Question 1

What is the sensor size of this board?

Accepted Answer

It is about 1/4 inch.

Question 2

Will this work to capture star light at night? I am trying to build an All Sky camera to view the stars.

Accepted Answer

I had previously answered this from the standpoint of trying to achieve good framerates while still managing to capture stars, and had reported that of course this is pretty much impossible. These particular cameras do not force high amplification, so unlike the ELP 1080P FHD01 USB cameras, you can't get high framerate motion in low light at the cost of high noise. With these OV5647 Arducam boards, you have to drive the framerate very low, costing you pretty much all sense of motion in the scene (except for where streaks are considered acceptable) but you can in fact collect fairly decent starlight. I only figured this out in the last day so that's why I didn't mention it before. It's not like using a good DSLR because the gain is low on these, but.... if you pass THIS to the camera, you can do some pretty interesting things for astro applications:raspistill -q 100 -w 2592 -h 1891 -ISO 3200 -ss 5000000 -ex sports -t 10000 -o longexp.jpg-q drives the image quality to 100%-w and -h specify the capture resolution.2592 x 1944 maxes this camera out, important for pinpoints like stars. I used 1891 for the height to push it to wider aspect but still avoiding the zoom in effect that happens at wider angle aspects. Try 1920x1080 to see what I mean.-ISO 3200 tells it to push the gain on the camera all the way. This is a bit past the specs of the cam to make sure it milks everything it can get.-ss specifies framerate in microseconds. I played with this value A LOT under dark sky tests and found that 5,000,000 microseconds was pretty much the max limit.-ex sports sets the capture to "sports mode", which is suprisingly important. It pushes performance out of the camera like none of the other modes can.-t 10000 forces the camera to time out and take the picture after ten seconds. I found that I could eliminate this and do fine. Increasing it does nothing for me.-o of course specifies the output filenameUsing this you'll get some noise but quite a lot of stars in capture, and since it's quite long, it's good for meteor trails as long as they are reasonably bright. The NOIR version of the cam really helps with that since it picks up on very hot objects especially well.

Question 3

a direct replacement to the Pi v2 camera? (dimensions are different, but the Jetson Nano requires the v2 sensor, yet I want telephoto)

Accepted Answer

We can meet your needs but that is not for sale on Amazon and please contact Arducam sales representative at info@arducam.com

Question 4

Is the included lens wider angle than the camera with no lens? Does anyone know the field of view?

Accepted Answer

Horizontal Field of view: 84 degrees
Vertical Field of view: 63 degrees
Diagonal  Field of view: 105 degrees
Without the lens it is just a sensor, so you won't have a focused image. The camera module is useless without a lens.

ASIN	B013JTY8WY
Best Sellers Rank	#755 in Single Board Computers (Computers & Accessories)
Brand	Arducam
Camera Lens	The Arducam M12 Lens Board features a 4mm focal length with manual focus adjustment, allowing a focus range from less than an inch to infinity. It utilizes an interchangeable M12×P0.5 mount design, enabling users to swap lenses for varying fields of view, from 56° horizontal FOV to wider or telephoto options. Built with a 1/4" OV5647 CMOS sensor delivering 5MP resolution, this lens board supports …
Camera Lens Description	The Arducam M12 Lens Board features a 4mm focal length with manual focus adjustment, allowing a focus range from less than an inch to infinity. It utilizes an interchangeable M12×P0.5 mount design, enabling users to swap lenses for varying fields of view, from 56° horizontal FOV to wider or telephoto options. Built with a 1/4" OV5647 CMOS sensor delivering 5MP resolution, this lens board supports high-definition video capture at 1080p/30fps and 720p/60fps. While it lacks built-in optical image stabilization, its global shutter technology minimizes rolling shutter effects for fast-moving subjects. The lens construction includes a locking ring for secure attachment and precise tuning. Ideal for DIY security cameras, wildlife monitoring, and macro photography, it offers exceptional flexibility for Raspberry Pi projects without requiring complex software autofocus systems. Camera Lens Description The Arducam M12 Lens Board features a 4mm focal length with manual focus adjustment, allowing a focus range from less than an inch to infinity. It utilizes an interchangeable M12×P0.5 mount design, enabling users to swap lenses for varying fields of view, from 56° horizontal FOV to wider or telephoto options. Built with a 1/4" OV5647 CMOS sensor delivering 5MP resolution, this lens board supports high-definition video capture at 1080p/30fps and 720p/60fps. While it lacks built-in optical image stabilization, its global shutter technology minimizes rolling shutter effects for fast-moving subjects. The lens construction includes a locking ring for secure attachment and precise tuning. Ideal for DIY security cameras, wildlife monitoring, and macro photography, it offers exceptional flexibility for Raspberry Pi projects without requiring complex software autofocus systems. See more
Color	M12 Lens Camera for Raspberry Pi
Compatible Camera Mount	M12(S Mount)
Compatible Devices	Raspberry Pi
Compatible Mountings	M12(S Mount)
Customer Reviews	4.4 out of 5 stars 225 Reviews
EU Spare Part Availability Duration	1 Years
Effective Still Resolution	5 MP
Exposure Control Type	Manual
File Format	JPEG
Focus Type	Manual Focus
Image stabilization	Optical
Lens	Fisheye
Lens Design	Prime
Lens Type	Fisheye
Manufacturer	Arducam
Manufacturer Part Number	B0031
Maximum Aperture	30 f
Maximum Focal Length	36 Millimeters
Minimum Aperture	0.03 Millimeters
Minimum Focal Length	4 Millimeters
Model Name	B0031
Model Number	B0031
Real Angle Of View	56 Degrees
Screen Size	2 Inches
Shooting Modes	Time Lapse
UPC	714119484438
Unit Count	1.0 Count
Video Capture Format	MP4
Video Capture Resolution	1080p
Warranty Description	6 months
Water Resistance Level	Not Water Resistant

Arducam 5MP OV5647 Camera Module with M12 Lens for Raspberry Pi, 1080p Video, 5MP Photos, Interchangeable Lens, Compatible with Pi A/B/B+/2/3/3B+

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