The FLASH-A NG is the most recent member of our FLASH series. Considerably increased speed of the workpiece spindle, combined with an optimized Fast-Tool and a new designed auto loader, leads to significant improvements in quality and quantity. The combination of an optimized ultrafast tool spindle and a high-performance controller make the FLASH-A NG one of the most efficient digital surfacing-turning machines on the market.

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  • The new 4-axis machine FLASH-A NG is designed for the production of prescription lenses made of plastic
  • A high dynamic drive concept combined with an ultrafast computer controller enable highest precision in freeform surfacing within shortest processing times
  • For processing backsideprogressive, atoric, individual, front progressive and standard toric surfaces
  • Integrated cribbing spindle for lenses with a very small diameter (option)
  • Optimized automatic loading system for shortest loading/unloading
  • Special machine base for highest precision
  • Mass optimized FastTool highspeed linear drive with highest dynamics

Process characteristics

  • Cut to smooth: approx. 160 surfaces / hour
  • Cut to polish: approx. up to 80 surfaces / hour (Spherical / torical or A-torical)
  • Cut to polish: approx. up to 80 surfaces / hour (Freeform)


  • Cribbing spindle
  • Coolant tank
  • Coolant finest filter
  • Barcode hand scanner
  • Remote diagnosis 
  • LAN connection

Digital Surfacing-Turning Machine

Lens Diameter40 mm - 85 mm
Working Range Radius cvMilling -15 dpt / Turning -30 dpt.
Working Range Radius cxMilling and Turning +30 dpt.
ControlBeckhoff high resolution real-time continuous path control 15“ touch screen with interactive user interface
Lens MaterialAll organic Materials
Productivity50 lenses/h - 160 lenses/h; depending on process
ToolsMilling Tool: PCD milling tool ø66mm R6.0 HSK; Turning Tool 1: Natural diamond tool R2.0 mm; Turning Tool 2 (Option): PCD R5.5 mm
Workpiece SpindleDrive: Direct driven with high precision ball bearing concept; Interface: Collet Chuck ø43 mm DIN 58766
Air Pressure Requirement6 bar
Power Requirement (others on request)8 kW / 400 V / 50 Hz
DimensionsWidth: 1735 mm, Height: 1740 mm, Depth: 1975 mm
Weight (approx.)2750 Kg
DisclaimerAll data are subject to change without notice. Please verify details with OptoTech.

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 EMEA Region

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