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The moon

  • 05-12-2006 7:34pm
    #1
    Victor
    Registered Users, Registered Users 2 Posts: 78,647 ✭✭✭✭


    Full moon out tonight.

    Whats the best way to take pictures, using a standard enough digital camera. I´m finding the contrast and exposure time is ending with blurry images.


Comments

  • #2
    Roen
    Closed Accounts Posts: 4,620 ✭✭✭Roen


    I'm not sure but I think anything over 30secs will result in blur due to the earth's rotation.
    I assume that you have a mightily long lens and have mounted your whole rig on a good tripod?
    I never shot the moon myself but I must give it a go when I get a good long lens.


  • #3
    leinsterman
    Registered Users, Registered Users 2 Posts: 1,584 ✭✭✭leinsterman


    Not sure you have an SLR but if you do when shooting with the moon there are a few things to consider -

    Set a medium ISO (400). Focus manually ... it is more relaible

    Metering - the moon is very bright and very small compared to everything around it so even with your camera's spot metering function and a 300mm zoom there is a good chance you will get an erroneous reading and overexpose ... set the camera in manual mode and underexpose. Bracket the shot by taking a few different exposures for safety.

    Motion - the moon is moving all of the time relative to your postion, and faster than you think. So you cannot use too long an exposure. You need to use a long zoom, at least 200mm ... for the not so sharp image attached I used 520mm * 1.6 (FOVCF) for a total of 832mm, F18, Shutter 1/80, ISO 200 ... that level of zoom means a tripod and cable release is essential ... in fact I even used mirror lock up in the camera to minimise shake ... and still the image is not 100% sharp!

    In my camera (EOS 20d) the moon only just fills the partial metering circle at 832mm ... so you can see the problem with metering ...

    36185.jpg


  • #4
    Calina
    Registered Users, Registered Users 2 Posts: 8,219 ✭✭✭Calina


    Victor,

    don't know what equipment you have but here's the exif on a couple I did:

    http://www.flickr.com/photo_exif.gne?id=289912257
    289912257_acf7989cd2.jpg


    http://www.flickr.com/photo_exif.gne?id=288785299
    288785299_221311e6b5.jpg

    Camera was a 350D with a Sigma 50-500mm lens tacked on the end.

    If you've a point and shoot you can probably forget about it. You might do okay with a 300mm zoom as well, haven't tried that though.


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