HD-60 Eyepiece Twist Barrel
Posted 11 May 2012 - 03:49 AM
Posted 11 May 2012 - 10:42 AM
Posted 11 May 2012 - 01:37 PM
Posted 11 May 2012 - 06:45 PM
If I'm not mistaken, it's a dioptre adjustment. Some simple Google searches seemed to back up my hypothesis.
I think you misunderstood -- I'm not talking about the rubber cup -- if your twist the barrel, it gets longer -- the end that goes into the diagonal has a black segment that gets longer the more you twist -- up to 3/8"
This should allow you to adjust the eyepiece slightly to ensure that you can see the image clearly. It also most likely means that if you need glasses that have a small magnification at distances (eg: like bifocals) you won't need to wear them while observing.
Note: Many higher end DSLR cameras have them too, as do most binoculars and the like. Makes perfect sense for this to be on the eyepiece lens of a telescope.
PS: Great to hear you've got your LX800. Congrats!
Posted 11 May 2012 - 11:16 PM
Binocular lenses to make up for differences in your eyes focus.
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