Parallax setting has a greater impact on image focus at shorter distance than longer distance. The Vantage 1-4x20 is purposefully and intentionally designed for close distance shotgun, centerfire, and rimfire applications where a 50 yard setting is particularly ideal at point blank ranges. However, at only 4x magnification, there's little to no practical or perceivable difference between a 50 yard and 100 yard setting at longer distances.
All Hawke riflescopes are all-caliber rated. For specific rifle and scope recommendations, please contact our technical team at US@hawkeoptics.com
Yes, all Hawke riflescopes feature a fast-focus eyepiece.
Length is 8.7"