Кто знает, чем отличаются ND фильтры PGYTECH серий AD и PRO? Есть комплект ND фильтров HD-ND 8-16-32-64 серии AD, докупил HD-ND 4, а он оказался серии PRO.
Получил ответ от PGYTECH по поводу разницы фильтров серий AD и PRO:
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The main difference between the professional version and the advanced version is the filter glass material.
The professional version uses German SCHOTT optical glass, which has higher light transmittance.
The professional version uses German SCHOTT optical glass, which has higher light transmittance.
And the professional version uses optical glass coating to reduce light, which is different from the color reduction process.
The coating dimming process can achieve only light reduction and no color shift.
The coating dimming process can achieve only light reduction and no color shift.
Best regards
PGYTECH Team
