M12 Autofocus Lenses
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An M12 autofocus lens is a lens in the M12 family whose focus adjusts itself, rather than being set by hand and left. This page covers that pairing for buyers whose board camera or small module must keep its subject in focus without manual adjustment.
Autofocus matters where the subject distance changes, where the camera or the subject moves, or where the camera cannot be reached to adjust focus by hand. In those jobs a hand-set focus would drift out of focus as conditions change, while an autofocus lens follows the change, provided the focusing behaviour suits the job.
What this pairing covers
This page discusses autofocus behaviour as a buyer requirement. Availability from Hangzhou Ai Ke Electronics Co., Ltd. is not established. Ask whether a suitable lens is available before ordering. It does not describe a particular model, and it does not state how focusing is driven or controlled, because control arrangements differ between camera systems and must be confirmed for the exact lens and system concerned.
Buyers who need focus set once and left should not assume autofocus is needed. A fixed focus may be simpler and more repeatable where the subject distance never changes, and the inquiry should say whether the distance changes or stays fixed.
Where this pairing is used
M12 autofocus lenses are used in compact devices and embedded setups where the subject distance varies, in small cameras that watch subjects at different distances, and in devices where the camera cannot be reached after assembly. They are also used where an operator cannot be expected to adjust focus during use.
They are less suited to jobs where the subject distance is fixed and the focus must never move, such as a measurement setup where a focus change would change the result. In those jobs a fixed focus may be the better choice, and the inquiry should say so.
What to confirm before ordering
Confirm how focusing works for the exact lens concerned, confirm that the focusing behaviour suits the buyer's subject distances and camera system, and confirm the model, specifications, minimum order quantity, lead time and price for the quantity required.
Documents should be confirmed at the same time. Certificates available upon request. No certificate detail is stated on this site.
Frequently asked questions
Does autofocus mean the picture is always sharp?
No. It means focus adjusts itself within the behaviour of the lens and system concerned. Confirm that behaviour for the exact lens offered.
When is fixed focus better?
When the subject distance never changes and the focus must never move, such as a fixed measurement setup. Describe the job and ask which suits it.
How is autofocus controlled?
That depends on the exact lens and camera system. Confirm the control arrangement for the lens offered before ordering.
Related pages
Questions to confirm before ordering
Model numbers, specifications, minimum order quantities, lead times and prices are not published on this site. Before payment, confirm each item below in writing for the exact lens and quantity you need.
- Confirm the exact lens category and the camera or system it will be used with.
- Confirm the model number that applies, if one is offered for your requirement.
- Confirm the specifications that matter for your application, in writing, before ordering.
- Confirm the minimum order quantity, the lead time and the price for your quantity.
- Confirm which documents are supplied with the order. Certificates available upon request.
- Confirm compatibility with your camera and mounting arrangement before ordering.
Send your inquiry to [email protected] (Contact: Melody Zheng, 0086-571-86619019, 0086-13819196867, [email protected]).