I took my first astrophoto around twenty years ago. With a Smena 5 camera and a 40mm f/5.6 lens – a camera not very well suited for astrophotography. Then, things got better. I had a Zenit and a Praktica, but I settled for an Olympus OM-1, probably the best 35mm film camera for astrophotography. My parents bought me a 50mm f/1.4 lens; I was hoping for an f/1.2, but it was too expensive for their budget. I used the OM-1 for many years and I fell in love with it and its range of lenses. Some more years passed, and film cameras were surpassed in performance by digital technology. As, outside my astrophotography, I was shooting with a Canon SLR. it made sense for me to choose Canon DSLR as my main camera. Being a professional photographer, I used almost all top lenses out there, no matter the manufacturer. Of course, I was using the same lenses for my astrophotography. And then, I had a problem. My expensive lenses, which allowed enough detail to print wall sized advertising photos, were not exceptional for astrophotography. What was wrong? When I was shooting wide open (and you need that in astrophotography from […]