Description
Neutral Density Bar
with Handle and Case
**Pictured with 1.8 Log Units Slip-Over
(Sold Separately)
Used to measure Afferent Pupillary Defects (APD), as well as to try and break suppression. The bar offers twice the frame size as a regular neutral density bar for easier use in exams. It offers filter values of: 1.8, 1.5, 1.2, 0.9, 0.6, and 0.3 log units.
Size: 15″ x 2″
Also, each individual filter is a 1 ½” square. The product contains solid color blocks to prevent dust from gathering between the layers. It comes with a handle and leather-like pouch for storage
