... of 180 ° flip 2, with a fine focus of a large objective lens (adjustable 20mm), optional ... green color filters, optical fiber can adjust the front part of the push rod 6, coaxial lighting ... , the adjustment of the instrument in front of the switch, you can adjust the lighting ... 150W halogen lamp can quickly switch8, the manual focus 20mm fine-tuning9, built with orange and green filter10 ...