Choosing Nikon D810 or Nikon D810a for astrophotography

Nikon has made an interesting move with the introduction of the Nikon D810a. The camera is optimized specifically for astrophotography. So the question is what are the differences between the D810a and D810? Which one is the best for astrophotography. Read on to find out more.

The Nikon D810a specialised … Continue reading