Astronomy  Angeleyes 1.25" Color Astro Filters Set (6 pieces set) with aluminium box for Astronomical Telescopes Ocular Lens Planets Nebula Filter
Model: 6 color nebula tablets Aluminum box
Main use: astronomical telescope accessories
Shape: round
Color: a set of 6 pieces (red, orange, yellow, green, blue, purple)
Size: 31.7mm
Package weight: 1kg
 
Packing list: a set of 6 pieces (exquisite aluminum box)
 
Designed to reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue
 
 
STANDARD 1,25-inch THREAD SIZE: 1.25 inches/ 3.17 centimeters thread size, fits for most of telescopes; Color filters have the grooves needed to be softly screwed into the eyepieces lens easily
 
6 COLOR FILTERS: Includes Red, Orange, Yellow, Green, Blue; Red: Helps make Mercury and Venus stand out from the blue sky when viewed during the day; Orange: Helps increase contrast between light and dark areas, penetrates clouds; Yellow: Helps greatly in viewing Mars by bringing out the polar ice caps; Green: Enhances frost patches, surface fogs, and polar projections on Mars; Blue: Helps split the binary star Antares when at maximum separation;Purple:penetrate the vapor layer. It can also penetrate the ionosphere.
 
Specifications:
Material: Plastic
Item Name: optical filter set
Material: glass
Shape: round
Filter Caliber Size: 1.25 inch / 31.7mm
Exit Pupil Diameter: 5mm and above
Colour: Red， Orange， Yellow， Green，Purple， Blue
 
Yellow Optical Filter:
1. For a clearer view of the polar ice caps on Mars.
2. You can increase the contrast when looking at the desert land on the surface of the planet. Make the details more visible.
3. When observing Jupiter, darken the blue lines of Jupiter's equator and make the features of red and orange more vivid.
 
Orange Optical Filter:
1. Used to increase the contrast of light and dark when observing space.
2. Can penetrate the clouds and observe the dust storm on Mars.
3. Can be used to observe Jupiter's Great Red Spot, good results.
 
 
Red Optical Filter:
1. Used to observe Mercury and Venus.
2. Observe Jupiter's sideband more clearly when using a large-aperture astronomical telescope.
3. Used to observe the surface of Saturn. You can see a lot of details.
 
Green Optical Filter:
1. Used to observe polar projections, frost spots, and fog clusters on the surface of Mars.
2. Can be used as an attachment to observe the rings of Saturn and Jupiter.
3. Can be used as a universal film for observing the moon.
 
Blue Optical Filter:
1. Used to observe the fine structure of star clusters. It makes the image clearer.
 
Purple Optical Filter:
1. It can penetrate the vapor layer. It can also penetrate the ionosphere.
The polluted sky can also be observed deeper and farther.
2. The effect of stray light can be reduced when observing star clusters. Used to find new stars.
 
Notes:
1. The eyepieces in this picture are only used to show products.
2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
3. Please allow 1-3 mm measuring deviation due to manual measurement.
 
Package Included:
1x yellow optical filter
1x orange optical filter
1x red optical filter
1x blue optical filter
1x purple optical filter
1x green optical filter
 
Notice:
1.Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above..
2.Not RetailPackage.
3. Due to monitor settings and lighting conditions, colors may vary slightly from the listed photos.