Oct 22, 2024 — Request PDF | A principal investigation of the group velocity dispersion (GVD) profile for optimum dispersion compensation in optical ...

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Yes. A true laser alignment is superior to dial indicators. This machine (yes I've used this exact one) is not a true laser alignment and is not ...

The values for Field of View (FOV), sometimes sloppily referred to as "lens view" or better, "angle of view", come up frequently enough at the forums that I thought a list might be helpful for quick reference.

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The compound microscope has two systems of lenses for greater magnification, 1) the ocular, or eyepiece lens that one looks into and 2) the objective lens ...

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Mark Brickley (mbrickley) on November 9, 2024 in A Visit to the Falkland Islands and the Antarctic Peninsula

The beam diameter at focus (w_0) is calculated by taking into account the wavelength, focal length, beam quality, and beam diameter at the lens. Similarly, the ...

Panorama made of 12 vertical shots stitched together Nikon D70 with 12-24mm f/4G ED-IF AF-S DX Nikkor @ 12mm, f/7.1, 1/60s With hand-held SB-800 on SC-29 cable, TTL|BL flash setting

Please note, this is a table of rectilinear values, i.e. values for rectilinear lenses; fisheye field of view is a different beast.

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The magnification power of the microscope can be calculated by multiplying the magnification power of the eyepiece, or ocular lens, by the magnification power ...

How to use the table: Hopefully the table is quite self-explanatory, but let's say you are looking for the Field-of-view of a 50mm lens mounted on an FX body. In the column "Lens Focal Length", go down to the row marked "50mm" and then over to the green area marked "35mm & FX format (1)". The FOV for a 50mm lens would be 39.6 degrees horizontally and 27.0 degrees vertically. Diagonally, the FOV is 46.8 degrees.

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Heinz Augustin (richmondguy) on November 20, 2024 in A Visit to the Falkland Islands and the Antarctic Peninsula

Germanium displays low absorption properties, allowing it to transmit infrared light with minimal energy loss. This property is useful in applications which ...

2023217 — Think of it as a two-stage magnifying glass. The objective first produces an enlarged image of the object. This is very similar to taking macro shots with a ...

For a 55mm lens on a APS-C/DX sensor format body, the field of view would thus be 24.0 degrees horizontally, 16.1 degrees vertically and 28.7 degrees diagonally.

Comments Section ... Depth of field is how much of a shot is in focus. If 100% of a photograph is in focus, it has full depth of field. If a ...