Focal distance for positive diopter settings can be calculated by the formula:
F (cm) = 100 cm / diopter setting
31946mar 1 month ago
cant we delete no2 exercise just by keeping our glasses on.
vimpel80 4 months ago
Focal distance for positive diopter settings can be calculated by the formula:
F (cm) = 100 cm / diopter setting
31946mar 1 month ago
cant we delete no2 exercise just by keeping our glasses on.
vimpel80 4 months ago