截至目前，Andover可提供两种UBVRI滤光片组——Johnson/Bessel型及Kron/Cousins型
可提供五种尺寸：φ25mm,φ50mm, φ31mm(Mounted),φ50mm(Mounted); 50x50mm SQ
Johnson/Bessel型
|
|
U
|
B
|
V
|
R
|
I
|
|
Nominal CW/L
|
365nm
|
440nm
|
550nm
|
630nm
|
900nm
|
|
Nominal FWHM
|
60nm
|
100nm
|
90nm
|
120nm
|
300nm
|
|
Nominal Transmission
|
>50%
|
>55%
|
>70%
|
>70%
|
>70%
|
Kron/Cousins型
|
|
U
|
B
|
V
|
R
|
I
|
|
Nominal CW/L
|
365nm
|
440nm
|
550nm
|
760nm
|
800nm
|
|
Nominal FWHM
|
60nm
|
100nm
|
90nm
|
250nm
|
150nm
|
|
Nominal Transmission
|
>50%
|
>55%
|
>70%
|
>70%
|
>70%
|
