Please post instructions and pictures on how to refocus the lens.
Refocussed mine because distant objects were blurry while close ones were relatively OK. License plates were visible fine from within a couple of meters, but hardly readable from 8 meters distance.
I took only a couple of pictures, the rest can be checked from
Niko's post
So, once the case is opened, and lens enclosure is split apart, you have to unscrew 2 screws and take out the lens:
![upload_2015-4-6_21-39-38.png upload_2015-4-6_21-39-38.png](https://dashcamtalk.com/forum/data/attachments/12/12354-a376fb81296e7d51700ecb1aaf6694ef.jpg?hash=o3b7gSlufV)
Then I cut the glue that holds the lens in a fixed position with a sharp knife (cardboard cutter can be used). The base is made of plastic and the screw with a lens seems to be made from aluminium. Then I used 2 pairs of narrow pliers to hold plastic base and turn the lens with a thread counter-clockwise while applying force to make glue break. Note that metal and the thread is quite soft and it can get damaged easily (not something I was worried about myself as only lower part of the thread is used anyway).
![upload_2015-4-6_21-41-23.png upload_2015-4-6_21-41-23.png](https://dashcamtalk.com/forum/data/attachments/12/12355-7889ec41983ffa942f047c4c98052fbe.jpg?hash=eInsQZg_-p)
My refocus consisted of turning the lens ca 30 degrees clockwise and putting some hot glue on the thread to keep focus in place. I recommend to mark initial position of the lens before adjusting so that it's easy to go back to initial setting and start over if needed.
Before starting to re-focus your lens, check that lens base is properly fitted to the board as it may be a bit loose sometimes (check step 2
here ).
Previously objects that were even 10 cm close to the cam were in focus which meant that remote objects (e.g. 10 m and more) weren't focussed properly. From my experiments I found that best focus point for this lens is when an object becomes sharp from ~30-40 cm minimum distance (a magazine cover was a perfect object for testing).
Results can be seen below (firmware used is aka
"March 20th") - a snapshot from video (not the best examples, but still):
Before re-focus:
![before.jpg before.jpg](https://dashcamtalk.com/forum/data/attachments/12/12358-8f4cd5a8b9d9bde0ca13803c42f87bc3.jpg?hash=j0zVqLnZve)
After re-focus:
![after.jpg after.jpg](https://dashcamtalk.com/forum/data/attachments/12/12359-b27c91c038c3764a9218c7aa77cebbc7.jpg?hash=snyRwDjDdk)
As you see, most distant objects are much sharper now and I'm happy with the results.