The Rusan adapter is used to connect an optic to the TA425, TA435, TA450, Nitehog Viper or Nitehog Viper 50 Next thermal imaging camera attachment. Please select the desired adapter size. How do I measure correctly?

• Please include the brand of the lens and the magnification to be sure, so that you can be sure of receiving the correct adapter. In the checkout area of ​​the shop you will find the "Order note" field.
• To determine the correct size, the outer diameter of the optics is measured, the maximum tolerance is 0,5 mm.