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Thread: how is a (rifle scope) reticle in focus?

  1. #1
    Join Date
    May 2018
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    Default how is a (rifle scope) reticle in focus?

    The lens zooms and focuses something very far away yet the reticle inside the lens assembly is in perfect focus just like the far objects. How?

  2. #2
    mixedgas's Avatar
    mixedgas is online now Creaky Old Award Winning Bastard Technologist
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    Default

    Google "Focal Plane" and be aware that there can be more the one in a optical system.

    see: https://blackrainordnance.com/blogs/...nd-focal-plane

    Steve
    Qui habet Christos, habet Vitam!
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  3. #3
    Join Date
    May 2018
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    Default

    makes sense, thanks

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