![]() Just like the Gosky it has a metal filter cell and optical glass which cuts the light while not affecting the color. If you want something that doesn’t block quite as much light such as for smaller telescopes this Orion Moon Filter 05598 1.25-Inch 25 Percent Transmission is an excellent choice. Orion 05598 1.25-Inch 25 Percent Transmission Moon Filter $21 #BEST TELESCOPE FOR ASTROPHOTOGRAPHY 2020 FULL#Gosky also gives you a full year warranty so if you have any problems you can get it taken care of. Less expensive models typically have plastic threads and/or plastic optics. With an aluminum frame and actual optical glass is is much higher quality than some others in its price range. The Gosky 1.25″ 13% Transmission Filter is an excellent choice for your first filter. Gosky 1.25″ 13% Transmission Moon Filter $16 If you have a 1.25″ diagonal or only 1.25″ eyepieces then these are the filters you need. This range is much darker on one end and much brighter on the other end than traditional filters so it makes them perfect for any type of telescope with any aperture.Īnother advantage of the polarizing filters is that since the light is no longer scattered, the image appears much sharper and clearer. Polarizing filters have a range of light adjustment which can go from around 1% to 40%. This allows you to get just the right amount of light. When rotating you will see the image appear to darken and then lighten again. Since the moon tends to scatter the light it reflects from the sun, these work surprisingly well but are more expensive.Īdjustment of a polarizing filter is done by rotating the two pieces of the filter (top and bottom) which in turn rotates the two pieces of glass inside the filter. These filters work by removing light coming in at angles and only allowing light coming straight through the filter. Smaller telescopes like a refractor or small Newtonian might be better off with a 25% model.Ī polarization filter is generally variable moon filter allowing you to change the amount of light removed to suit your tastes. Larger telescopes such as medium to large Newtonians and Dobsonians typically have brighter images so a lower number filter such as the 13% is the preferred filter. These generally come in 13% and 25% versions where the lower the number, the less light it allows through. Better ones darken the image without changing the color of the image, it remains neutral. These filters contain gray glass which act just like sunglasses. Neutral density and the traditional type of filter and simply means that the filter will darken the object a specific amount in all color wavelengths. They can do this in two general ways neutral density or polarization. Moon filters are supposed to darken the image. The following reviews hope to help you decide which moon filter to get. There are a lot of moon filters out there so figuring out which is the best fit for you and your budget can be hard. You need a moon filter to darken the image to make it less painful to view. The moon is a surprisingly bright object, particularly when using a telescope. ![]()
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