The Kenko Variable NDX II 77mm is a versatile neutral density filter designed for lenses with a 77 millimeter filter thread. It allows photographers and videographers to continuously adjust the amount of light entering the lens, providing exposure control equivalent from ND 2 point 5 up to ND 450.
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Contact Jasumo Now →This flexibility is crucial for maintaining desired shutter speeds for cinematic video or achieving long exposures in bright daylight during your photography sessions in Japan. The filter is designed to adjust light intensity without affecting the color balance of your images.
Take total control of your exposure and creative effects during your travels through Japan with the Kenko Variable NDX II 77mm. This filter is a highly valuable tool for capturing smooth video footage at professional frame rates or creating stunning long-exposure images of movement in busy cityscapes or natural water features.
The Variable NDX II functions by rotating the outer ring, allowing seamless adjustment of the light reduction across its wide range. This is especially useful for maintaining a wide-open aperture in sunny conditions to achieve a shallow depth of field, or for slowing the shutter speed to blur motion.
While the filter is powerful, users should be aware of the characteristics common to variable ND filters: when set to maximum density, the risk of the undesirable ‘X-shaped’ cross pattern appearing, especially with wide-angle lenses, increases. The filter’s design maintains a neutral color profile, ensuring color fidelity.
| Characteristic | Detail |
| Filter Diameter | 77 millimeter |
| Density Range | Variable ND 2 point 5 to ND 450 |
| Primary Use | Video Shutter Speed Control, Long Exposure |
| Adjustment Method | Rotating Ring with Detachable Lever |
| Vignetting Risk | Possible at 28 millimeter focal length or less |
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The filter diameter for your lens is always marked on the lens barrel or inside the lens cap, usually preceded by the diameter symbol. You must confirm that your lens uses a 77 millimeter thread for this filter to fit and function correctly.
The ‘X-shaped’ pattern is a visual artifact that can appear at the highest density settings of a variable ND filter. To avoid it, we recommend limiting the maximum light reduction used (staying well below the ND 450 maximum) and using a slightly longer focal length, as the issue is more pronounced at wide angles.
No, this filter is explicitly noted as not suitable for solar photography. Shooting the sun requires specialized, much denser fixed ND filters to prevent damage to your camera sensor and your eyes.
Variable ND filters require a thicker frame to hold the two rotating polarizing glass elements. This thickness can sometimes partially block the light entering the lens when shooting at very wide focal lengths (28 millimeter or less), causing the corners of the image to appear darker (vignetting).
The Kenko NDX II is designed to adjust the amount of light without affecting the color of the image. It maintains a neutral color balance, which is a key difference from lower-quality variable ND filters that often introduce an unwanted color cast, typically green or magenta.
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