Feature 1This set contains 6 different color filters, each with its own function, can meet your different needs. 2The filter is threaded and compatible with any 1.25 inch telescope and can be used individually or in stacks. 3Easy to install and use, they help filter out unnecessary light and make you look clearer. 4Made of high quality materials, portable and durable. 5With portable shock proof storage box, easy to transport filter. 6Mond & Skyglow: reduce glare when viewing the moon. 712# yellow: contrasts strongly with the blue features of Jupiter and Saturn, while accentuating the red and orange features. Can be used to increase the contrast of lunar characteristics. 821# orange: used to improve the contrast of light and dark when observing space, can penetrate clouds, can observe dust storms on Mars, can be used to observe the great red spot of Jupiter works well. 923A# red: strong contrast and enhanced blue-green surface detail. Useful for Jupiter, Saturn and Mars. Increase the contrast between mercury and bright blue sky during daytime or dusk observations. 1056 # light green: Mars, polar ice cap and yellow dust storms also contrast with an increase in red and blue features on Jupiter and the moon. 1182A # blue: useful on the moon, Mars, Jupiter and Saturn to increase contrast without significantly reducing the brightness of the image.SpecificationCondition: 100% Brand NewItem Type: Telescope FilterMaterial: Aluminum alloy + optical glassColor: Yellow + orange + red + light green + blue + light purpleModel: 12#+21#+23A#+56#+82A#+Mond & SkyglowApplicable interface: 1.25 inch /31.7mmPurpose: reduce light (add color)Weight: approx. 221g.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}Package List1 x Storage Box6 x Filter1 x Clean Cloth