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You would need at least a 500mm lens on a sensor like this before you could start talking about a focus sweet spot. A sensor this small (6.23mm) with a lens this short (let's say 4mm?) with an aperture at f/2.0 would result in a hyperfocal distance of 2m. That will result in a depth of field...

Hi Moon, - Actually those latest frames I posted were not at 40°C but 27°C outside. (This isn't Texas or Melbourne, this is Belgium :). The average peak summer temperatures are 24°C in August. If it's 30°C outside for 2 days in a row, they already call it a heat wave over here.... ) - All...

@Moon - dashcams are supposed to be fire and forget. You shouldn't have to unhook cables, take them off the windshield or cover them up some other way or paying attention to the weather forecast or where the sun might be in a few hours while looking for a parking space... - The cardboard with a...

Are you saying the V2 you had before does not have this problem?

After 10 minutes driving with the AC on full, the image still didn't clear up... It needs to be parked in the shade for an hour first... If only my cheap Mini 0801 was still working so I can prove not all dashcams have this problem... Reports from people in much hotter climates than mine, using...

Unfortunately this 3rd unit has the same problem. (Maybe even worse as the original one, but then the temperature wasn't quite as high then.) Did a normal test run, straight out of the garage; then parked the car facing the sun for 3 hours. Outside temperature 27°C. (Clickable for full size)...

I've been away from this forum for a while, but the last few weeks, we had hot weather (25-30°C) and I was able to collect more sample footage. (As explained earlier, the problem with this sample is limited to the right half of the frame (irrespective of sun angle). Clickable for full-size.)...

I could try it tomorrow; cam on the garden table, hairdryer pointed at the lens, recording as it happens. (To do it properly though, I would need an infrared thermometer to match the temps, which I don't have :))

No offence, but it's actually unreasonably long... My first SG had the problem across the frame, so your argument could theoretically hold up. However, my second SG seems to have the problem limited to the right half of the frame (at lower temperatures, but it might just as well "grow" to the...

No it's not "normal". Yes, the left hand side is normal (as opposed to my original SG which was affected across the frame, admittedly at higher outside temperatures than today). And yes the sun has shifted left to right, but if that's what's causing the softness, than you are saying any sun in...

The angle of the sun after 2.5h isn't that much different that it would warrant such a shift in focus on the right hand side. Also on the last 2 sets, there is no difference in sun angle (same time, different day). As in all my previous comparisons in this thread, temperature is the only...

How do you mount the SG to it? Do you have a picture of it? I'm getting a new car in 2 weeks; might be good to quickly mount a cam in there before driving home. Murphy's Law and all that...

Drove to work and parked the car with the replacement SG9665GC V3 facing the sun and drove off again a couple of hours later. Today was sunny, but temperature was only +-12°C. Despite the low temperature, the problem became clear again: the replacement unit has the same issue, although it seems...

No it doesn't. Not noticeably anyway... (Motion blur is something else, but during daytime, with or without CPL won't make much difference even for motion blur.) I'm just crossreferencing this thread, because I have the exact same issue...

I still have the thick one in the box. But 'm getting a new car next month and I prefer to hold off removing the existing mount until then, and leave everything as-is for a few more weeks...; I'll have to pry it off then anyway. (Cutting loose my previous Mini 0801 mount wasn't exactly easy nor...

Thin. The angle of the thick mount bends the cables too much against the windshield, making sliding the cam on/off very impractical (when sliding off, the cam slides to the thin side of that mount, pressing the cables even harder against the windshield. The thin mount seemed safer, and seemd to...

Thank you. Temperature forecast for the next 14 days is unfortunately way below average right now... (10-15°C, mixed clouds), so I won't be able to test and compare like I did a few posts back for another 2 weeks...

Ok, I haven't saved much clips using my first SG9665gc V3, but I've tried to make an audio comparison with the replaced SG: In the next video (no eva pad) you can hear me adjusting the cam & lens and you can actually hear the pitch change at a certain point (the "blocked ear" rumble effect...

Just did that, there's an improvement yes, (can't fully "click" the cam in the mount anymore because it's so snug now), but it still sounds a bit like you have a blocked ear or something... Still sounds worse than the previous SG without pads... Don't have much saved clips from the previous cam...

No foam pads, both on old & replacement.