Haida NanoPro Varibale ND Filter 67mm

Haida Variable Gray Filter Fader 67mm with Nano Pro multiple coating.

Gray filters are suitable for many different purposes. The best known is probably their use for lengthening the exposure time, so that water movements are shown "velvety" or to make places appear deserted. But a gray filter is also not out of place in the studio, because often you want to choose a small f-number to keep the focus area small. For videographers, variable ND filters are almost essential and are in every videographer's backpack, since it is not possible to change filters very quickly while filming. This allows videographers to quickly change the ND range they need.

The Haida Gray Filter Fader is continuously adjustable, so you can leave all other gray filters at home. Neutral densities from ND1.2 - ND-2.7 can be adjusted by simply turning, similar to a polarizing filter. When there is too much light or light of different brightness in the subject, the gray filter reduces the amount of light without changing color tones or contrasts in the image. If you want to take a picture of flowing water, for example, you would have to choose a slow shutter speed; without the use of a gray filter, this would result in a considerably overexposed image. Use the Haida gray filter at ISO100, with a slow shutter speed and a high f-number and you will get your desired image with flowing water.

The design of the filter is such that the front diameter is larger than the lens mount. Information about the vignetting of this filter can be found below in the available downloads.

High-quality processing and coating for flawless image quality
The scratch-resistant optical glass and thin construction of the ND filter ensure flawless image quality, without vignetting or flare effects. The water-repellent Nano Pro multi-coating makes the gray filter durable and meets the highest demands in terms of quality and imaging performance.

All advantages at a glance:

For slower shutter speeds and more open apertures in daylight.
High-quality optical Nano Pro glass
Scratch-resistant and water-repellent
Color cast free, high sharpness
Overbuilt design for zero vignetting
Lens cap not mountable
Multiple filters can be combined thanks to front thread

Technical details:

Material: multi-coated optical Nano Pro glass in high-quality metal mount
Protection against: splash water, dirt, dust, oil, scratches etc.
Extension factor: 1.2 - 2.7 (4 to 9 stops)
Filter size: 67mm
Overall height: 7mm
Overbuilt design: Front part larger than connection thread to prevent vignetting
Stop: No stop
Lens cap mountable: No
Front thread available: 77mm
Filters stackable with each other (Attention: the more filters on top of each other, the more vignetting will result)

Scope of delivery:

1 x Haida Variable Gray Filter 67mm
1 x storage box

The aperture reduction of ND filters is calculated as follows:
The density of ND filters is usually given in steps of 0.3.
To get the aperture reduction, first multiply the value by 10 and then divide it by 3.

0.3 x 10 = 3 | 3 = 1 f-stop
0.9 x 10 = 9 | 3 = 3 f-stops
0.6 x 10 = 6 | 3 = 2 f-stops
1.2 x 10 = 12 | 3 = 4 f-stops
1.8 x 10 = 18 | 3 = 6 f-stops
3.0 x 10 = 30 | 3 = 10 f-stops
3.6 x 10 = 36 | 3 = 12 f-stops
4.5 x 10 = 45 | 3 = 15 f-stops