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1 day ago · Formula. FSPL = 20*Log10(d) + 20*Log10(f) + Lc + 20*Log10(4π/c) – GTx – GRx. This formula only applies when the distance (d) between the antennas is large enough that the antennas are in the far field of each other. In other words d >> λ where λ = c/f. It is sufficient if the distance is at least 10 times larger than the wavelength.
5 days ago · Depth of field (DOF) is an important concept in photography because it can significantly change the look and feel of your images. It's the magical element that controls an image's sharpness and blur, allowing you to grab the viewer's attention to specific parts or create stunning backgrounds.
Sep 10, 2024 · Use DOFMaster to make depth of field scales for use in the field. Just set the focus distance, and read the near and far focus distances. Easily calculate the hyperfocal distance for your lens at any aperture.
1 day ago · In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting. How to configure menus and buttons and best operating practices, gotchas and how-to. Real world examples with insights found nowhere else. Make sharper images just by understanding lens and camera behaviors.
3 days ago · Depth of field and how to bypass depth of field limitations via focus stacking. Optical aberrations: what they are, what they look like, and what to do about them. MTF, field curvature, focus shift: insight into the limitations of lab tests and why imaging performance is far more complex than it appears.
3 days ago · The Instantaneous Field of View (IFOV) is a critical parameter in remote sensing and imaging systems. It describes the angular resolution of a camera or sensor system, defining the smallest object area imaged on the ground from a given altitude.
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4 days ago · Basic Concepts. When we take an image using pin-hole camera, we loose an important information, ie depth of the image. Or how far is each point in the image from the camera because it is a 3D-to-2D conversion. So it is an important question whether we can find the depth information using these cameras.
