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Adorama.com offers this Zacuto Z-Find-Pro2 Optical Viewfinder for $375.25 with free shipping. Even better, code S0830111 drops the price to $275.25, making this the best price we could find by $85. This device works with DSLR cameras that have 3" screens and makes shooting video with your DSLR easier. It has 2.5x magnification, a padded eyecup, and more. There's no sales tax (except NJ).