Features 1、Suitable for HD Multimedia Interface VGA USB industrial video microscope camera. 2、The lens is a C-type adapter, which is used to connect a camera or digital eyepiece to a microscope. 3、The blue anti‑reflective coating of the lens increases the light transmittance. 4、0.7‑5x magnification to meet more needs and obtain a wider field of view. 5、The product is made of high quality material to give you a more professional working tool. Specification Item Type: Microscope Lens Material: Aluminium Alloy Color: As shown in the picture Uses: Electronic detection, crystal detection, etc. Application: Suitable for HD Multimedia Interface VGA USB industrial video microscope camera 10X-200X C-Mount Lens: Working Distance: 90MM-150MM Scaling Ratio: 1:7.2 Magnification: 0.7-5x (approximately 10-200 times on the screen). Maximum Magnification Field of View: 3.2mmx1.8mm. Minimum Field of View: 37mmx21mm. Eyepiece Lens: 0.4X Product Size: Approx.55x135mm / 2.17x5.31in(D x L) Weight: Approx. 508g / 17.9oz Package List 1 x Microscope Lens