The K-Series Drop-In ND64、1000、4000、65000 is a drop-in filter for use with H&Y's patented 100mm magnetic square filter holder. Simply insert the holder from above and use it, making it very easy to load and unload. Vacuum Deposition Coating achieves the ideal ND coating. Neutral ND coating allows use without worrying about color cast.
Adopting high transparent optical glass, high flatness is maintained by precision polishing. * Adopting high transparent optical glass * Anti-static, anti-fouling, waterproof, anti-scratch, low reflection coating (double-sided coating) * Uniform ND coating, no color shift * High flatness by HD polishing technology
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