100 (100x100 mm or 100x150 mm) rectangular filter world from Kase. The kit consists of our proven K100 filter holder, a 90mm magnetic polarizing filter (circular), 2 adapter and 2 step-down rings, as well as three 100x150 mm gray graduated filters and two Wolverine ND filters.

With the "Kase ROUND Wolverine magnetic circular filter ND Kit incl. CPL, ND8, ND64, ND1000" you are perfectly equipped to start with landscape photography. With the easy to mount magnetic round filters you can take many photos one after the other with variable contrast and with the included polarizing filter you can take those with a variaty of reflections. Whereby the colours are reproduced neutrally by our filters and only the contrast is changed.

How do the types of GND filters differ and when should they be used?

  • Soft GND filter:

These filters have a very smooth transition from transparent to dark. They are suitable for scenes that have a wide or interrupted transition from the sky to the actual foreground. An example of a scene that should be shot with a soft GND filter is a mountainous landscape crossing the horizon line. A rock formation in the sea is also predestined for photography with a soft GND filter.

  • Hard GND filter:

These types of GND filters have a hard transition from clear to dark. They are suitable for scenes that have a highly visible transition from the sky to the actual foreground. This filter is most useful for landscape shots in which no elements project beyond the horizon, for example, shots of the sea with a wide view of the ocean. These filters can also be advantageous when a hard transition against the sun is needed.

  • Reverse GND filter:

Reverse GND filters with an "inverted transition" are similar to the hard GND filter except that the darkest part of the filter is in the middle. These filters are for shots taken against a light source and where the light is most intense at the horizon.

Which accessories do I need for a shot with a grey filter?

Basically the same rules apply for a shot with a grey filter as for a long exposure at night. First of all, for the photography with a grey filter, you absolutely need a stable tripod. Depending on the exposure time, it is sometimes impossible to take pictures from the hand with exposure times of 1/40 or even more without blurring the photo. Experienced photographers may still manage 1/20, but as soon as a photo is taken with an exposure of one second or more, it is not possible to work without a tripod. In addition, you should either use the camera's self-timer or use a remote shutter release to take a shot without shaking the image.

How to calculate the right exposure time?

The strength of your grey filter indicates by how much longer you have to expose. So if you want to shoot with an ND8 filter in front of the lens the exposure time would be 8 times longer, with an ND64 64 times and so on. If the camera outputs 1/10 second as the perfect exposure time, with an ND64 gray filter it would be 6.4 seconds.

In which strength should I choose my ND filter?

We have created a table that shows in which situation which ND filter should be screwed onto the lens. Below you can see which filter has which neutral density, causes an increase in shutter speed and darkens by how many f-stops.


ND4 Filter The ND4 filter is used in moderate light conditions and is suitable for rainy and stormy days. They are also used at sunsets, sunrises and when the sun is at its zenith.
ND8 Filter The ND8 filter is used on sunny days and when the sky is slightly cloudy.
ND16 Filter The ND16 filter is the standard filter for sunny days.
ND32 Filter The ND32 filter is used on sunny days when there is a lot of light.
ND64 Filter

The ND64 filter should be used for snowy landscapes on sunny days, reflective water surfaces or similar.

ND1000 Filter

The ND1000 filter is mainly used in landscape photography to create blurred clouds and soft water. 


Neutral density F-stops

Shutter speed correction factor

Filter type
0,6 2 4x ND4
0,9 3 8x ND8
1,2 4 16x ND16
1,5 5 32x ND32
1,8 6 64x ND64
3,0 10 1000x ND1000