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Item Type: Single Board Lens
Material: Optical Glass + Metal
Purpose: Camera Lens
Interface:
Optical Focal Length: Approx. 50mm/2in
Maximum Aperture: F1.6
Field of View: 7.5°
Image Format: 1/2.7
Resolution: 3MP
Package List:
1 x Single Board Lens
1 x Lens Cover
H.E. Brennan
Reviewed in the United States on September 11, 2023
This was very easy to install on my tiny little single bored cameras my husband talked me into getting. He is teaching me about 3D printing and we have a camera for that and I saw all the other lenses that you could get while searching for these cameras online and then I saw this. Itś so cool and I can use it to see things in my yard. It doesn't see super far away like I thought but it does make everything close and shows detail very well. No scratching or anything. Even had a lens cover! I look forward to getting others to try with different cameras that we have. Very good lens in my view and pricing is good for the quality alone. I would buy again if I needed another one and I can recommend!
Posigrade
Reviewed in the United States on August 9, 2023
I got this to add to an IMX323-based 2MP camera module to use as an autoguider for a telescope. A 50mm lens on an imager that small is nearing a little telescope. The field of view is approximately 7 degrees with that particular sensor, and is the equivalent of a 350mm lens on a 35mm full-frame camera. In combination with the IMX323 sensor (designed for low light), this lens's F/1.6 aperture makes it possible to pick up stars at magnitude 8.There is no IR filter, so this is a full-spectrum lens. This is neither good nor bad inherently, but something important to know. This means that it could be used in combination with IR lighting at night if it's going to be used as a security camera. It also means that plant life shows up as pink or bright white if you do not use an IR-blocking filter. In my case this is very good, because I want as much light as possible to see stars. However for different applications this is important to know. If you want more natural colors you'll need an IR-blocking filter if the camera you're attaching this to doesn't already have one.There is pretty significant comatic aberration, and some chromatic aberration as well. (TL;DR on this one: Image is sharp in the middle and a little blurry on the edges.) One of the images I uploaded is a star which I cropped from a larger image and zoomed in on. The star was about 1/3 of the way down from the images's center. No, that's not Saturn- it's Terebellum IV. The star should be a single point, but it is getting smeared by the aberrations.So what does all that mean practically? It'll probably work just fine for my autoguider. If you're using this as a security camera lens, it'll probably work fine too but you may have difficulties making out sharp details if they aren't in the center of the frame.
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