■ FD-30N

It measures the difference of against the focal length of master lens.
It measures contrast of lens.
The lens which can measure is F = 10-75mm(OPEN).
Can change the sensitivity of 16 steps according to the lens.
From a telephoto zoom till a wide angle.
It changes “OPEN” and “F8″ quickly, and can measure.
With a PC, it can be set up and measured. (RS-232C)

Specifications

 

Measurement item [1]Focal point of lens
± Δf corresponding to the focal position of criteria.
[2]contrast.
Amount of contrast to the standard lens.
Collimator lens f=300mm D=50mm
Lens test f≈10-75mm
Sensitivity Low sensitivity SENS1-SENS8, for relatively bright lens.
High sensitivity SENS1-SENS8, for relatively dark lens.
Measurement accuracy 5/1000 mm, but 5/10000 is rounded
External control RS-232C
Power supply AC100V, 50/60Hz
Power consumption About 150VA
Dimensions [Main unit]920(W) 340(H) 340(D)mm
[Display unit]156(W) 66(H) 100(D)mm
Weight 40.0Kg