Positive Fresnel
A positive Fresnel Lens can be designed as a collimator, collector or with two finite conjugates. Fresnel lenses are usually corrected for spherical aberrations. Positive lenses can be metalized for use as a second surface reflector and Negative lenses can metalized for use as a first surface reflector.
|
Focal |
Facet |
Fresnel |
Plano |
Clear |
|
|
SC245 |
10.9 |
0.125 |
10.9 |
infinity |
6.4 |
|
SC259 |
17.0 |
0.254 |
infinity |
17.0 |
17.0 |
|
SC256 |
25.4 |
0.508 |
infinity |
25.4 |
61.5 |
|
SC234 |
38.1 |
0.381 |
38.1 |
infinity |
57.1 |
|
SC252 |
47.5 |
0.076 |
47.5 |
infinity |
63.5 |
|
SC235 |
50.8 |
0.229 |
infinity |
50.8 |
76.2 |
|
SC211 |
57.6 |
0.076 |
264.0 |
74.0 |
89.0 |
|
SC277 |
68.0 |
0.076 |
infinity |
68.0 |
89.0 |
|
SC236 |
71.1 |
0.279 |
infinity |
71.1 |
101.6 |
|
SC237 |
76.2 |
0.254 |
infinity |
76.2 |
63.5 |
|
SC251 |
77.7 |
0.127 |
77.7 |
infinity |
81.3 |
|
SC239 |
101.6 |
0.508 |
infinity |
101.6 |
137.2 |
|
SC228 |
110.2 |
0.508 |
infinity |
110.2 |
163.8 |
|
SC255 |
127.0 |
0.254 |
infinity |
127.0 |
108.0 |
|
SC209 |
139.7 |
0.254 |
infinity |
139.7 |
152.4 |
|
SC223 |
152.4 |
0.254 |
infinity |
152.4 |
203.2 |
|
SC246 |
203.2 |
0.457 |
infinity |
203.2 |
228.6 |
|
SC264 |
230.2 |
0.508 |
infinity |
230.2 |
254.0 |
|
SC221 |
254.0 |
0.508 |
infinity |
254.0 |
254.0 |
|
SC921 |
254.0 |
0.254 |
infinity |
254.0 |
254.0 |
|
SC208 |
279.4 |
0.508 |
infinity |
279.4 |
406.4 |
|
SC268 |
304.8 |
0.508 |
infinity |
304.8 |
309.9 |
|
SC240 |
317.5 |
0.205 |
infinity |
317.5 |
381.0 |
|
SC2045 |
391.2 |
0.508 |
6096.0 |
419.0 |
457.2 |
|
SC229 |
400.0 |
0.508 |
infinity |
400.0 |
387.1 |
|
SC273 |
508.0 |
0.203 |
749.0 |
1575.0 |
406.4 |
|
SC214 |
609.6 |
0.508 |
infinity |
609.6 |
463.6 |
|
SC2135 |
762.0 |
0.508 |
infinity |
762.0 |
438.0 |
