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SVBONY SV139 1.25" Neutral Density Filter for Telescope Eyepiece Reduce Moon Surfaces Overall Brightness
SKUG86244
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Description
- weight: 485 g
Features:
1. The 1.25" Neutral Density Moon filter reduces glare so you can see more lunar detail and surface features with your telescope
2. Metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece
3. Useful for different caliber astronomical telescopes through which the light of the Moon can be extremely overwhelming
4. Filter transmits only 0.1% of the incoming light
5. Perfectly neutral color will not alter the natural color of the Moon
Specification:
1. Brand: SVBONY
2. Model: SV139
3. Type: Neutral Density Filter
4. Material: Aluminum Frame, Metal Thread and Optical Glass
5. Barrel diameter: 1.25''
6. Optical density value: N4 (0.6 ), ND8 (0.9), ND16 (1.2), ND1000 (3.0)
7. Transmission: 0.1%
8. Thread: Standard M28.5*0.6mm
9. Net Weight: 5.0g / 0.19oz
10. Note: Eyepiece are NOT included
Universal Science:
Gibbous Moon - From now on, until it becomes new again, the illuminated part of the Moon that we can see decreases, and we say it's waning. The first week after full, it is called waning gibbous. It's very good effect to use the ND1000 filter at this time
Package includes:
1 x SVBONY 1.25" Filter
1 x Sturdy Plastic Case
Details picture:
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