Açıklama
Quantitative colour test based on Farnsworth D-15.
The diameter of the stimulus is 3.3 cm and can be reduced by use of restriction rings to of 1.2 cm.
Travel tube comes with black cloth.
Quantitative colour test based on Farnsworth D-15.
The diameter of the stimulus is 3.3 cm and can be reduced by use of restriction rings to of 1.2 cm.
Travel tube comes with black cloth.
Quantitative colour test based on Farnsworth D-15.
The diameter of the stimulus is 3.3 cm and can be reduced by use of restriction rings to of 1.2 cm.
Travel tube comes with black cloth.