As a Sigma Pro team member I had the privilege of being invited to give lectures and workshops at the 2014 Festival of Cranes out at the Bosque del Apache National Wildlife Refuge. I have visited the refuge many times before, and, while I was excited about being able to photograph the birds again, I was most excited about my two nighttime lectures and workshops at the Very Large Array (VLA). These giant radio telescopes would make a great foreground subject for a star filled sky. Nobody has been allowed on the property at night since 2009, so I was very excited about taking a group out to the location. Sigma Photo would sponsor the event, and I agreed with the organizers of the festival to take out 40 participants each night. With a group that size, I knew I wouldn’t get much of a chance to take pictures myself, but it would be a great learning opportunity for the class. The image at top is one of the few I was able to take during a break in the instruction.
In part one we discussed the use of polarizers and solid neutral density filters. So what other filter should you […]