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<blockquote data-quote="Retired Educator" data-source="post: 135912" data-attributes="member: 3373">yes with extreme angles it may make a difference. A 45 degree angle will add a little less than 1.5 times the horizontal distance. Then again, as I understand how rangefinders work is a reflection of an infrared light off whatever you are trying to range back to the rangefinder. If that is the case why wouldn't that reflection already have the angle distance read? Someone who knows more than me, please answer.Figured out the reasoning for my own question. Gravity force only affects the horizontal. So if my rangefinder measures 400yds down at a 45 degree angle, the horizontal distance would be 282yds. Hence, I hold for a 400yd shot when I should actually hold for a 282yd shot. I missed since the drop difference on my 270 between 282 and 400 is about 14 inches. On the other hand, a 45 degree drop or incline is significant and there aren't many instances where this severe an angle will occur. Badlands, down a steep draw, yes. Mountains in western states, sometimes, although when I've hunted in the mountains the area I hunted wasn't as severe as some of the areas in the badlands.&nbsp; Interesting thinking I guess.</blockquote>

[QUOTE="Retired Educator, post: 135912, member: 3373"] yes with extreme angles it may make a difference. A 45 degree angle will add a little less than 1.5 times the horizontal distance. Then again, as I understand how rangefinders work is a reflection of an infrared light off whatever you are trying to range back to the rangefinder. If that is the case why wouldn't that reflection already have the angle distance read? Someone who knows more than me, please answer. Figured out the reasoning for my own question. Gravity force only affects the horizontal. So if my rangefinder measures 400yds down at a 45 degree angle, the horizontal distance would be 282yds. Hence, I hold for a 400yd shot when I should actually hold for a 282yd shot. I missed since the drop difference on my 270 between 282 and 400 is about 14 inches. On the other hand, a 45 degree drop or incline is significant and there aren't many instances where this severe an angle will occur. Badlands, down a steep draw, yes. Mountains in western states, sometimes, although when I've hunted in the mountains the area I hunted wasn't as severe as some of the areas in the badlands. Interesting thinking I guess. [/QUOTE]

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