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jbeale
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Re: Foundation Camera Board information

Mon May 13, 2013 10:54 pm

Ravenous wrote:Anyway a lens like that, which is capable of getting close enough to the sensor, is going to be very hard to find. (And hard to mount it in exactly the right place!)
Yes, you would have to find your own mounting bracket and install it so the lens axis is accurately normal to the sensor surface. There is not a huge market in separate lenses for 1/4-inch format optical sensors, but some are sold for use with "board-level" cameras. You can also use a 1/3-inch format lens (more common) and accept a smaller field of view than the lens was designed to give (1.33x crop factor from 1/3" to 1/4").

Just as an example, here is a 1/3" format board-level camera, which takes a variety of lenses using a M12 x 0.5mm mount.
http://www.edmundoptics.com/imaging/cam ... eras/62281

Here are some examples of lenses which fit such a M12x0.5 mount:
http://www.lenoptec.com/showpro/97.html
http://www.edmundoptics.com/imaging/ima ... enses/2589

The latter link shows some $90 lenses with a resolution specified at 150 lp/mm @ 20% Contrast (on-axis).
Last edited by jbeale on Mon May 13, 2013 11:16 pm, edited 1 time in total.

MmmPi
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Re: Foundation Camera Board information

Mon May 13, 2013 11:11 pm

poing wrote:And where did you order it? Can't seem to find it...
"Register your interest" at http://downloads.element14.com/raspberry-pi-camera/ and hope they send you an email today... or just wait till tomorrow? Might be officially available then.
.

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penguintutor
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Re: Foundation Camera Board information

Tue May 14, 2013 5:40 am

The camera is now available from Farnell:

http://www.farnell.com/pi

I've ordered mine this morning.

poing
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Re: Foundation Camera Board information

Tue May 14, 2013 6:23 am

At this time (just woke up) it's available from Farnell if you're a consumer with a credit card. I don't have a credit card but I do have a business account with Farnell - out of luck :-(

Off to work, hope they made enough...

poing
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Re: Foundation Camera Board information

Tue May 14, 2013 6:47 am

Ravenous wrote:I think I read somewhere that many very small sensor cameras are already fairly close to their diffraction limit, due to the very small (physical) aperture. But I did optics in the 1980s and can't remember the formula. 1.22 lambda over something...?

Anyway a lens like that, which is capable of getting close enough to the sensor, is going to be very hard to find. (And hard to mount it in exactly the right place!)
The fixed aperture of the lens is f/2.8 I think. Diffraction is always present but gets stronger if you choose a smaller aperture. Whether you visibly record it depends on the size of the pixels. Possibly they chose the aperture of the lens to be at the edge of where diffraction becomes truly visible bearing in mind the pixel size. However, if the lens is not that good it doesn't really matter.

The sensor-lens distance depends on the design of the lens. Every F-mount lens for Nikon DSLRs needs a distance of (IIRC) about 43mm, for Canon it's a bit shorter. That said, if the focal length of the fixed lens on the board is 3mm, well, my shortest lens for Nikon is a 10mm fisheye, so that would become a tele with the Pi camera. But the fun is of course to mount a 200mm lens or longer ;-)

Here's a 6MP 2003 image from a Nikon D100 taken with a then already discontinued zoom lens:
Image


and a crop to show the detail:
Image

The combo was about €2600 back then IIRC.

ModifiedPi
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Re: Foundation Camera Board information

Tue May 14, 2013 7:21 am

Nice, I went straight to the CPC website this morning at 6:48am & placed my order with ease. The camera is shown on the CPC home page, paid with my Visa Debit card without difficulty - Seems to be first come, first served basis.

Just need to figure out what I'm going to do with it once it arrives, leaning towards a waterproof wildlife trail camera project.


Cheers

Mark
Mark P

RPi Model B, CSI Camera Module, Pi-Face & More

tenochtitlanuk
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Re: Foundation Camera Board information

Tue May 14, 2013 7:21 am

Officially announced this am. Already out-of-stock at Farnell by 08-10. And RS still saying 'coming soon'! Oh well,,,,,

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fbutler
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Re: Foundation Camera Board information

Tue May 14, 2013 7:27 am

tenochtitlanuk wrote:Officially announced this am. Already out-of-stock at Farnell by 08-10. And RS still saying 'coming soon'! Oh well,,,,,
Are you sure that you are not looking at the business customer page? Try here for the consumer customer page: http://cpc.farnell.com/jsp/bespoke/besp ... era_lp.jsp

babbage
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Re: Foundation Camera Board information

Tue May 14, 2013 7:57 am

Just ordered one via CPC site, get there quick :-)

vempele
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Re: Foundation Camera Board information

Tue May 14, 2013 8:10 am

Just ordered from RS.
Haven't received a confirmation email though and my order reference number looks somewhat suspicious.

