Focal length

Borescopes are commonly used in a wide range of industries, including aviation, automotive, and manufacturing, to inspect the interiors of engines, turbines, pipes, and other narrow and hard-to-reach areas. They can also be used for non-destructive testing and quality control purposes.

Non-Destructive Inspection: Borescopes provide a non-destructive way to inspect hard-to-reach areas, which can help to identify issues and prevent damage or downtime.

Durability: Borescopes are typically made from durable materials like stainless steel, which makes them resistant to damage from harsh environments and repeated use.

Overall, borescopes are an essential tool for anyone who needs to visually inspect hard-to-reach spaces and objects in industrial and mechanical applications. They provide high-quality optics, flexibility, portability, durability, and non-destructive inspection capabilities, making them a valuable tool for maintenance and quality control professionals.

fov和焦距的关系

Aha! Thank you for the reply! As far as I can Google, all responses were either very specific things about SRP, or Real Cameras in general. That answered my question and explained it very well. Thanks again!

Gli obiettivi a lunghezza focale fissa sono dotati di una singola lunghezza focale o di un campo visivo angolare fisso, comunemente utilizzati nelle ...

Fixedfocal length

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Portability: Borescopes are often lightweight and portable, making them easy to transport to different locations and use in the field.

fov参数

High-Quality Optics: Borescopes use high-quality optics to provide clear and detailed images of the object or space being inspected. This is important for accurate inspection and diagnosis of issues.

Calculatefocal lengthfromFOV

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One of the challenges I’m facing is the difference between Zoom, FOV, and Focal Length. I’m kinda confused about this. I am allowing the user to change the sensor size via a UI dropdown that’s identical to Unity’s Sensor Preset dropdown, and this changes the Camera component’s sensor size’s Vector2. I need the ability to zoom this camera. The Focal Length option also changes the FOV option in the inspector. How would I zoom the camera in and out without changing the sensor preset? Is this even possible? I am also using the Depth of Field Post Processing effect, and setting that focal length to the focal length of the camera component to keep things consistent.

So I’m trying to create a camera that allows the user to adjust properties identical (or similar enough) to a real camera. I am using the Builtin RP because SteamVR has issues with other RPs, and I need certain realtime lighting features that URP doesn’t have yet. This is for an in-scene camera outputting to a render texture, not the main HMD view.

FOVtofocal lengthcalculator

Here, we take a look at how image sensors work, and explore the different types of image sensors used in Canon cameras.

Borescopes are optical instruments used to visually inspect hard-to-reach spaces and objects in industrial and mechanical applications. They consist of a flexible or rigid tube with a lens at one end and an eyepiece or camera at the other end. The lens is often fitted with fiber optic lighting to provide illumination for the inspection.

What “Zoom” means depends on the context. It could refer to the change of or range of the focal length or FoV, or it could refer to the relative size difference of an object at a specific distance from the lens at different FoVs / focal lengths.

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You change the focal length or FoV. Those have nothing to do with the sensor size. Changing one changes the other because they’re tied together.

fov是什么

FOVtofocal length

“Field of View” (FoV) is the most straightforward thing. It’s the visible angle, either vertically, horizontally, or diagonally. Games use it as we’re usually not actually modelling a real camera. We just want to know how much is going to be visible. Focal length matters for photography because you don’t know the FoV without the sensor or film size, and some camera lenses will work on cameras of different sensor or film sizes. There is no “sensor” for real time rendering, everything is always rendering assuming the “camera” is an infinitely small point in space.

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“Focal Length” is roughly a measure of the distance from the optical center of the lens to the sensor or film when in focus. The ratio of the sensor or film size to the focal length gives you the field of view. Specifically the formula is: field of view = 2 * arctan(sensor size / (focal length * 2)) And that’s really an approximation. It gets complicated as many DSLRs don’t actually use the full sensor. And it doesn’t take into account things like lens curvature, and assumes you’re focused at infinity.

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Flexibility: Some borescopes are designed to be flexible, allowing them to be maneuvered and bent around corners and through tight spaces, making them ideal for inspecting complex or hard-to-reach areas.

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