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mat200 posted some stuff on another amcrest related thread in case anyone following this issue is interested; FYI - Amazon lightning deal on Amcrest ( Dahua OEM ) 8MP bullet $64

ask yourself an obvious question... if there's no framed cap and they obviously put the face on with glue, and the lens assembly is held in place by a foam doughnut - then why the hell would this bullet need any 4 screws in the front to begin with - there is no functional reason why this bullet...

as you can see from my many photos, contours are very different and no holes through the front. my guess is that's marketing from a not ip cam that pro installers are more likely to lens change. btw, i've taken apart plenty of stuff - and however they seal it; that's some serious f'ing glue...

yes, i saw that over a week ago, it's why i ordered a m12 lens from china long before i had the camera :embarrassed: now that i have it, all i have done is make it nonreturnable and will be stuck with a 4mm lens i can't use.

of course, it's the first thing i tried - that notch is purely decorative (see the photo with the 2 vise above the one you "arrowed" for us) anything you wedge in merely strips the paint inside the groove.

so now that i've given up on changing lens till someone ELSE demonstrates it can be done, how do you open a square bullet casing? i went over the camera with extra silicon everywhere, and hung it out my window. i made a notch for the wire, and am using black 4 strand 50lb's fishing line looped...

sorry guys, but this mofo don't wanna unglue unless you destroy the camera front; i tried prying rubber mallet pounding force drops of acetone in the crease drops of goo.gone in the crease and i barely made 1mm of progress repeated the prying and pounding and only ended up...

there's another film behind this one? i donno... gotta dig in there and potentially ruin it.

i want to open this dahau(amcrest) so i can change the m12 lens i tried unscrewing the mount to give the wire lots of slack, removed the microsd cover (no microsd was kept inserted), and there are no other screws or tabs anywhere, i had hoped this thing would simply come apart, but no joy...

of course... well, somebody in china has to make those cosmetic html changes that say "amcrest" instead of "dahua" :lmao:

i emailed amcrest support over the weekend; "When will the 180813 (dahua) amcrest firmware drop? all i see is 180625 with a lot of promised ivs still missing." Amcrest answered: Mon, Dec 3, 2018 12:30 pm "Our developers are constantly performing patches to the firmware over time. There should...

i wondered what you all thought of this diy idea; Polarizing Film - HIGH TEMPERATURE | eBay apply this to the lens glass of my bullet cam to reduce sunrise lens flare a hood would block too much view i need. it may also reduce glare from street lighting that's in my field of view as well. i...

for anyone interested in motion detection reliability, i was able to dial down the false triggers to 98% accurate detection (despite fat raindrops passing the field of view from a window a/c above) but discovered an intermittent bug where you get an email alert but it's missing the snapshot...

ok, i'm glad you caught that i tried that already - thanks for taking the time to suggest out of the ordinary things. trust me, after years doing all sorts of offspec things to wifi/routers, i've seen many a wacky method - work :highfive:

ok, so let me see if i have the method steps straight... i configure my router to static ip the mac of this cam to a known free lan address. i button press factory reset the camera i go into the dahau ConfigTool, help it find the camera, then firmware update it with the 8/13 bin file the...

no, after the flash the cam reboots and comes back to the amcrest login so exactly at what point do you propose i factory reset button this, have you actually seen your "method" make any difference? yes, and it errors out during the middle of the attempt, while the amcrest tools pretend the...

as i posted earlier, i tried every method i could think of to get the 08/13/2018 dahau firmware on this amcrest, and no joy. DH_IPC-HX5X3X-Rhea_EngSpnFrn_N_Stream3_V2.622.0000000.31.R.180813.bin (tried, reboot, ignored) the only IPC-HFW4831E firmware i could find is actually older, or...

so, after a full day with my new toy, the good news is i have not decided to return it yet, but there's plenty of "bad" news; bad: submitting your email for firmware updates is merely an excuse for amcrest to spam you, not only are they 4mo behind but you can't unsubscribe from the spam...

thanks again for elaborating; today i'm mostly going to trail and error the Motion Detect, email notifications(direct from it's smtp) and see if i can get amcrest to write to my NAS if they pass muster, Sunday I'll pop the front off to see what i can do about that lame lens. i emailed amcrest...

thanks for schooling me on that :goodpost:all the more reason to DIY swap out this 2.8mm lens if i can live with the handicapped IVS of the current firmware iteration. the motion detect alert area i need is only the first 20' from where i'll mount the camera, i'd still like to be able to "see"...

so far i can report the h.265 encryption on this ip cam is a major fail - too much frame skip and ghosting to be used on a regular movement area. i settled on h.264h 2560*1440 25pfs for now, but will need another 18 hours (for daylight time) to reach any preliminary conclusion on this ip cam. if...

Fourier, thanks for confirming my worst fears - that i'm going to hate having that wide frame distorted 2.8mm lens in my amcrest. i'd order a 4mm or 6mm already (may take a few weeks to arrive) but i want to wait till i have it in my hand disassembled before probably getting it wrong. my...

good news - my amcrest 4k shipped, so i should have it this weekend to play with. sadly i didn't rush my microsd and related purchases thinking it would take longer so i'll probably pull the 128gb u3 out of my phone, back that up, and use it for now. i'm sure i'm going to hate amcrest's too...

thanks for your guidance. according to an oct'2018 youtube review all it has is 4 zone movement and 4 zone privacy, and no pir, so i'm holding my breath for more ivs until i have it in my hands Dec'1st. will post what i can find by then :secret:

when posters here call this a "Dahue OEM" precisely which Dahua camera does this Amcrest 4K Bullet resemble the most - internally at least :confused: does being a "Dahue OEM" also mean you can apply Dahue's firmware and/or camera client software management apps to work with this Amcrest?

beley - got any follow up on this episode? i got it for $64 on a cyber monday promo and reading that the microsd may be iffy has me concerned about which to buy. i was going to get a samsung 64gb u3 that is often on sale for $11 on amazon. UPDATE: i have this cam and have no issues with...

but isn't a ip cam that says it's 0.07 lux no IR better at night vision than op's model that claims it's 0.7 lux no IR ? "most other" 4k have better lux rating than 0.7 no IR, but then again they don't have built in white flashlights. for example the current 4k hikvision bullets i'm considering...

odd when you consider how high the lux is on this camera. how can it use night visual ques to turn on the spot light, when the lux is unable to make out the zone movement.

what are IVS functions? so the costco bundle lorax being parted out on ebay yes = will work as stand along ip cams, or no = are still dependent on some nvr?

isn't the LNB8105X-C thing around $140 lorax already sells bundled with nvr systems? 4K Active Deterrence Network Security Camera so why the big deal with dahua, because they may sell it as singles nvr independent? btw, if you want a single to play with, ebay's full of domestic sellers at the...