Tsubosaka FD-300N Focus Tester

Setting range: 5 / 1,000 mm (rounds 5/10,000 off)

Collimator optical system: f = 300 mm, D = 50 mm

Object to inspect: Lens f ≒ 10–75 mm

Measurement item: (1) Focal position of lens; ±Δf for standard focal position (0 standard); (2) Contrast – Contrast quantity for master lens

Sensitivity: Switchable – Low sensitivity SENS1–SENS8 (relatively bright lens); High sensitivity SENS1–SENS8 (relatively dark lens)

Communication I/F: RS-232C compliant

Power supply voltage: AC100V, 50/60Hz

Power consumption [VA]: 150

Dimensions (WxHxD) [mm]: Measurement unit 920×340×340; Display unit 156×66×100

Weight [kg]: 61

Extension function: Specification change of collimator optics