• Consists of two screens, one delineating a square format and the other a 4x5/8x10 format
  • Comprised of screens with the aspect ratio area marked with a thin border
  • Based on the standard focusing screen for the 1Ds (Ec-CIII), but incorporate a crop line to aid in shooting to a fixed aspect ratio
  • No adjustment required for proper ambient or flash metering
  • Compatible with: EOS-1D Mark III, EOS-1D Mark IV & EOS-1Ds Mark III
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