WN21KM reflection / spectroscope frame Features: 1.M6x0.25 fine tooth screw adjustment, special copper nut, can axially lock the screw to prevent vibration from loosening 2. Disc spring reset, adjustable resetting force, from zero to rigid 3. Micro-plate design gap, easy to collimate 4. The lens barrel lens can be mounted on the adjustment frame after the lens is mounted. 5. PTFE gasket, protective lens 6. Mounting holes in two directions, suitable for different optical path directions Selection table:
Product number
WN21KM50
WN21KM75
WN21KM90
A
50 mm
75 mm
90 mm
B
120 mm
120 mm
120 mm
C
28 mm
50.5 mm
58 mm
Features: 1.M6x0.25 fine tooth screw adjustment, special copper nut, can axially lock the screw to prevent vibration from loosening 2. Disc spring reset, adjustable resetting force, from zero to rigid 3. Micro-plate design gap, easy to collimate 4. The lens barrel lens can be mounted on the adjustment frame after the lens is mounted. 5. PTFE gasket, protective lens 6. Mounting holes in two directions, suitable for different optical path directions
