Compatible with for Eos 300D, for Eos 350D, for Eos 400D, for Eos 450D, for Eos 500D, for Eos 550D, for Eos 600D, for Eos 1000D, 1100D, 700D, 100D, Digital for for REBEL XSi, XTi, XS. Attaches to the viewfinder eyepiece minimizing extraneous light and vision fatigue.
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