Compare Fluke Networks SFMULTIMODESOURCE Handheld Optical Light Source (850/1300nm) with 2.5mm SC/UPC Connector Price in London, UK Optical Light Source Auto Dual-Wavelength Switching 2.5mm Universal SC connector Engineered to work together with the SimpliFiber Pro optical power meter Read more Quick view Compare FOLS-201 Handheld Fiber Optical Light Source (1310/1550nm) with 2.5mm FC/SC Connector Price in London, UK Optical Light Source Auto Dual-Wavelength Switching 2.5mm Universal SC connector Engineered to work together with the SimpliFiber Pro optical power meter Read more Quick view Compare FOLS-203 Handheld Fiber Optical Light Source (1310/1550nm) with 2.5mm FC/SC/ST Connector Price in London, UK Optical Light Source Product Description FOLS-203 Fiber Optical Light Source FOLS-203 handheld light source is mini-sized dual-wavelength light sources which offers excellent stability Read more Quick view