Single Board CMOS for Ambient Light Conditions

Hi JohnDG: Thank's for reminding me that my facebook was closed for others than my friends! I've now changed the settings in my profile and hope the problems are solved! Looks forward for your comments! You'll find the info you need. lars j.

Hi JohnDG Well,well..., there were some more settings in dif.colums. It should be accesable now. I just don't know how to post pictures here at Global Spec,-that would be easier. There are 2 pictures with the videoscope and the datasheet frome Lumenera who's the suplyer of the unit. I'm new here,so i'm sorry for the convenience. Lars .

CR4 Admin-

This blog entry explains how to post images. At this time the web browsers that support the toolbar used to insert images are Internet Explorer and Firefox. Make sure you can see the toolbar with the camera icon when you're trying to insert an image. http://cr4.globalspec.com/blogentry/12466/How-to-Post-Pictures

Thank's, i have the safari running( Mac), but i shall switch over to internet explorer and do my homework!

Would be best if you can post images (or links to them) here - Facebook now gives me a link to your photos, but still won't let me see them.

Also, one of the administrators seems to have thoughtfully edited your name and the details about looking you up on Facebook out of your OP (original post), so one-one else here stands a chance!

Hi, errors,errors. I take a quick exercise and come back soon!

Are you looking for something like this (?):

http://www.edmundoptics.com/onlinecatalog/displayproduct.cfm?productID=2947

Hi Usbport: Your'e close! If you can imagine this: I need the 1/2 image sensor-but not with the square enclosure or housing because i want to have the chip circuit board like a max 1inch wide obstruction. Imagine a 1 inch(max) cylinder, inside you can place the image sensor(1/2inch) but not the rest. Therefore a strip-like circuit board would fit. Since there have been so much trouble for you people to get access to my facebook pictures, i'll put this particular picture/datasheet as a profile picture within 15minutes. Then everyone can have a look. Can't get my Mac to sene pics direct to here.( lack of instruction for mac-users). Give me 15 minutes! Lars

"Lipstick" or "Bullet" Camera like this one?

Smaller Micro Cameras are also available.

I know these are CCD based, but are the sizes and resolutions acceptable?

There are similar size/resolution CMOS based versions. Why do you specifically require a CMOS imager?

hi, Thank's, interesting cameras, But i need only the sensor & a long chip& circuit board at the end with mini usb connection.I will study your link deeper afterwards and comment if something suitable occur. Why Cmos, just didn' find the right unit in ccd or found anything at all. At my facebook site,Lars Johannes Johansen, Norway,- i've posted a picture of the perferct match, it's a datasheet with incl. picture. Unfortunatly under development. It must be color ,and i want to machine a cylinder around the unit and mount it in the light pathway of a mirror-telescope.Purpose: to reduce optics ,diagonal s & other obsrtuctive elements in telescopes. The idea is to come between a dedicated astro video camera and cheap elec. eyepieces.

Hi,-not primarily for astrophoto, then i would choose a dedicated astrophoto camera. The purpose is to make a videoscope that can show good video of both planets/the strongest astro-objects and nature by daylight and in ambient light conditions. By eleminating some obstruction factors,optical flat factors( there are many )- i can also maximize the light before it's entering the image sensor. Result: Better incoming quality of the focused light. A sensor which can be placed at the focal point , will have better performance , and a min. radius of the sensor gives min. obstruction ,fewer optical flats ,etc.The errors of the surface of a diagonal mirror, also increases the quality of light at the end of the system. There are digital telescopes on the market, but i haven't seen one made in this way and not a mirror-based system. Mirrors collects more light for less money too, and a fast system has benefits here. A Schmidt /Newton would do very well here.. I'm by the way machining all the parts except of that unit here at my workshop.Have several ideas and prototypes in the astro-equipment field. All the digital features following a unit as described, will make easy conection to div. media, - bring video to larger groups etc.Lars

The sensor would need to be able to handle a huge dynamic range of intensities for astro and terrestrial photography. If the camera is sensitive enough for astro work, it may be too sensitive for daylight terrestrial work as well. Some of that dynamic range can be handled by your exposure time, but you'll still need either an iris diaphragm to limit the daylight intensities or an auxiliary neutral density filter that can be attached for daytime use.

