AF future optics

AF future optics_3Autofocus

Auto Focus Technologies
Stepping Motor Motion power Hold power Size Reliable Min focus Silent Linear BOM Mature TransChip plans 100mA Zero Large Low 10cm No No Med Yes Voice coil 40mA Low Med Low 10cm Yes Yes Med Yes Piezzo Electric 25mA Low-Zero Med Low 10cm Yes Yes Med Yes Samples in June Liquid Low Zero Med Med 3cm Yes Yes TBD No Joint project SW Low Low Low High 10cm Yes Yes TBD No Joint project

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TransChip auto-focus solution

Embedded algorithms for AF data collection Direct control AF driver

1Ltd, UK

AF module exploded view

Complete TC7030 AF module

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How the 1Ltd Helimorph works

Zero position

Minus 5mm peak displacement



Helimorph actuators are Piezo Bimorph devices, made from 2 layers or more of piezoelectric material, separated by conductive electrodes.