[Square 50x50x1.1mm]

The spectrum is as follows:
 If you are buying optical products made of glass materials such as filters/attenuators/reflectors/splitters, please pay special attention to:
1. Avoid storing the filter in a humid, high temperature environment.
2. Avoid hard objects scratching the filter surface and heavy objects crushing.
3. Take the lens with finger cots or rubber gloves. If you dont have one, wash and dry your hands before taking the lens. Place the lens lightly on the lens paper, and dont place it on rough or hard surfaces to avoid damage. When getting dust or fingerprints, use a cotton swab or cotton ball to soak a small amount of industrial alcohol or ethanol and other solvents and wipe gently. Do not use force. Slowly wipe the entire lens in one direction at a time. Avoid wiping back and forth. Wait for the solvent to cool. After drying, put it on the corresponding position for use.
4. The use temperature of colored optical filter should not exceed 80 degrees. If it needs to be used under high temperature conditions, please explain to the seller that only tempered optical filters can be used at high temperatures, but it is best not to exceed 250 degrees to avoid damage to the filter. .
5. During the use of the filter, the temperature should be avoided to rise and fall suddenly. If the temperature difference is too large, the filter will be broken. Please proceed with caution.
6. The combination of the filter and the instrument or device: If the instrument or device has threads, you can install the filter on the corresponding ferrule and then screw it to the device; if there is no thread and only structural parts, you can use AB Glue or UV glue to stick the filter to it. If it doesnt work, you can communicate with customer service and provide relevant guidance.