無鍍膜 | BK7 |
• 無鍍膜
• 透光範圍:350 nm~2000 nm
• 熱膨脹係數:7.5X10-6 /K
Specifications |
Material :
|
BK7
|
Dimension Tolerance :
|
+0/-0.2mm
|
Thickness Tolerance :
|
±0.2mm
|
Design Wavelength :
|
546.1nm
|
Surface Quality :
|
60/40 scratch and dig
|
Centration :
|
<3 arc minutes
|
Focal Length Tolerance :
|
±2%
|
Clear Aperture :
|
>90%
|
Coating :
|
None
|
產品 | 型號 / 敘述 | 交期 | 單價 | 數量. | 購物車 |