Alley in Pisa, Italy

by Lars Kotthoff

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3
votes
1answer
597 views

Are there any pro wildlife photographers using the Pentax DA* 300mm?

Are there any pro wildlife photographers using the Pentax DA★ 300mm? I have spent a week searching for anyone who is using Pentax kit in wildlife photography and who is getting paid for their work.
16
votes
2answers
3k views

Why do some professional cameras have dual memory card slots?

I have noticed that some cameras such as the Nikon D300s, Canon EOS 1D Mark IV, or Pentax 645D have dual memory card slots. What is the purpose of having multiple memory card slots and why would you ...