49mm Variable Neutral Density Filter ND2-ND400 9 Stops Pack of 2 Q898
Sale price
$22.90
Regular price $83.47
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【Variable ND Filter】 Neutral Density Filter (ND2-ND400) reduce the light from 1 to 9 f-stops.
【Professional Japan Optical Glass】 Made by Completed Professional Japan Optical Glasses instead of Optical Resin, with double-side multilayer blue coating to help repel water.
【Exposure Reduction】 This ND filters are strongly recommended for rivers, waterfalls, and other bodies of water, especially under bright light. The longer exposure times allows for smoother water movements, shallower depth of field, and blurred motion.
【Ultra-Slim Degisn】 The ND filter is only 7.3mm, and super lightweight CNC ring used in construction prevents adverse effect.
【Tips】 This ND filter is compatible with all 49mm. Please verify your camera's lens thread size (usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a 'ø' (diameter) symbol.
49mm Variable Neutral Density Filter ND2-ND400 9 Stops Pack of 2 Q898
Sale price
$22.90
Regular price $83.47
Shipping calculated at checkout.
【Variable ND Filter】 Neutral Density Filter (ND2-ND400) reduce the light from 1 to 9 f-stops.
【Professional Japan Optical Glass】 Made by Completed Professional Japan Optical Glasses instead of Optical Resin, with double-side multilayer blue coating to help repel water.
【Exposure Reduction】 This ND filters are strongly recommended for rivers, waterfalls, and other bodies of water, especially under bright light. The longer exposure times allows for smoother water movements, shallower depth of field, and blurred motion.
【Ultra-Slim Degisn】 The ND filter is only 7.3mm, and super lightweight CNC ring used in construction prevents adverse effect.
【Tips】 This ND filter is compatible with all 49mm. Please verify your camera's lens thread size (usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a 'ø' (diameter) symbol.
| Optical density | F-stop reduction | Fractional transmittance | |
|---|---|---|---|
| No ND | 0 | 0 | 100% |
| ND2 | 0.3 | 1 | 50% |
| ND4 | 0.6 | 2 | 25% |
| ND8 | 0.9 | 3 | 12.5% |
| ND16 | 1.2 | 4 | 6.25% |
| ND32 | 1.5 | 5 | 3.13% |
| ND64 | 1.8 | 6 | 1.56% |
| ND128 | 2.1 | 7 | 0.78% |
| ND256 | 2.4 | 8 | 0.39% |
| ND400 | 2.6 | 8 2⁄3 | 0.25% |