Image Engineering's new Double-Checker is a handy, relatively inexpensive double-sided chart in a pocket format.
It has the Siemens star TE148 on one side and the white balance sheet TE115 on the other, so that users can check their lens and do an accurate white balance. The TE148 is designed for making camera lens adjustments and checking back focal distance. Besides the Siemens star in the centre it has four smaller ones in each corner. On the TE115, the density of the white area is 0.15 (based on BaO4S=0), which corresponds to a remission of 70%.
The chart comes with a cover, for protection on location, plus a neckband, and costs 40 Euros/$60.
By David Fox
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