Andover Corporation現(xian)在將(jiang)UBVRI濾(lv)光(guang)片作為標準產(chan)品提供(gong)。這(zhe)些濾(lv)光(guang)片用(yong)於(yu)濾(lv)除(chu)和測(ce)量天(tian)文(wen)物(wu)體發(fa)出的特定光帶。
提供(gong)兩種類(lei)型(xing):Johnson / Bessel和Kron / Cousins。 Johnson / Bessell型(xing)更適(shi)合(he)與(yu)光(guang)電(dian)倍增管壹起使(shi)用,而Kron / Cousins型則(ze)更適(shi)合(he)與(yu)矽(gui)CCD壹(yi)起使(shi)用。兩種過(guo)濾(lv)器(qi)套(tao)件(jian)都(dou)可(ke)以很好(hao)地(di)工(gong)作,但是在購(gou)買任(ren)何(he)套件(jian)之前,先確(que)定要使(shi)用的測(ce)量系統的(de)類(lei)型(xing)很(hen)重(zhong)要。
兩種濾(lv)波(bo)器(qi)類(lei)型(xing)都(dou)使(shi)用相(xiang)同(tong)的(de)U,B和V濾(lv)波(bo)器(qi)。每(mei)種類(lei)型(xing)的(de)R&I過(guo)濾(lv)器(qi)都(dou)不同;它們與(yu)所(suo)用(yong)檢(jian)測(ce)器的(de)響應更好地(di)匹(pi)配(pei)。
更換濾(lv)鏡時,重(zhong)新(xin)對(dui)焦始終(zhong)是壹(yi)個問(wen)題。 Andover通過將(jiang)所有(you)過濾(lv)器(qi)研(yan)磨(mo)和拋(pao)光(guang)至非常精(jing)確(que)的(de)厚度(du)來*地(di)減(jian)少(shao)了(le)此(ci)問(wen)題。
UBVRI過(guo)濾(lv)器(qi)有(you)多(duo)種標準尺寸和定制(zhi)尺(chi)寸。除(chu)安(an)裝(zhuang)在螺紋環中的兩種尺(chi)寸外(wai),所有(you)其(qi)他尺(chi)寸均(jun)未(wei)安裝(zhuang)。

| DESCRIPTION | PART NO. |
| B Filter, 100nm FWHM, 55% Transmission | KRON-B-25 |
| B Filter, 100nm FWHM, 55% Transmission | KRON-B-31M |
| B Filter, 100nm FWHM, > 55% Transmission | KRON-B-50 |
| B Filter, 100nm FWHM, > 55% Transmission | KRON-B-50M |
| B Filter, 100nm FWHM, 55% Transmission | KRON-B-50S |
| I Filter, 175nm FWHM, 70% Transmission | KRON-I-25 |
| I Filter, 175nm FWHM, 70% Transmission | KRON-I-31M |
| I Filter, 175nm FWHM, > 70% Transmission | KRON-I-50 |
| I Filter, 175nm FWHM, > 70% Transmission | KRON-I-50M |
| I Filter, 175nm FWHM, 70% Transmission | KRON-I-50S |
| R Filter, 250nm FWHM, 70% Transmission | KRON-R-25 |
| R Filter, 250nm FWHM, 70% Transmission | KRON-R-31M |
| R Filter, 250nm FWHM, 70% Transmission | KRON-R-50 |
| R Filter, 250nm FWHM, 70% Transmission | KRON-R-50M |
| R Filter, 250nm FWHM, 70% Transmission | KRON-R-50S |
| U Filter, 60nm FWHM, 50% Transmission | KRON-U-25 |
| U Filter, 60nm FWHM, 50% Transmission | KRON-U-31M |
| U Filter, 60nm FWHM, > 50% Transmission | KRON-U-50 |
| U Filter, 60nm FWHM, > 50% Transmission | KRON-U-50M |
| U Filter, 60nm FWHM, 50% Transmission | KRON-U-50S |
| V Filter, 90nm FWHM, 70% Transmission | KRON-V-25 |
| V Filter, 90nm FWHM, 70% Transmission | KRON-V-31M |
| V Filter, 90nm FWHM, 70% Transmission | KRON-V-50 |
| V Filter, 90nm FWHM, 70% Transmission | KRON-V-50M |
| V Filter, 90nm FWHM, 70% Transmission | KRON-V-50S |