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Lens Type 1 (metric)
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Expression 12: "m" "g" "t" "l"
m
g
t
l
equals
=
357.7 3 0 3 5 3 4 3
3
5
7
.
7
3
0
3
5
3
4
3
12
Expression 13:
13
LED side length (mm):
LED side length (mm):
14
Expression 15: "s" equals 1
s
=
1
0
0
4
4
15
Spot diameter at 1km (m):
Spot diameter at 1km (m):
16
Expression 17: StartFraction, 1000 StartRoot, 2 "s" squared , EndRoot Over "f" , EndFraction
1
0
0
0
2
s
2
f
equals
=
13.9 1 9 4 2 4 8 2 6 5
1
3
.
9
1
9
4
2
4
8
2
6
5
17
Beam divergence half angle (deg):
Beam divergence half angle (deg):
18
Expression 19: StartFraction, 180 Over pi , EndFraction tangent to the negative 1st power left parenthesis, StartFraction, 1 half "s" Over "f" , EndFraction , right parenthesis
1
8
0
π
t
a
n
−
1
1
2
s
f
equals
=
0.2 8 1 9 6 5 1 4 2 5 9 3
0
.
2
8
1
9
6
5
1
4
2
5
9
3
19
Expression 20:
20
Lens equations
Lens equations
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21
Intensity calculations
Intensity calculations
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33
Luminous flux calculations
Luminous flux calculations
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38
Graphics
Graphics
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46
50
powered by
powered by
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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