| Manufacturer |
Williams Optics
|
Model
|
FLT 132, air-spaced apochromatic triplet lens
|
| D |
132mm |
F
|
924mm |
| F/D |
7 |
| Diameter of solar image |
8.601mm |
| Energy rejection filter (near focus): |
Hutech IDAS UV/IR blocking filter |
Collimator
|
Telecentric Barlow lens, Custom design: F.Clette Manufacturer: Molenaar Optics, 4 lenses in 2 groups, optimized for near UV. |
| Focal length: |
-159mm & 445mm |
| Magnification |
2.8 |
Diameter of solar image
|
24.111mm
|
| Monochromator |
Custom Design USET Team |
| Type |
Interference filter, Barr Associates Inc. |
| Nominal Wavelength |
393.37 nm (line width = 1.3nm) |
| Filter bandpass |
0.27nm +/- 0.05 nm |
| Nominal temperature |
23°C |
| Focal reducer/corrector |
Custom design: F.Clette Maanufacturer: Molenaar Optics, air-spaced doublet lens optimized for near UV. |
| F |
255mm |
| Magnification |
0.61 |
| Diameter of solar image |
14.708mm |
| CCD camera |
QImaging Retiga 4000R |
| Detector |
Kodak KAI-4021, inter-line transfer |
| Detector size |
2048x2048 pixels, pixel size = 7.5x7.5 micron |
| Sensitive area |
15.16x15.16mm |
