Up: Paper
Handbook: 189 of 287
|
|
| |
TABLE OF LUXFER PRISM PRESCRIPTIONS.
HIGHEST LIGHT, HORIZONTAL.
| Zenith- |
Inclination of Lowest Light Below Horizontal. |
| tangent |
|
20° | | |
25° | | |
30° | | |
35° | | |
40° | | |
45° | | |
| .50 |
A | |
A | |
A | |
A | |
A | |
A | |
| .60 |
A | |
A | |
A | |
A | |
A | |
A | |
| .70 |
A | |
A | |
A | |
A | |
A | |
A | |
| .80 |
P | |
P | O |
P | M |
P | L |
P | N K |
P | M J |
| .90 |
S | |
S | O |
S | M |
S | L |
S | K |
S | J |
| 1.00 |
O | |
O | |
O | M |
O | L |
O | K |
O | J |
| 1.10 |
O | |
O | |
O | M |
O | L |
O | K |
O | J |
| 1.15 |
O | |
O | |
O | M |
O | L |
O | K |
O | J |
| 1.20 |
O | |
O | |
O | M |
O | L |
O | K |
O | J |
| 1.25 |
N | |
N | |
N | M |
N | L |
N | K |
N | J |
| 1.30 |
N | |
N | |
N | M |
N | L |
N | K |
N | J |
| 1.35 |
N | |
N | |
N | M |
N | L |
N | K |
N | J |
| 1.40 |
N | |
N | |
N | M |
N | L |
N | K |
N | J |
| 1.50 |
M | |
M | |
M | |
M | L |
M | K |
M | J |
| 1.60 |
M | |
M | |
M | |
M | L |
M | K |
M | J |
| 1.70 |
L | |
L | |
L | |
L | |
L | K |
L | J |
| 1.80 |
L | |
L | |
L | |
L | |
L | K |
L | J |
| 1.90 |
L | |
L | |
L | |
L | |
L | K |
L | J |
| 2.00 |
L | |
L | |
L | |
L | |
L | K |
L | J |
| 2.25 |
L | |
L | |
L | |
L | |
L | K |
L | J |
| 2.50 |
K | |
K | |
K | |
K | |
K | |
K | J |
| 2.75 |
K | |
K | |
K | |
K | |
K | |
K | J |
| 3.00 |
K | |
K | |
K | |
K | |
K | |
K | J |
| 3.50 |
J | |
J | |
J | |
J | |
J | |
J | |
|
|
|
 |
