If the photograph is clicked, it grows.

ANRITSU MA9302+MA9001A Optical Power Sensor
JPY50,000　1Stock		 opt901

Wavelength Range:0.75-1.8um,
Element:Ge photodiode,
Active area diameter:5mm,
Input type:Direct photodiode,
Dimention:31(H)-400(W)-620(D)mm,<400g,
Power Measurement Range:-40 to +20dB(@1.3um),
Accuracy:+-5%(1.3um,-23dBm),
MA9001A