ID at 10m/30ft Using Turrets

essjay

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I had a car door checker the other night and while we were able to ID the guy (the village idiot), it left me wanting more and thinking I can do better. It was a concealed 5231-Z5 bullet in B&W that got him. Probably as with many others, it's when an incident happens you realise the gaps your system has. I'll leave the 5231-Z5 where it is as I can conceal it and it's not on the front of the house but I'd like to supplement it with a colour camera. It's watching the only entrance to my house, 10m/30ft away.

As the next camera needs to be on the front of the house it's got to be a turret. In my mind I have two options. A 6mm 5442 or the VF 2231T-Z-S2. The VF can get me closer but the 5442 can get me a better colour image at night. I'll have supplemental white light anyway. If I think about it, anyone entering the property needs to walk directly towards where the camera is mounted so the 5442 should be good enough.

Thoughts?
 

essjay

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Agreed. I think the 6mm might just about be enough.
 

aristobrat

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In my mind I have two options. A 6mm 5442 or the VF 2231T-Z-S2. The VF can get me closer but the 5442 can get me a better colour image at night.
Seeing as how both cams have the same 0.002 min color Lux rating (so the night color image quality should be about the same), I’d test both out on IPVM Camera Calculator V3 and see what the PPF values look like at the spot you want to ID folks at.
 

essjay

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Interesting. I didn't realise the IPVM calculator gave you PPF.

The the very edge of my property:
6mm 5442: 72 PPF
Max zoom 2231: 104 PPF

Halfway up my drive:
6mm 5442: 168 PPF
Max zoom 2231: 233 PPF
 

essjay

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Agreed but as it's the front of the house, I need turrets. I had the 2231 set to max zoom on IPVM calculator. To an extent the extra pixels on the 5442 6mm make up for the loss of zoom but the 2231 VF still wins.

I think I'll get a couple of 2231 VF's.
 
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