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Field Flattener for Altair Astro Starwave 70ed

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#1 morden8uk

morden8uk

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Posted 24 January 2019 - 05:36 AM

Hi All,

 

I have an Altair Astro Starwave 70ed f6 Travel Scope. I'm looking to pick up a field flattener for the scope to start some imaging with my DSLR.

 

I can see on the AA site you can buy a dedicated FF/Focal Reducer.. I'm not that keen on reducing the focal length. So I've been looking at just FF's . Can anyone advise what will work and not provide focus racking in/out issues?.

 

https://www.firstlig...-flattener.html

 

https://www.altairas...-flattener.html

 

https://www.altairas...refractors.html

 

https://www.altairas...-refractor.html

 

Thanks & Clear skies! Rob




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