A lazy afternoon, a cappuccino, and a talk with Rebecca about workshops, exposure compensation and filters.
Links for this episode:
- The Tech Guy
- Lee filters
- Cokin filters
- Polarizers on TFTTF Show #79
- Polarizers in the TFTTF Library
- The TFTTF Workshop #2 Flickr group

- Promo codes / Coupon code:
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Tips from the Top Floor, produced by photographer Chris Marquardt, is a free mp3 audio and video show about all things photography. From image composition to post processing. Use a point-and-shoot? A DSLR? Beginner? Learn photography from Chris, it's like a free photo workshop! Professional photographer? Get your refresher class here for free!







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I remembered another reason for using a UV filter……lenses like the Canon EF 17-40 L are not weather sealed until a filter is attached!
A note on coatings: the anti-reflective coatings work at only a narrow range of wavelengths. You need a multi-coated filter to cover the visual range. These are ‘quarter-wave coatings’.
As a rule of thumb, uncoated glass costs you 3-4% per surface of EACH lens element; coated surfaces cost you only about 1%.