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ProMaster Variable ND Filter Basis 77mm with 2 to 8 Stops - PRO73004
- 77mm Filter Size
- 2 To 8 Stops Of Light Reduction
- Constructed With Polished Optical Glass
- 10 Layers Multi-Coating
- Hard Stops At Min/Max Ranges
- Replaces Numerous Single Density ND Filters
- Excellent Value Filter
- Black/Clear Finish
ProMaster PRO73004 Variable ND Filter Basis 77mm with 2 to 8 Stops
This ProMaster 77mm Basis VND filter reduces the amount of light entering your lens between 2 and 8 stops to help you control exposure
Reducing light to control exposure is the job of a neutral density (ND) filter. A variable neutral density filter (VND) replaces numerous ND filters by allowing you to change the amount of light it holds back with a simple twist of its ring. A ProMaster Basis VND filter can reduce light by as little as 2 f-stops or as much as 8. And it can be adjusted to any amount in between these values.
There are good reasons to hold back light in still photography as well as videography. Some examples include:
In still photography, a VND filter can allow your camera to use a slower shutter speed. The slower shutter speed creates blur with moving objects as a creative effect. One example is blurring water to give the impression of movement.
In videography the camera’s shutter speed (frame rate) is often fixed, leaving the lens aperture to control exposure. But what if a large aperture is desired to achieve a shallow depth-of-field in bright conditions? A VND is used to reduce the light and thereby achieve proper exposure even with a large aperture setting.
All ProMaster Basis filters have the same size filter thread on the front and back. So, they are compatible with your lens cap, and they can be stacked with other, same-size filters.
Basis filters represent a terrific value. They are optically excellent and affordable and deliver great results!
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Frequently Asked Questions
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The filter allows light reduction from 2 to 8 stops, adjustable by twisting the ring. This variable range replaces the need for multiple fixed ND filters, offering flexibility for various lighting conditions.
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This variable neutral density filter helps control exposure by reducing light entering the lens. It is useful for achieving creative effects like motion blur in photography with slower shutter speeds and maintaining correct exposure with wide apertures in bright videography settings.
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The filter is constructed with polished optical glass and features 10 layers of multi-coating. The ring is made of aluminum, providing durability and excellent optical performance with reduced reflections and flare.
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Yes, all filters in this series have the same size filter thread on the front and back, allowing them to be stacked with other 77mm filters and compatible with lens caps designed for 77mm threads.
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The filter comes with a 1-year limited warranty covering parts and labor, ensuring protection against manufacturing defects and offering peace of mind.