EDIT: just received confirmation. And now ref.# seems legit (was "-1").
Last edited by vempele on Tue May 14, 2013 8:17 am, edited 1 time in total.

Maxion
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Re: Foundation Camera Board information

Tue May 14, 2013 8:14 am

vempele wrote:Just ordered from RS.
Haven't received a confirmation email though and my order reference number looks somewhat suspicious.
The "Dispatch within three weeks" sounds a bit sad, too...

vempele
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Re: Foundation Camera Board information

Tue May 14, 2013 8:41 am

Maxion wrote: The "Dispatch within three weeks" sounds a bit sad, too...
...but it might be tomorrow. One has to think positive :mrgreen:

jamesh
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Re: Foundation Camera Board information

Tue May 14, 2013 8:41 am

vempele wrote:
Maxion wrote: The "Dispatch within three weeks" sounds a bit sad, too...
...but it might be tomorrow. One has to think positive :mrgreen:
Exactly.
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Maxion
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Re: Foundation Camera Board information

Tue May 14, 2013 8:45 am

...aand it changed to within 1 day, so I placed my order... fingers crossed!

poing
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Re: Foundation Camera Board information

Tue May 14, 2013 1:14 pm

Order placed...available 19-05-2013 from Farnell NL.

gsh
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Re: Foundation Camera Board information

Tue May 14, 2013 1:25 pm

gordon77 wrote:
jamesh wrote:Nice job getting that apart M33P! Just a warning that according to Omnivision the IR filter will be almost/completely impossible to remove.
Just like they said you couldn't remove the lens ;)

You do realised _why_ we say things like this right?

The number of people who enjoy going out of their way to prove us wrong is amazing, far more than people prepared to actually help!

Gordon
--
Gordon Hollingworth PhD
Raspberry Pi - Director of Software Engineering

Ravenous
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Re: Foundation Camera Board information

Tue May 14, 2013 1:36 pm

Sadly now you're gonna have a flood of returns, frm people complaining of dust blobs in their camera, and concidentally the lens adhesive will be missing :lol:

(Only kidding. Well, half kidding.)

mikerr
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Re: Foundation Camera Board information

Tue May 14, 2013 2:01 pm

I'm waiting for the reports of "no sound from the raspi camera" ...
Android app - Raspi Card Imager - download and image SD cards - No PC required !

Ravenous
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Re: Foundation Camera Board information

Tue May 14, 2013 2:07 pm

mikerr wrote:I'm waiting for the reports of "no sound from the raspi camera" ...
Or as Kryten might say, "Where's the zoom mode?"

Actually despite my sarcasm above, I'll bet someone somewhere is already working on a sound system, probably quadraphonic... I have noticed there are some clever people lurking around here :ugeek:

mikerr
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Re: Foundation Camera Board information

Tue May 14, 2013 2:16 pm

I see the CPC spec says 640x480p as 90fps as the fastest,
but the module datasheet says 320x240 120fps

not seen any mention if that made it through?
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jamesh
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Re: Foundation Camera Board information

Tue May 14, 2013 2:19 pm

mikerr wrote:I see the CPC spec says 640x480p as 90fps as the fastest,
but the module datasheet says 320x240 120fps

not seen any mention if that made it through?
90 is the fastest the sensor will do (module datasheet is wrong) but we haven't got it to work at that speed yet. We are currently limited to 30fps, but that should change as we figure out why it doesn't work yet.
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madrian
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Re: Foundation Camera Board information

Tue May 14, 2013 5:11 pm

It is possible to record and stream at the same time?

jamesh
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Re: Foundation Camera Board information

Tue May 14, 2013 5:17 pm

madrian wrote:It is possible to record and stream at the same time?
You'll need to modify the software but it should be possible.
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dom
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Re: Foundation Camera Board information

Tue May 14, 2013 5:43 pm

jamesh wrote:
madrian wrote:It is possible to record and stream at the same time?
You'll need to modify the software but it should be possible.
You don't need to modify the source code. Use the output to stdout option and pipe through tee.
(Or record at the other end of the stream).

jamesh
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Re: Foundation Camera Board information

Tue May 14, 2013 5:51 pm

dom wrote:
jamesh wrote:
madrian wrote:It is possible to record and stream at the same time?
You'll need to modify the software but it should be possible.
You don't need to modify the source code. Use the output to stdout option and pipe through tee.
(Or record at the other end of the stream).
Ah, my Linux-Fu isn't strong enough. Didn't know you could do that! There's always something else to learn - and that is usually that someone has thought of it already!
Principal Software Engineer at Raspberry Pi (Trading) Ltd.
Contrary to popular belief, humorous signatures are allowed. Here's an example...
“My wife said to me `...you’re not even listening`.
I thought, that’s an odd way to start a conversation.."

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