To fill the frame vertically with the moon (1/2 degree) using a 4/3
sensor (13mm) will require a 1500mm (actual) focal length lens. My
2000mm Celestron 8 is unable to do it on full frame (24mm vertical)
using only prime focus. Air currents, haze and vibration are serious
problems with any telescope. Fortunately, the moon is bright and use
can use a pretty high shutter speed.
Chuck Norcutt
On 4/26/2013 12:47 AM, Paul Braun wrote:
> Full moon tonight, minimal haze, so I put the OM 35-150 on the E-M5 for
> an EFL of 300mm and tried my first Moon shot.
>
> Yeah, turns out that's not really enough. Guess I need something much
> longer and telescope-ish.
>
> http://zone-10.com/tope2/main.php?g2_itemId=4776
>
> And 2 in the PAW gallery:
>
> http://zone-10.com/tope2/main.php?g2_itemId=1965
>
> C&C always welcome.*
> *
>
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