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Forum: Visitors' Center 11-06-2019, 05:16 PM  
Recommended Lens for K3-II Astrophotography Produced Anything But Stars
Posted By ecostigny
Replies: 21
Views: 2,278
I've been using this one: Light pollution map
Forum: Visitors' Center 11-05-2019, 02:57 PM  
Recommended Lens for K3-II Astrophotography Produced Anything But Stars
Posted By ecostigny
Replies: 21
Views: 2,278
Winter is the best time for astrophotography here in Connecticut as well, but the light pollution is so much worse than it is in Maine. I'm trying to find dark skies that are relatively close to where I live.
Forum: Visitors' Center 11-03-2019, 04:10 PM  
Recommended Lens for K3-II Astrophotography Produced Anything But Stars
Posted By ecostigny
Replies: 21
Views: 2,278
I never heard of the red intensifier or didymium filters, but I'm intrigued after googling them. Have you tried them, and how well have they worked for you?
Forum: Visitors' Center 10-04-2019, 02:10 PM  
Recommended Lens for K3-II Astrophotography Produced Anything But Stars
Posted By ecostigny
Replies: 21
Views: 2,278
My first try at astrophotography yielded blurry results because the lens (a Sigma 17-70 f2.8-4.5) allowed me to focus past infinity in manual focusing mode. Once I realized my mistake, I was able to get reasonably sharp pictures (See example below, exposed using the ETTR technique).

My biggest constraint now is the light pollution on the Connecticut shoreline; this web site suggests I have to do some driving if I want some darker skies: Light pollution map

I've heard good things about the Samyang 14mm and 16mm lenses for astrophotography. Maybe some day...

I found this series of articles to be very helpful in getting started: How to Do Basic Backyard Astrophotography, Part I: Introduction | B&H Explora

Enjoy!
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