Major problem today, people read in today's English and context. 1700 English is almost a foreign language. If people took the time to actually uderstand what was said maybe they'd get it.
search on crossbow nation forum, you can find explanations. vortex and similar scopes adjusting the power changes appearance of the reticle
giving an "adjustment" to bow speed, FFP vs SFP. It will get you a usable compromise, But you are stuck using that magnification. Most i've read, vortex has...