Bi-Convex Lenses
Specifications：
|
Item
|
Specifications
|
|
Material
|
BK7 or UV fused silica
|
|
Focal Length Tolerance
|
±1% @589nm
|
|
Design Wavelength
|
589nm
|
|
Centration
|
≤3′
|
|
Diameter Tolerance
|
+0/-0.1mm
|
|
Clear Aperture
|
＞90% of central Area
|
|
Center Thickness Tolerance
|
±0.1mm
|
|
Surface Quality
|
20/10（UVFS）/ 40/20（BK7）
|
|
Surface Accuracy
|
≤ 1.5λ power，λ/2 irregularity（UVFS
≤ 1.5λ power，λ/4 irregularity（BK7）
|
|
Chamfers
|
0-0.8mm face Width ×45°±15°
|
Other diameter, focus length, and material are available upon request.
BK7Bi-Convex Lenses：
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Part Number
|
Dia(mm)
|
Te(mm)
|
EFL(mm)
|
|
12.7
|
2
|
20.0
|
|
|
DCX105-F25
|
12.7
|
2
|
25.0
|
|
DCX105-F30
|
12.7
|
2
|
30.0
|
|
DCX105-F50
|
12.7
|
2
|
50.0
|
|
DCX105-F100
|
12.7
|
2
|
100.0
|
|
DCX110-F50
|
25.4
|
2
|
50.0
|
|
DCX110-F75
|
25.4
|
2
|
75.0
|
|
DCX110-F100
|
25.4
|
2
|
100.0
|
|
DCX110-F150
|
25.4
|
2
|
150.0
|
|
DCX110-F200
|
25.4
|
2
|
200.0
|
|
DCX110-F250
|
25.4
|
2
|
250.0
|
|
DCX110-F300
|
25.4
|
2
|
300.0
|
UVFS Bi-Convex Lenses：
|
Part Number
|
Dia(mm)
|
Te(mm)
|
EFL(mm)
|
|
DCX205-F20
|
12.7
|
2
|
20.0
|
|
DCX205-F25
|
12.7
|
2
|
25.0
|
|
DCX205-F30
|
12.7
|
2
|
30.0
|
|
DCX205-F50
|
12.7
|
2
|
50.0
|
|
DCX205-F100
|
12.7
|
2
|
100.0
|
|
DCX210-F50
|
25.4
|
2
|
50.0
|
|
DCX210-F75
|
25.4
|
2
|
75.0
|
|
DCX210-F100
|
25.4
|
2
|
100.0
|
|
DCX210-F150
|
25.4
|
2
|
150.0
|
|
DCX210-F200
|
25.4
|
2
|
200.0
|
|
DCX210-F250
|
25.4
|
2
|
250.0
|
|
DCX210-F300
|
25.4
|
2
|
300.0
|