Penta Prism is a five-side prism containing two reflecting surface at 45?/SPAN> to each other, and two refracting face perpendicular to the entering and emerging beam. The important propertie of Penta Prism are:
The image neither inverted nor reversed, just deviated 90?/SPAN>.
With the prism, a constant deviation angle applies to all rays transmitted by useful aperture, regardless of the angles between these ray and the optical axis (or entrance and exit face normal).
|
|
1 min. deviation |
30 sec. deviation |
10 sec. deviation |
|
A x h(mm) |
Part No. |
Price |
Part No. |
Price |
Part No. |
Price |
|
7 x 6 |
PTP31 |
$19 |
PTP11 |
$39 |
PTP21 |
$62 |
|
10 x 10 |
PTP32 |
$19 |
PTP12 |
$36 |
PTP22 |
$58 |
|
15 x 15 |
PTP33 |
$19 |
PTP13 |
$37 |
PTP23 |
$54 |
|
20 x 20 |
PTP34 |
$20 |
PTP14 |
$38 |
PTP24 |
$60 | |
Optical Windows
