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Thread: Found Old-ish Orion Deep Space Explorer

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    Default Found Old-ish Orion Deep Space Explorer



    Ive found an older white Orion Deep Space Explorer. Im not sure of the size but I know its in the range of 8-10. Ill get a picture of it soon. It has a 7.5 and 25 eyepiece. It also looks like it has an electrical connection of some sort at the base but nothing with it to connect to it. Does anyone know what it might be worth?

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    Default Re: Found Old-ish Orion Deep Space Explorer

    These had fairly good optics but poor build quality, does it still have the particle board mirror cell?
    Possibly the connection was for a cooling fan.
    I am not really sure what one of these would be worth though, not a huge amount.
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    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    Ya gotta keep this Apo/
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    Default Re: Found Old-ish Orion Deep Space Explorer

    Thanks for the info! I’m very new to all of this but I went ahead and purchased it. I’m honestly not sure about the mirror cell but I’m thinking probably so. I tried it out tonight assuming it would need collimating or at the very least a sighting scope adjustment, but to my surprise I lined the sight scope on the moon and there in the eyepiece was the moon! I don’t have a moon filter and I’ve seen people say you need one because it’s too bright. However i suffered through the brightness in awe of the great big cheese. it was crystal clear in the 25mm lens. hopefully i didn’t blind myself, i’ll be getting a moon filter asap.

    also i’m unsure about the cooling fan but being new to this i had no idea they even existed so thank you for opening that research doorway. it may very well be for a cooling fan but now that i own it i’ll do a little tinkering and report back.

    thanks again x1000000!!!!

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    Default Re: Found Old-ish Orion Deep Space Explorer

    Congratulations on the scope: sounds like the optics are good! You don't need a lunar filter if you are happy with the view- it just means that you will muck up your night vision (although with a full moon that doesn't matter much anyway!). You certainly wont damage your eyes. If it is too bright for you then you can put a cover over the front with (say) a 4" hole. Try a bit of cardboard initially, and if you are happy with that then you can make worthing a bit sturdier. This will give a much dimmer but possibly sharper view. If you orient the hole so that it is in between the secondary vanes then you will effectively have the equivalent of a top class 4" apochromat.

    Happy viewing!

    - Dean
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    Default Re: Found Old-ish Orion Deep Space Explorer

    This is really helpful! I imagine it would’ve taken me a while to stumble upon apochromats on my own accord. I’m very excited to give it a try. Also glad to know I won’t be going blind soon! Thanks so much Dean!

    My best,
    -Cale
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