Official Advantest reference showing Q8384 optical spectrum analyzer. Manufacturer reference image. The pictured configuration does not establish the offered unit’s installed options, included accessories, calibration, warranty, or availability.
Official Santec TSL-770 manufacturer reference. Manufacturer reference image. The pictured configuration does not establish the offered unit’s installed options, included accessories, calibration, warranty, or availability.
Official Santec TSL-550 manufacturer reference. Manufacturer reference image. The pictured configuration does not establish the offered unit’s installed options, included accessories, calibration, warranty, or availability.
Official Santec TSL-570 manufacturer reference. Manufacturer reference image. The pictured configuration does not establish the offered unit’s installed options, included accessories, calibration, warranty, or availability.
Third-party reference photo of the exact Thorlabs ITC4020. Background removed with an alpha-only manual mask; the physical keys and both feet remain visible. This reference does not establish the condition or accessories of the offered unit.
Manufacturer N7744A/N7745A family reference; the pictured instrument is the eight-channel N7745A. The target N7744A has four channels. Adapters shown are illustrative.