The Kase Night Focus Tool is designed to assist you in manually focusing on light sources at night. This can be both man-made or stars for example.  A series of thin lines etched into the flat surface allow you to focus to a sharp point of light, no more out of focus night images.

Kase Night Focus Tool

100 x 100 Square Etched Optical Resin Filter
Protective Pouch
High Transmittance Rate
High Hardness
CNC Manufactured

The producing processes are according to the rule of EU ROHS, EN 71-3 requirements and reach the quality requirement of light weight, non-toxic, safety and environmental.