| Manually tunable lens |
![]() Manually focus tunable lens The ML-20-35 adapts itself to your specific requirements. By manually rotating an adjustment ring, the lens changes its shape from convex to flat or to concave. This unique feature allows you to choose and finely tune the focal length of the lens within -40 to +40 mm range. Optotune's manually focus tunable lens is the ideal choice for applications in:
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