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© Rodenstock GmbH
Status: September 2023
3.2 The camera system (measuring unit)
The patented stereo camera system consists of two cameras that simultaneously capture the customer for one
measurement. The viewing angles of the cameras are arranged in such a way that an optimal measurement of
the centering parameters is possible. The flash system makes the system almost independent of ambient light.
3.3 Accessories
The following accessories are supplied with the ImpressionIST® 4+:
• Control unit (attached to the back of the device)
• Touch monitor (depending on the ordered version)
• power supply unit
• Base plate or wall mount (depending on the ordered variant)
• Instruction manual
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