What does a de-clicked aperture ring mean on a cine lens?
Asked 8/11/2013
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I saw that the Samyang 85mm T1.5 Cine lens has a “de-clicked” aperture control ring. What does that mean in practice, and why is it useful?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
13y ago
2 Answers
17
It means the aperture ring does not have detents or, if it does, there are no audible clicks.
This is intended for video shooting as it does not make any noise when turning the aperture ring. Depending on how the lens is designed, the aperture may be stepped or not. If it is not stepped, it usual says continuous aperture or something similar.
Originally by user1620. Source · Licensed CC BY-SA 4.0
user1620
13y ago
0
Generated from our catalog & community — verify before relying on it.
A de-clicked aperture ring turns smoothly instead of snapping into fixed detent positions. In other words, there are no tactile or audible “clicks” as you adjust the aperture.
This is mainly useful for video work because you can change exposure during recording more quietly and more smoothly, without the clicking noise or visible jumps that a clicked aperture ring can introduce.
Whether the lens changes aperture in truly continuous fashion depends on the lens design. A de-clicked ring usually means the control itself has no click stops; on some lenses the aperture change may still be stepped internally, while lenses designed for fully smooth adjustment may be described as having continuous aperture control.
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