Good-Lite Neutral Density Filter Bar

by: Good Lite
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SKU GLT00400

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Please note: Item is out of stock. Estimated dispatch 20 days from date of order.

Neutral Density Filter Bar

The Neutral Density Filter Bar allows to easily measure afferent pupillary defects (APD) also called “diminished pupil reaction to light levels”. Provides the filter values: 0.3 0.6 0.9 1.2 1.5 1.8 Density Log Units. Each filter is 1.5" (38 mm) square with an overall bar size of 10" by 1.5" (25.3 cm by 3.8 cm). Comes with a handle for easy use and case for storage.