SVBONY SV139 Telescope Filter Moon Filter 1.25 inch 25 Percent Transmission N...

Description

Brand New SVBONY SV139 Telescope Filter Moon Filter 1.25 inch 25 Percent Transmission Neutral Density Filter ND4 Neutral Density Filter for Telescope Eyepiece Reduce Moon Surface Overall Brightness
Manufacturer model:
FW9108A
Help you watch the moon comfortably; The 1.25" Neutral Density Moon filter can reduce the amount of light reaching the film without affecting the color; and reduces glare so you can see more lunar detail and surface features with your telescope
Durable Material; The included filters are made of HD optical glass; Good level of transmittance; Aluminum alloy frame sealing ring for better tightness; avoiding fall or loose
Protect vision; ND4 filter transmits only 25% of the incoming light; help reduce radiation; reduce deformation between light and dark areas at the edge of the moon; help protect dark-adapted vision when viewing the moon's surface
Suitable for watching the crescent moon; As the Moon moves around the Earth; we get to see more and more of the illuminated half; and we say the Moon is waxing; At first we get a sliver of it; which grows as days go by; This phase is called the crescent moon; It's very good effect to use the ND0.6 filter at this time
Applicable standard 1.25 inch; Metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece; Let you achieve a sharper image directly; Useful for different caliber astronomical telescopes through which the light of the Moon can be extremely overwhelming
Description
Product Description
SV139 Telescope Filter is a must-have item for observing the moon.
When you observe the moon, the bright moon will irritate your eyes and cause eye diseases. It can alleviate this pain and damage to you by the moon.
SVBONY SV139 Telescope ND4 filter transmits only 25% of the incoming light; boosting contrast and ability to discern detail on the Moon; have perfectly neutral color will not alter the natural color of the Moon
Comfortable to use
Helps reducing overall brightness without altering color; allow you see more surface features and details; at the same time make you eyes more comfort
High quality Aluminum alloy frame
Aluminum alloy frame sealing ring for better tightness; Sturdy plastic case; dust-proof; protect the filter from pollution
Read more
High quality optical glass
Made with high quality optical glass;helps to reduce glare so that you can see more details and surface features of the Moon with your telescope
Read more
High contrast
Telescope eyepiece filter transmits only 25 percent of the incoming light; boosting contrast to discern detail on the Moon
Read more
Specifications:
Type: Neutral Density Filter
Material: Aluminum Frame, Metal Thread and Optical Glass
Barrel diameter: 1.25''
Optical density value: 0.6
Transmission: 25%
Thread: Standard M28.5*0.6mm
Net Weight: 5.0g / 0.19oz
Note: Eyepiece are NOT included
Easy to match with 1.25-inch eyepieces
Metal filter cell threads directly into the 1.25-inch barrel of your telescope eyepiece
Package Includes:
1x SVBONY 1.25" ND4 Filter
1x Sturdy Plastic Case
Read more
Shipping and Handling
Please allow 5-7 business days for the package to arrive, regardless of buyer location within the US.
We will provide an online tracking number to you once the item has been shipped.
It may take a few business days for our automated system to process the tracking number onto eBay. However, this will not affect the shipping times.
Return Policy
All our products are brand new and sealed. All items qualify for returns within 30 days of receipt.
Feedback
We take our reputation seriously. If you have any questions or concerns, please contact us and we will respond back to your message within 24 hours.