Automatic Temperature Compensation Refractometer with °F unit system Black industrial2 Compatible with any camera lenses

Compatible with any camera lenses with 58mm lens thread size

which can save you much and makes you always have a backup

956 Cm L X 1

Choose these picks if you're used to use small sharp pointed Jazz-style shaped (like Jazz III) guitar picks

Low-profile connector with a reversible design simplifies the connection Plug and unplug easily without checking for the connector orientation

Automatic Temperature Compensation Refractometer with °F unit system Black industrial2 Compatible with any camera lensesAutomatic Temperature Compensation Refractometer with F unit system 11 Product Features 1. Equipped with scale measurement which provides direct reading,Easy to focus and calibrate. 2. Uses ambient light only which means battery or power source is not required. 3. Heavy duty and lightweight with its aluminum construction. 4. Cushioned with soft & comfortable non slip rubber. 5. Durable and built to last long.