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alekk's latest activity
A
alekk
replied to the thread
IP Cam <-> Web server direct connection and integration
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WRT #4, instead of a "push" from the camera to the web server/cloud, you might consider a "pull"- ffmpeg is your Swiss Army knife here...
Mar 19, 2024
A
alekk
reacted to
EMPIRETECANDY's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
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Lol, those people focus on the owl, bird watching cost lots of money on the equipment. in their eyes only the birds, lol. this guy's...
Feb 28, 2024
A
alekk
reacted to
Flintstone61's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
.
Dude looks like a Jungle Sniper. He forgot his Urban sniper gear. Which is probably a trash can lid, and a shopping cart.
Feb 28, 2024
A
alekk
reacted to
Parley's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
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Yes. some do. However, I would say the majority of people just walk on by. I will say the vast majority of the people that walk by live...
Feb 26, 2024
A
alekk
replied to the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
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LOL on dude wearing full Camo-Gear plus Camo-Hat ... is he hoping that will help him blend in with the surroundings so the Owl isn't...
Feb 26, 2024
A
alekk
reacted to
bigredfish's post
in the thread
Dahua AcuPick
with
Like
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Agreed. Would be interesting to know how well it works in the real world. I dont see it being a technology that would be all that...
Feb 23, 2024
A
alekk
reacted to
Perimeter's post
in the thread
Formula to set a varifocal T5442T-ZE to emulate other fixed lenses.
with
Like
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I read countless threads on this problem and how it doesn't work. But I need to know fields of view so I can check beforehand if such a...
Feb 11, 2024
A
alekk
reacted to
steve1225's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
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In cctv world focal length information is more or less faked :) You can have many different cam models all with 2.8mm fixed lens and...
Feb 11, 2024
A
alekk
replied to the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
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Once again, great info @steve1225 - I appreciate that you even mentioned that the image ratio needs to be the same. From my experience...
Feb 11, 2024
A
alekk
reacted to
steve1225's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
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One more time - Z4E has fixed aperture F1.6.. Z4 (in 5442E) have max aperture F1.8 and it closes even more in zoomed position (something...
Feb 11, 2024
A
alekk
replied to the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
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Thanks a bunch @steve1225 for the great info! Got it that Z4E was fixed aperture through the entire zoom range - sorry I didn't fully...
Feb 11, 2024
A
alekk
reacted to
wittaj's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
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I would say wide out Z4E is much closer to the 12mm limit of the ZE, maybe an equivalent of a 10mm. I felt like the S3 version of the...
Feb 10, 2024
A
alekk
reacted to
wittaj's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
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Yes they are both the S3. Do you mean with the Z4E is wide open, what zoom level does that correspond to with the ZE?
Feb 10, 2024
A
alekk
replied to the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
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Yes ... i.e. for the same field-of-view, when the Z4E wide open (8mm), what is the "zoom level" on the Z4 which goes from 2.7-12mm. And...
Feb 10, 2024
A
alekk
reacted to
wittaj's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
.
The Z4E is 8-32mm. I didn't run a test side-by-side but I do have both and my impressions are that the Z4E can run a faster shutter...
Feb 10, 2024
A
alekk
replied to the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
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Ooops ... 16->32mm typo fixed in post above - thanks. Good into @wittaj - you would certainly have an excellent "feel" for the...
Feb 10, 2024
A
alekk
replied to the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
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Circling back on the "how does the aperture vary with zoom" question ... and thanks @steve1225 for your info. I'm debating replacing a...
Feb 10, 2024
A
alekk
reacted to
steve1225's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
.
Max aperture you will find in all camera specs on Dahua site... Information about minimal aperture usually are not published... But in...
Feb 10, 2024
A
alekk
replied to the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
.
Great info - is the aperture variation with zoom setting documented anywhere?
Feb 4, 2024
A
alekk
reacted to
steve1225's post
in the thread
Mini-Review - 5442-Z4E-S3 AKA B54IR-Z4E S3 - Replacement to the 5442-Z4E
with
Like
.
Z4E have constant more open aperture F1.6 - in wide and zoomed settings... ZE have aperture which starts at F1.8 in wide settings and it...
Feb 4, 2024
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