astrophotography

The world’s largest digital camera for astronomy is complete. Once in place on a telescope in Chile, the LSST Camera will gather an unprecedented amount of data about our Universe, yielding new insights into everything from dark energy to asteroids. For the tech-geeks: [The sensor] is made up...

This is a very good empirical discussion thread by Alan that helped me understand about reality of TCs with image quality. I have questions indirectly related to what was discussed. Background: I am wetting my feet into Astrophotography, specifically Deep Sky Objects (DSO) using DSLR and...

Hello. I own a Canon R5 with several lenses including the 8-15mm EF fisheye and the 15-35 f2,8 RF which I use mostly for astrophotography (Milky Way and Northern light). I just came across the latest Laowa 12mm f2,8 BUT I am not sure if can somehow fit between the EF Canon fisheye which I...

Hi guys, I've been waiting for an EF14mm F2L since it was rumored back in April 2018. Since then the R mount has been released. Do you think this means that any release of an awesome Astro lens would only be in an "R" mount? I have a 1DX II but just want a superb extra-wide angle...

Hi - I'm looking to get into astro landscapes and am considering the Sigma 14 1.8 or the Sigma 14-24 2.8. I expect most images to be towards the wide end but extra flexibility of the zoom sounds good. I do a lot of landscapes and already have the Canon 11-24, 17 + 24 tse's + 35 1.4ii. Has anyone...