SVBONY SV139 Telescope Filter Moon Filter 1.25 inch 12.5 Percent Transmission Telescope Filter ND8 Neutral Density Filter for Telescope Eyepiece Reduce Moon Surfaces Overall Brightness

Brand: SVBONY

Features:

• Neutral Density ND Filter; giving great versatility in changing light; reduces the amount of light without effecting color balance; perfectly neutral color will not alter the natural color of the moon
• High-quality optical lenses; made by completed professional optical glasses; Multi-layer coating; ND8 filter transmits only 12.5% of the incoming light; it has outstanding image sharpness and perfect colour neutrality
• 1.25'' barrel diameter; metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece; useful for different caliber astronomical telescopes through which the light of the moon can be extremely overwhelming
• Great Filter Frames; Filter Frames made by aluminum alloy; the serrated design of the edge of the frame makes it easy to install;Increase surface durability
• Extend shooting time; such as wanting to shoot misty flowing water in very bright places; Exposure time can be greatly extended to blur pedestrians or even completely

Details: SV139 1.25" Neutral Density ND filter reduces glare so you can see more lunar detail and surface features with your telescope

ND0.9 filter perfects for viewing Last Quarter Moon:
3 weeks after new;we again can see half of the illuminated part;this is usually called last quarter;Quarter Moon-a week after the new moon;when the Moon has completed about a quarter of its turn around the Earth;we can see half of the illuminated part; that is;a quarter of the Moon;this is the first quarter phase;it's very good effect to use the ND0.9 filter In this two time period

Performance optics glass:
SV139 ND0.9 filter is coated on both sides, reduction of scattering light. SV139 ND0.9 filters are made of HD optics glass that have good level of transmittance

Premium material:
Aluminum alloy frame sealing ring makes it have better tightness, which can avoid fall or loose.Extra tough Magnalium frame that ensures durability

Sturdy plastic case:
A sturdy plastic case for this filter kit is convenient to carry and store;It is convenient to store your filters, protecting your filter from dust, shake and scratches

Specifications:
Type: Neutral Density Filter
Material: Aluminum Frame, Metal Thread and Optical Glass
Barrel diameter: 1.25''
Optical density value: 0.9
Transmission: 12.5%
Thread: Standard M28.5*0.6mm
Net Weight: 5.0g / 0.19oz
Note: Eyepiece are NOT included

Package Includes:
1×SVBONY 1.25" ND8 Filter
1×Sturdy Plastic Case

Package Dimensions: 6.9 x 4.6 x 0.8 inches

Binding: Electronics

Part Number: FCAW9108B

model number: FW9108B