Offhand in a shooting house at around 40. Couldn't get on one knee and he wasn't hanging around to have his picture taken.
Sitting at around 20.
Standing at around 30. Nothing to grab onto. Deer was uphill walking thru some brush and on a knee you would have had nothing to shoot at.
Nothing to grab onto and on a knee you would have been shooting thru brush. If I had decided to shoot there was only one way.