The Mixed contrast chart contains Black and 20% Weber (11% michelson) contrast.
$109.25
The Colenbrander Mixed contrast chart contains Black and 20% Weber (11% michelson) contrast.
No
Multi-Distance
None
Mixed
100%, 10%
10%, 100%
General/Literate
SLOAN
Logarithmic Progression – Not ETDRS
Yes
24.5×25.5 in
62×65 cm
40M to .6M
20/80 to 20/16
20 to 130
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