
In the cells, the lenses lie with the convex side up, and when I take them out, they always bend in half - and (I had this with other lenses) it seems that a burr may appear on the lens from this. In general, not bad, the radius of curvature is 8.4, which distinguishes them favorably among the assortment

Enhance Detection Accuracy with Klein Tools ET140 Non Destructive Detection
8 Review

Govee Temperature Hygrometer Thermometer Greenhouse
8 Review

Discover Hidden Thermal Changes with BLACK+DECKER TLD100 Thermal Detector
8 Review

📏 General Tools MMD4E: Highly Accurate Moisture Meter with High, Medium, Low Measurements
8 Review

🔍 Dioxide Controller for Digital Gas Monitoring
5 Review

🌬️ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review

Portable Handheld Manometer 📏 for Accurate Pressure Differential Measurement
5 Review

🔥 Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review