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Canon lens to astro camera adapter?

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5 replies to this topic

#1 Shameless Stinkhorn

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Posted 27 June 2022 - 11:37 AM

Howdy all. I would like to attach my Canon mount 135mm f/2 Samyang lens to my QHY5III178 guide camera. Does anyone know of an adapter that could accomplish this?

Thanks,

Dan

 



#2 steveward53

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Posted 27 June 2022 - 11:42 AM

https://www.astromec....org/ascom.html



#3 Forward Scatter

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Posted 27 June 2022 - 11:47 AM

Steve beat me to this as I was typing waytogo.gif .

There are several options. ZWO sells a Canon EOS to T2 adaptor  that works very well, but lacks motorized autofocus, which if you are using the manual focus 135mm lens, won't matter. 

Of course the Astromechanics is great is you have an autofocus-capable lens.


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#4 vidrazor

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Posted 27 June 2022 - 01:52 PM

I'm curious why you want to guide using your Samyang, or do you want to use it for astro imaging with the QHY5III178?


Edited by vidrazor, 27 June 2022 - 01:54 PM.


#5 Shameless Stinkhorn

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Posted 27 June 2022 - 05:49 PM

I'm curious why you want to guide using your Samyang, or do you want to use it for astro imaging with the QHY5III178?

I'm curious to know if a fast lens will allow direct guiding on fainter comets.

Dan



#6 vidrazor

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Posted 27 June 2022 - 10:16 PM

I'm curious to know if a fast lens will allow direct guiding on fainter comets.

Dan

Ah. I'm surprised programs like PHD2, or the main capture software programs, don't have provisions to compute and follow the arc of comets.


Edited by vidrazor, 28 June 2022 - 06:11 AM.

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