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Focusing.


melvin

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Your telescope is a lens :)

 

You achieve focus with the camera attached to your telescope.  It may be difficult initially to find a rough focus position and if you are too far off the image will be black and as you get closer to focus your star will start to look like a big donut and will slowly get tighter and tighter.

 

Regards,

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Melvin,

 

I am not sure how to answer your post.

 

The short answer is yes, you can achieve focus with either a telescope or with a lens. However it is not automatic focusing, like happens when you press the shutter button halfway down and you hear the lens adjust. 

 

For astrophotography with a Canon EF lens on the camera there is not enough light for the camera to automatically focus on the night sky so BYE provides controls to let you adjust the lens focus by clicking on the buttons with the left or right arrows. 

 

With the camera attached to your ES scope, perhaps BYE will be able to adjust your focuser to assist you with focusing, if you are running the trial version or the Premium version of BYE, and your ES focuser is connected to the computer and you have the ASCOM Platform and the ASCOM driver for your focuser installed.  Otherwise, you will have to use BYE's Frame and Focus screen to monitor a very bright star (Vega is good this time of the year) with LiveView while manually adjusting the focuser.

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Thanks for the reply. What I am asking is can I sit in front of my laptop, see what I'm pointing at then adjust the focus, on the laptop using BYE or do I have to go outside and manually focus. I do not have a motorised focuser fitted too the scope

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