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Thread: Thousands oaks solar film question

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    Default Thousands oaks solar film question



    I was making a couple of solar filters for my telescopes using Thousands oaks solar film before I realized I placed one side shiny side out and one side black side out. the directions say shiny side out, does it make a major difference?
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    Default Re: Thousands oaks solar film question

    Hrm I don't know for sure but there must be a reason they say shiny side up
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    Default Re: Thousands oaks solar film question

    Quote Originally Posted by UlteriorModem View Post
    Hrm I don't know for sure but there must be a reason they say shiny side up
    I thought that but I also considered that it might just be to make people feel as if they have used a correct side. Kinda of like aluminum foil which according to Reynolds is only because how the aluminum foil is made the rolling creates and shining and flat side and it does not matter for cooking what side is used. My mother-in-law will argue the people who make the foil don't know what they are saying.
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    Default Re: Thousands oaks solar film question

    So visually I saw no difference between the two other than the shiny side gave some glare as seen held up without a telescope. I would guess the shiny side out helps reject a little more heat maybe instead of black absorbing.
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    Default Re: Thousands oaks solar film question

    Just a guess on my part, but with the shiny side down I would expect internal reflections messing up the image.
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