Hikvision ColorVu + 4K (DS-2CD2087G2-L)

[Patrick E.]

(For Your Information, I am a complete newbie to this forum.)

I am a biology researcher and I am "in love" with the specs of this camera. I have the 4 MP version of this camera in both the bullet style (w/ a 6mm lens) and the turret style (w/ a 4mm lens) and they are exactly what I have been looking for, for several years. To further my current research with fireflies, I really need to get my hands on this new 8 MP model with a 6mm lens. According to Hikvision's global website and US website, this model IS available with a 6mm lens, but it's not being sold in the US. I only need one of these, but I need it "now" for my research. Does anyone know where I can definately purchase one of these with a 6mm lens right now? I don't mind paying a higher price. B and H's current price for a 2.8mm or a 4mm is $229 US, and that price would be fine with me if I could get a 6mm model. (But the fact is, they don't even have the 2.8mm and 4mm models in stock yet. )

I will appreciate any suggestions anyone has to offer.

 

[Parley]

According to Andy he will not get any new stock until mid May. B&H photo is also out of stock.

 

[ljw2k]

Lots of stock herein the UK & my supplier has plenty stock of the 2.8mm and another supplier gets stock on Monday and that reminds me I need one for my back yard.

 

[Parley]

Lots of stock herein the UK & my supplier has plenty stock of the 2.8mm and another supplier gets stock on Monday and that reminds me I need one for my back yard.

View attachment 86785

What does he show in the 6mm version?

 

[ljw2k]

Only stock of the 2.8mm version ATM but come May/June will probably have 4mm and 6mm version.

 

[spammenotinoz]

I recall someone else mentioning the crazy\stupidly low bit-rate with this camera.
I know variable changes, but not used to a 4k camera pushing a 200 kBs on highest quality settings when my 2k Dahua's HDW5442T-ZE require 600-700 kBs. That's like 3x retention for nothing with lower compute resources.
Using the Hik 2.8mm as an overview cam, with the Dahua's Zoomed in to provide detail and capture the shaded areas. Have to say though, for an overview CAM at 4k it can makes out equivalent detail as the 2k's on Full Zoom.

 

[Dave Lonsdale]

I recall someone else mentioning the crazy\stupidly low bit-rate with this camera.
I know variable changes, but not used to a 4k camera pushing a 200 kBs on highest quality settings when my 2k Dahua's HDW5442T-ZE require 600-700 kBs. That's like 3x retention for nothing with lower compute resources.
Using the Hik 2.8mm as an overview cam, with the Dahua's Zoomed in to provide detail and capture the shaded areas. Have to say though, for an overview CAM at 4k it can makes out equivalent detail as the 2k's on Full Zoom.

Extremely low bitrate - that was me. The iframe interval was also stuck at 100, ignoring the set value. It was caused by FW V5.5.160 build 201103. When I updated the FW to V5.5.160 build 210107 the camera now behaves normally. Now when on CBR, the bitrate reflects its setting. On VBR, the bitrate more or less equals CBR when on the “highest” setting and is approx 7x or 8x lower when on the “lowest” setting (static scene). Also the iframe interval now correctly reflects its setting.

I’m guessing you’re also on build 201103 spammenotinoz - you’ll notice a massive change if you update.

 

[ljw2k]

V5.5.160 build 210108 is latest On Hikvision Portal. ( EU ) UK

 

[Dave Lonsdale]

V5.5.160 build 210108 is latest On Hikvision Portal. ( EU ) UK

My mistake ljw2k, it’s 210108 and not 210107

 

[spammenotinoz]

Extremely low bitrate - that was me. The iframe interval was also stuck at 100, ignoring the set value. It was caused by FW V5.5.160 build 201103. When I updated the FW to V5.5.160 build 210107 the camera now behaves normally. Now when on CBR, the bitrate reflects its setting. On VBR, the bitrate more or less equals CBR when on the “highest” setting and is approx 7x or 8x lower when on the “lowest” setting (static scene). Also the iframe interval now correctly reflects its setting.

I’m guessing you’re also on build 201103 spammenotinoz - you’ll notice a massive change if you update.

I am on v5.5.160, BI reports the key frame as 0.4 so that aligns with an iframe of 50 and 20 fps.

 

[Dave Lonsdale]

I am on v5.5.160, BI reports the key frame as 0.4 so that aligns with an iframe of 50 and 20 fps.

View attachment 87171

Hi spammenotinoz, if your bitrate is still way too low even on the top setting, I’m sure ljw2k won’t mind me passing on to you the helpful info he sent to me that the way to fix it is to do a factory reset on the camera. So it’s a racing certainty it’s nothing to do with the firmware version and I was wrong (yes OK - yet again!).

 

[d0rk0]

Finally able to order one from B&H 2.8mm version. Still showing in stock. Lets see how much better it is compared to by DS-2CD2T47G1

 

[spammenotinoz]

Hi spammenotinoz, if your bitrate is still way too low even on the top setting, I’m sure ljw2k won’t mind me passing on to you the helpful info he sent to me that the way to fix it is to do a factory reset on the camera. So it’s a racing certainty it’s nothing to do with the firmware version and I was wrong (yes OK - yet again!).

Reset to defaults, and re-applied the same settings I had before and Bit-Rate in the day jumped to 600 and 1700 at night. Having some remorse as honestly comparing stills and footage and can't visually see the difference, may dial back the quality settings. But thanks now I know it's working as it should.

 

[kouma]

I finally got around to installing the 6mm and while adjusting the camera one of the T10 bolts snapped. I wasn't even done adjusting it and I didn't even apply a lot of pressure. Am I screwed?

 

[EMPIRETECANDY]

This model has big problem about the chips supply, we booked some at Feb. Right now delay to 20th.May.
looks like hikvision are waiting dahua 4k 1.2 CMOS out

 

[ljw2k]

Lots of stock in UK of this camera in 2.8mm

 

[EMPIRETECANDY]

2.8mm for bullet not very famous bro

 

[Rob2020]

I received a back in stock notification yesterday from B&H on the 4MM but when I clicked through the link they were sold out. Apparently a few showed up and sold right away. Looking forward to Andy getting some of these.

 

[EMPIRETECANDY]

Right now the news is 13th.May can be ready at factory, lol, hope no delay.
Hikvision is bit crazy, all items need 2 months booking, 4K models need 3 months.
Dahua booking time now also need 1.5months.

 

[DaWhoUh]

Any comments on the mic quality gents, especially compared to dahua 5442 models?