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Wex Photo Video£55.00Visit shop Urth - Variable ND Lens Filter - 37mm - ND2-32 (1-5 Stop) - Grey
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The Urth Variable ND2-32 Lens Filter Plus+ (43mm) is for nature and landscape photographers seeking creative control in dynamic lighting. Its key benefit is enabling shallow depth of field and motion blur effects by reducing light by 1-5 stops. A potential caveat is the learning curve associated with variable ND filters to avoid the "X-effect". This filter provides superior light control with its 20-layer nano-coated German SCHOTT glass and an ultra-slim rim to prevent vignetting, all housed within a durable magnalium frame with a locking mechanism.
| Brand | Urth |
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ND2 to ND32 refers to the range of light reduction the filter provides. ND2 reduces light by 1 stop, and ND32 reduces light by 5 stops. The 'variable' aspect means you can adjust anywhere within this range.
The "X-effect" is a cross-polarization pattern that appears when the filter is rotated beyond a certain point. You can prevent it by paying attention to the filter's rotation and using the locking rim mechanism to stop at the desired setting before the effect occurs.
The filter features an ultra-slim rim design specifically to minimize vignetting. While it should work with most lenses, it's always recommended to test it with your specific wide-angle lens at its widest focal length and aperture to confirm there is no vignetting.
A fixed ND filter has a set number of stops of light reduction (e.g., ND8). A variable ND filter allows you to adjust the amount of light reduction within a specified range (ND2-32 in this case), offering more flexibility.
This filter reduces light by 1 to 5 stops, corresponding to the ND2 to ND32 range.
Yes, variable ND filters are excellent for video. They allow you to maintain a consistent shutter speed for natural motion blur while adjusting aperture or shutter speed to control depth of field or exposure in changing light conditions.
The Urth Variable ND Lens Filter Plus+ comes with a lifetime warranty.
This occurs when the filter is rotated too far. Reduce the ND level by rotating the outer rim in the opposite direction until the "X-effect" disappears. Utilize the filter's locking rim mechanism to prevent over-rotation in the future.
Ensure the filter glass is clean. Use a dedicated lens cleaning solution and a microfiber cloth. If the issue persists, check that the filter is properly seated on the lens and that no other filters are stacked causing interference.
Ensure you are using the correct 43mm size. Do not force the filter; if it's tight, try gently rocking it while screwing or unscrewing. Clean the lens threads and filter threads if they appear dirty.
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