Here's a little diagram to show the problem of a shortdepth of field (DoF) — the shortness of the span where parallax and image sharpness are acceptable.
The DoF trade-offs are with the scope brightness and the magnification.... ➔ see the diagram. (The attached PDF is probably better quality than the image below.)
Matthias
Edit: Improved version, thank you Mark!
Attachments: PDF and JPG of the same file:
SCOPE Triangle #2 — to Balance High Magnification + Depth of Field (for Less Parallax) + Brightnes
View attachment SCOPE Triangle 2 to Balance High Magnification Depth of Field for Less Parallax Brightness....pdf
The DoF trade-offs are with the scope brightness and the magnification.... ➔ see the diagram. (The attached PDF is probably better quality than the image below.)
Matthias
Edit: Improved version, thank you Mark!
Attachments: PDF and JPG of the same file:
SCOPE Triangle #2 — to Balance High Magnification + Depth of Field (for Less Parallax) + Brightnes
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