K&F XB41 49mm Variable ND&CPL Filter 2 in 1 Function Nano Coating No “X” cross
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SKU: KF01.1319
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K&F XB41 49mm Variable ND&CPL Filter 2 in 1 Function Nano Coating No “X” cross
Features
- • 【ND & CPL filter 2 in 1】One filter has both of CPL and varaible ND filter function,save your time to replace two filters; it can not only reduce the amount of light entering the lens but also darken skies, manage reflections at the same time.
- • 【No “X” cross on images】Say goodbye to the "X" cross on images, K&F utilize cutting edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters.
- • 【Material】Made by completed professional optical glasses, Multi-layer coating, only allows 0.7% light transmittance and waterproof, scratch-resistant, which could protect your valued lens.
- • 【Filter Frames】Filter Frames made by aluminum alloy, the serrated design of the edge of the frame makes it easy to install. There is 5 mark from Min to ND32 on frame, It is convenient for you to sure the ND filter stops.
- • 【Note】 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.
Frequently Bought Together
5 Stops Variable ND And CPL Filter
ND2
ND4
ND8
ND16
ND32
Variable ND And
CPL Filter
CPL Filter
Without ND Filter
With ND Filter
Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky
smooth affect to flowing water.
ND&CPL Filter
ND Filter
CPL Filter
No Filter
ND2
ND4
ND8
ND16
ND32
Double-sided Multilayer Green Film
Other
Waterproof, oil resistant, scratch resistant
Before
After
| NDnumber | Optical density | f-stop reduction | Fractional transmittance | |
| 0 | 0 | 100% | ||
| ND2 | 0.3 | 1 | 50% | |
| ND4 | 0.6 | 2 | 25% | |
| ND8 | 0.9 | 3 | 12.50% | |
| ND16 | 1.2 | 4 | 6.25% | |
| ND32 | 1.50 | 5 | 3.13% | |
| ND64 | 1.8 | 6 | 1.56% | |
| ND100 | 2 | 62⁄3 | 1% | |
| ND128 | 2.1 | 7 | 0.78% | |
| ND256 | 2.4 | 8 | 0.39% | |
| ND400 | 2.6 | 82⁄3 | 0.25% | |
| ND512 | 2.7 | 9 | 0.20% | |
| ND1024/ND1000 | 3 | 10 | 0.10% | |
| ND2000 | 3.3 | 11 | 0.05% | |
| ND4000 | 3.6 | 12 | 0.025% | |
| ND8000 | 3.9 | 13 | 0.0125% | |
| ND32000 | 4.5 | 15 | 0.003% | |
| Filter | |
|---|---|
| size | 49mm |
| Transmittance | ∕ |
| Multi-Coating | |
| Antireflection | √ |
| waterproof | √ |
| scratch-resistant | √ |
| HD | √ |
| Filter Material | Optical glass |
| Pattern | √ |
| Filter Thickness | 9.3mm |
| Shape | Circle |
| Ring Material | Aviation aluminum alloy |
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