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  1. #1
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    Default Baader Astrosolar safety film advice sought



    Hi

    I have just received an a4 sheet of Astrosolar film and reading the instructions it warns that touching the film can cause the acids from fingerprints to damage the film.

    Unfortunately I am a clumsy so & so (one of the reasons I enjoy jury rigging things is if I break it I know how to fix it) and will no doubt accidentally touch the film at some point. My question is will sandwiching it between clear acrylic or plastic to protect the film have any adverse effect?

    I already have made the frame that slots and bolts on over the end of the baffle on my telescope and after adding a couple of extra layers of plastic it would still easily fit.

    I made the frame before getting the film as I figured if I couldn't make a frame I trusted then I wasn't going to risk it.

    A second question is that in the instructions for use there are spelling mistakes which often signify the product has not been made by a large company but is a copy.
    e.g. point 4. on the instructions for use says "...and ad diskwater detergent. For careful whiping use pharmaceutic cotton-wool...".
    I bought it from a seemingly reputable supplier but before risking my eyesight I would like to know this is the real thing.
    If anyone else has this film can they confirm their instructions also have similar mistakes?
    I understand Baader is not an English company but hope you can understand my wanting to check.

  2. #2
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    Default

    I am still waiting on my film. Post a picture of your setup. I would love to see it. Also I would check the filter before each telescope use by manually holding it to the sun or extremely bright light equvilant without the scope. The light could still be intense but it is better than noticing a flaw with the telescopes help

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  3. #3
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    Default

    My filter mask is made from 1/8" thick PVC sheet plastic commercially sold as "Sintra" in the sign industry. I mounted my film on the inside side of the mask, and I made a protective hatch cover that protects the film when the filter mask is not in use. Since I use the filter on a 10 inch SCT, my filter mask has two offset 4 inch holes. One is for visual grade film , the other for photographic grade film. With this design, no clear acrylic covering is needed. The front face of the filter mask is covered with adhesive reflective mylar, which reflects sunlight off of the mask to keep it cool. I also made a mask for my finder telescope, which features a sunshade.

    Matthew Ota
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  5. #4
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    Default

    Can you post a picture of the instructions and package, I am receiving mine soon and we can compare.

    im purchasing from AustraliaTelescopes which is an official Baader Planetarium dealer

    clear skies
    Name: Gus OTAs: ED 100 PRO refractor, Orion ST80 (not the CF), 8" Dob stuck in Canada Mounts:HEQ5PRO Synscan mount, Manfrotto Tripod CAMS: Guidecam Philips SPC900 webcams (4), Canon unmodded-450D DSLR

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  6. #5
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    Default

    There are instructions online on how to make a filter cell. The only thing I changed on mine was using PVC sheet plastic for the substrate instead of cardboard, making it more durable.

    Baader Planetarium - making of an inexpencive filter cell
    Matthew Ota
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    Default

    Thanks all

    Once I have enough posts I will post a picture of the instructions.

    I was really lucky with my frame to find that the cover from a blank DVD carousel exactly fits over the dew shield of my ds2090. There is even a lip that the edge of the cover that the dew shield fits into that keeps everything nicely centralised.

    With a leather "skirt" glued to the frame this can then be fixed in place with a large Jubilee clip (hose clip or similar I believe they are also called).

    To test that it would not blow off I can actually pick the entire telescope up by this frame.

    Once I am certain that the film is the correct one I will fit it and post pictures.

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    Default

    I just received mine from AustraliaTelescopes as mentioned authorized Baader dealer. I am 100% you got a fake another reason to buy from an authorized dealer.

    I can post a photo of both sides, there is no mention in Point 4 of "...and ad diskwater detergent. For careful whiping use pharmaceutic cotton-wool...".

    Point 4 is either How to Make your own Objective Solar Filter "Cut a square piece of AstroSolar filter..." or

    Please observe the following safety precautions

    "If your telescope has a finder..."

    Actually found no mistakes. I would not even use it unless you can confirm from someone else that it is authentic Baader astrosolar film.
    Name: Gus OTAs: ED 100 PRO refractor, Orion ST80 (not the CF), 8" Dob stuck in Canada Mounts:HEQ5PRO Synscan mount, Manfrotto Tripod CAMS: Guidecam Philips SPC900 webcams (4), Canon unmodded-450D DSLR

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    Default

    I also think you got a fake.
    My Baader instructions do not have any mention of "fingerprint acids damaging the film" or cleaning instructions.

    As you can see by this old photo of my set-up, the material I used for the Dob "skirt" looks EXACTLY like Baader material, but is in fact Dollar Store gift wrapping paper...

    I would be very wary of using what you have.
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  11. #9
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    Default

    Thanks all
    below are photos of the instructions I refer to and the pack front (camera flash doesn't obscure the points in question thankfully).


    click on pictures for tha album shots.

    I think I will send copies and supplier details to Baader for them to confirm.
    Cheers again.

  12. #10
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    Default

    Quote Originally Posted by canidae View Post
    Thanks all
    below are photos of the instructions I refer to and the pack front (camera flash doesn't obscure the points in question thankfully).


    click on pictures for tha album shots.

    I think I will send copies and supplier details to Baader for them to confirm.
    Cheers again.
    Good idea.
    Because now I'm not so sure you have a fake:
    If I look at the packaging, especially how the product looks at the edges (plastic cover quality and clearance wise), it's exactly like mine. I also see that the text (and instructions) might be different simply because it's a "45th anniversary" packaging, which mine isn't.

    I think the spelling mistake on the word "dishwasher" might just be a typo. But check anyway. You can't be too careful about your eyes.
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