I'm not sure why the Microsoft webcam I linked above can't be suited to your needs. You could even machine an adapter to allow its use with commercial SLR camera lenses, including lenses with built-in irises. I have a Meade DSI that I use this way. At night I can use the Meade cam with any of my telescopes, and for daytime use I hacked an old SLR lens that I can screw-in to the front end of the Meade cam. I then use a neutral density filter to prevent overloading the camera sensor.

Here's a link to some ND filters:

http://www.edmundoptics.com/onlinecatalog/displayproduct.cfm?productID=1945

Hi, it's good info you give me, and i see that there's a lot to learn! So i'm closing the issue in and update myself afterwards. I could easily have 2 different sensors with the same diameters and switch between day/night manually due to dynamic range. Haven't had time to check all of your links, but i'll look at the microsoft unit. Another point is to have a large digital zoom and high resolution to enable that, instead of too many ocular elements in front of the sensor.May be it sounds like i'm asking for too much , but i have to find out of this . Want to say thanks for to day and eventually come back tomorrow!( Norway time= late night right now!) Lars

Digital zoom is just, IMHO, throwing data away. I've yet to be convinced otherwise.

Agree ,and it's limited offcourse.Lars.

Here's what Lars posted on Facebook:

... which no-one will be able to read, but this is a link to the data on the Lumenera site.

_{[Aside - Lars, if you'd given us the manufacturer/model number (or better yet, a link such as I've supplied), we could have circumvented all that Facebook hassle and found it ourselves. Use the internet, don't fight it. Just a tip for the future.]}

Hi, yes, but this unit isn't possible to find there,-it's under development . I got it sent frome Lumenera after 4 days of mailing .But it's not listed up under their products. And it's not for sale! So that's why tings gets so frustrating.This is an example of what i want.lars

I've just downloaded the datasheet - same first page as you put as your Facebook profile picture, and two more pages.

All I'll saying is that if you'd given us the information or link at the beginning, we would not have wasted so much time and effort.

This is from Page 2 of the datasheet (it's messy, but I just grabbed the text):

Lumenera Corporation • 7 Capella Court, Ottawa ON, Canada K2E 8A7 • (t) 1.613.736.4077 • (f) 1.613.736.4071 • www.lumenera.com

©2007-2009 Lumenera Corporation, all rights reserved.
Design, features, and specifications are subject to change without notice.
07232010



Specifications Lu373

Image Sensor 1/2" format, color or mono, 6.55mm x 4.92 array
Effective Pixels 2048 x 1536, 3.2µm square pixels
Frame Rate 12 fps at 2048x1536, 25 fps at 1280x1024
Sensitivity High
Dynamic Range 60dB
Auto Exposure Automatic / Manual
White Balance Automatic / Manual
Dimensions (W x H x D) Processing Brd - 1.0"x 3.30"/Imager Brd – 1.0" x0.62"
Mass ~150g
Power Requirement USB bus power
Power Consumption ~2.5 Watts
Operating Temperature 0°C to +50°C
Operating Humidity 5% - 95%, Non-condensing
Interface Connector Mini USB
Ordering Information

Lu373C - Color Camera Module
Lu373M - Monochrome Camera Module

LuSDK - Software Developer's Kit

Please note: A minimum purchase quantity may apply.

Full customization
available to meet your
exact needs!
Suggested Applications:

• Handheld devices
• Unmanned vehicles
• Discreet security &
surveillance
• Mobile object detection

Hi John ,thanks for the link to that camera. I can use it and start tests. so we'll see. When i went to Lumenera 's product browswer and typed that number, i got negative results. If not i could have placed that link here.But i have mentioned Lumenera at the beginning of my notes here. Anyway, i've got good help frome you and can carry on! Ps.. It's curious that Lumenera have this product on a datasheet and present it as a product for sale! ???. If you need some small machined parts in POM or metal, i can fix that for free- taylorsewed parts etc.If something new comes up ,i'll reply. Lars

Forget about the single board idea. Pick a digital camera, just about any camera, with digital control, like a connector for cellphone. Learn to use, you are there. Control is in place, you know, what you get. Any additional questions?

That might work too, but i have some large 12" and 16,7" which 1'm looking through, and it would be a pleaseant feeling to sit indoors during cold wintertime !

You might try http://www.mightexsystems.com/ we are using them on our product.