binocular range markings...??? (1 Viewer)

[Joe OKC]

Of course I come the SR.com for information...

I picked up a pair of M17 binocs for $25...

What are the Horizontal, Vertical markings called and how do they work?

can expand to periscopes...

Joe

 

[Det. Brees]

D= is the Distance to the object in meters.
OH = is the known Object Height.
M= is the angular height of the object in number of Mil. THis refers to the number of lines /range lines/Mill lines the target fills.

D=OH/MIL x1000

Normallyyou have to guess at the height of the target. example if looking at a human I use a height of six feet.

With the typical 5 mil scale (each mark is 5 mil), a lighthouse that is 3 marks high that is known to be 120 meters tall is 8000 meters distance.

8000m=120/15

 

[Joe OKC]

D= is the Distance to the object in meters.
OH = is the known Object Height.
M= is the angular height of the object in number of Mil. THis refers to the number of lines /range lines/Mill lines the target fills.

D=OH/MIL x1000

Normallyyou have to guess at the height of the target. example if looking at a human I use a height of six feet.

With the typical 5 mil scale (each mark is 5 mil), a lighthouse that is 3 marks high that is known to be 120 meters tall is 8000 meters distance.

8000m=120/15

WOW...:rolleys: I am going to have let that sink in... and I may never get it at all... Thank You...

Here is the scale and here is what info I found on it.

and a complete guide for use.

FM 3-21.71 CHAPTER 8

I got these for a prop for the jeep and cannon set up going on.

Joe

 

[Det. Brees]

Its actually pretty simple but can look complicated.

Normally each mil line is 5mils so if you look through the binos and the target fills 2 lines you mil factor is 2x5=10.
Step to estimate the height of the target lets say its human two meter 2 meters tall. the formula is 2/10 =.2
.2 x1000 =200 meters to the target.

 

[Joe OKC]

Thanks Det. Brees... I will work on this...

Joe

 

[NYCsaint]

Its actually pretty simple but can look complicated.

Normally each mil line is 5mils so if you look through the binos and the target fills 2 lines you mil factor is 2x5=10.
Step to estimate the height of the target lets say its human two meter 2 meters tall. the formula is 2/10 =.2
.2 x1000 =200 meters to the target.

thats pretty nifty. im sure if you use it a lot it becomes very second nature.

 

[dtc]

D= is the Distance to the object in meters.
OH = is the known Object Height.
M= is the angular height of the object in number of Mil. THis refers to the number of lines /range lines/Mill lines the target fills.

D=OH/MIL x1000

Normallyyou have to guess at the height of the target. example if looking at a human I use a height of six feet.

With the typical 5 mil scale (each mark is 5 mil), a lighthouse that is 3 marks high that is known to be 120 meters tall is 8000 meters distance.

8000m=120/15

lus-un2: