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unobstructed optical systems. July 8th at the Hayloft.


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For our next formal meeting, Tuesday July 8th 2014, we have John Timmins, from Peak to Vaĺley instruments, coming along to give a talk entitled Unobstructed Optical Systems: image quality considerations due to baffling and magnification.

John has given us very interesting talks about refractors in the past and we look forward to his visit.

Everyone welcome, 7:45pm for an 8pm start at the Hayloft, Erewash Museum, Ilkeston.

Edited by tuckstar
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  • 2 weeks later...

Big thanks to John Timmins for another interesting and informative talk about cutting out glare in optical systems using baffles and flocking to improve contrast.

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