Object field of view(mm). Image field of view(mm). Connecting thread: international standard interface "4/5 inch 1/36 inch", diameter M200.705MM. The external thread has a diameter of 20 mm and a pitch of 0.705 mm.
The lens diameter is 200mm, which can replace imported microscope objective, high-definition imaging, long working distance. Packing List: 1pc objective lens. Please contact me before you return it. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible. If you have any problems or concerns whatever with your order or products, please message us and give us a chance to assist you before you leave any feedback.We believe we can produce a positive outcome to any situation and will work hard to earn your praise. Please contact with us if didn't find your country.