DAP
Well-Known Member
- Joined
- Sep 5, 2014
- Messages
- 560
- Reaction score
- 289
- Location
- California
- Country
- United States
- Dash Cam
- Two Viofo 129 PRO cameras and a Tesla Model 3 4 Channel
nighttime test footage with exposure set to -2.
Reducing the exposure to -2 does reduce the likelihood that a license plate is over exposed into oblivion, but it does not seem to reduce the exposure time at all.
If you compare this to my test at the default exposure the smear of cars crossing the intersection seems about the same length (freeze frame). They must be reducing the exposure by decreasing the gain.
The 12mm camera does definitely increase the number of plates that can be read over the main camera, but only for cars traveling the same direction. Look specifically at the cars in the right lane near the beginning of this video. They are clearly visible with the 12mm lens, but a blurry mess in the main camera video, even though they are large enough that the numbers should be legible.
Youtube is estimating the upload will complete in 17 minutes.
If you compare this to my test at the default exposure the smear of cars crossing the intersection seems about the same length (freeze frame). They must be reducing the exposure by decreasing the gain.
The 12mm camera does definitely increase the number of plates that can be read over the main camera, but only for cars traveling the same direction. Look specifically at the cars in the right lane near the beginning of this video. They are clearly visible with the 12mm lens, but a blurry mess in the main camera video, even though they are large enough that the numbers should be legible.
Youtube is estimating the upload will complete in 17 minutes.