Hd-Sdi, Is It All Its Cracked Up To Be?

[isntworkdull]

Hi All,

i just wanted to check other peoples opinions here on HD-SDI cctv.

I recently purchased a HD-SDI camera and HD-SDI dvr, and i have to admit, during the day the images are amazing litterally like watching TV i suppose.

However i am dissapointed with the night vision, it is very fuzzy, i believe the correct term is "noise". Well theres loads of it, i would guess this image at night is basically useless.

The seller has told me this is normal, i even sent image snaps and he said it looks perfectly normal to him, that the night vision does suffer from "noise" and that is common with HD-SDI as they use CMOS sensors.

Any others can enlighten me on whether HD-SDI generally has bad quality night vision, or if i should be returning my camera for another...

thanks

James

[PeterJames]

Hi All,

i just wanted to check other peoples opinions here on HD-SDI cctv.

I recently purchased a HD-SDI camera and HD-SDI dvr, and i have to admit, during the day the images are amazing litterally like watching TV i suppose.

However i am dissapointed with the night vision, it is very fuzzy, i believe the correct term is "noise". Well theres loads of it, i would guess this image at night is basically useless.

The seller has told me this is normal, i even sent image snaps and he said it looks perfectly normal to him, that the night vision does suffer from "noise" and that is common with HD-SDI as they use CMOS sensors.

Any others can enlighten me on whether HD-SDI generally has bad quality night vision, or if i should be returning my camera for another...

thanks

James

What model and spec? I have used a few MP Mobotix Dalmier and Arecont cameras with mixed experiences, mostly good.

[Ronnie]

Hi All,

i just wanted to check other peoples opinions here on HD-SDI cctv.

I recently purchased a HD-SDI camera and HD-SDI dvr, and i have to admit, during the day the images are amazing litterally like watching TV i suppose.

However i am dissapointed with the night vision, it is very fuzzy, i believe the correct term is "noise". Well theres loads of it, i would guess this image at night is basically useless.

The seller has told me this is normal, i even sent image snaps and he said it looks perfectly normal to him, that the night vision does suffer from "noise" and that is common with HD-SDI as they use CMOS sensors.

Any others can enlighten me on whether HD-SDI generally has bad quality night vision, or if i should be returning my camera for another...

thanks

James

try posting an image here.

[isntworkdull]

Hi there

Just attached an image... as you can see, the image quality is terrible... and again i should point out in good light the image quality is amazing...

regards

James

[PeterJames]

are you using any IR light ?

[isntworkdull]

the camera has IRs built in... and they are on, i can see them...

But to be honest, i do not believe the camera can... i mean that is supposed to be an out door camera with 30 metres night vision... but its not very bright is it

i should point out that picture i just took over the network, which i think is limited to 720p... but even so, it doesnt look like 720p in night vision to me...

[PeterJames]

Can you adjust the shutter speed?

[james.wilson]

You need some decent lighting. Built in lighting is always cheap and poor. Better than no lighting but not much. Add a decent emitter and you will be ok

Hd sdi is a good standard but it looks like you have low end cameras

[isntworkdull]

it does have a load of settings on the camera itself, via an OSD... i did play about with them when i was last testing it... and if i remember right there was a shutter speed... but i dont think i adjusted it...

Will be back in office tomorrow and will see what happens if i adjust that...

thanks for the tip

[PeterJames]

I see you avoided my question about the model and spec, I cant think of any branded HD with built in IR