Andover Corporation現在(zai)將(jiang)UBVRI過濾(lv)器(qi)作為(wei)標(biao)準(zhun)產(chan)品提供。這(zhe)些濾(lv)光片(pian)用(yong)於(yu)濾(lv)除和測量天(tian)文物體發(fa)出(chu)的(de)特(te)定(ding)光(guang)帶(dai)。
提供兩(liang)種(zhong)類(lei)型(xing):Johnson / Bessel和Kron / Cousins。Johnson / Bessell型(xing)更(geng)適(shi)合(he)與光(guang)電倍增(zeng)管壹起(qi)使用(yong),而(er)Kron / Cousins型(xing)則(ze)更(geng)適(shi)合(he)與矽CCD壹起(qi)使用(yong)。兩(liang)種(zhong)過濾(lv)器(qi)套(tao)件(jian)都可以很好地工(gong)作,但是(shi)在(zai)購(gou)買任(ren)何(he)套(tao)件之(zhi)前(qian),先(xian)確(que)定(ding)要使用(yong)的(de)測量系統(tong)的(de)類(lei)型(xing)很(hen)重(zhong)要。
兩(liang)種(zhong)濾(lv)波器(qi)類(lei)型(xing)都使用(yong)相同(tong)的(de)U,B和V濾(lv)波器(qi)。每(mei)種(zhong)類(lei)型(xing)的(de)R&I過濾(lv)器(qi)都不同(tong);它們(men)與所(suo)用(yong)檢(jian)測(ce)器(qi)的(de)響應(ying)更好地匹(pi)配。
更換濾(lv)鏡時(shi),重(zhong)新(xin)對(dui)焦始終是(shi)壹個(ge)問(wen)題(ti)。Andover通(tong)過將所(suo)有(you)過濾(lv)器(qi)研(yan)磨(mo)和拋光至非(fei)常(chang)精確的(de)厚度來(lai)*地減(jian)少(shao)了(le)此問(wen)題(ti)。
UBVRI過濾(lv)器(qi)有(you)多(duo)種(zhong)標準尺(chi)寸(cun)和定制(zhi)尺(chi)寸(cun)。除(chu)安(an)裝(zhuang)在(zai)螺紋(wen)環(huan)中的(de)兩種(zhong)尺(chi)寸(cun)外(wai),所有(you)其(qi)他尺(chi)寸(cun)均未安(an)裝(zhuang)。

| DESCRIPTION | PART NO. |
| B Filternm CWL, 100nm Bandwidth, 25.0 Diameter | JOHN-B-25 |
| B Filternm CWL, 100nm Bandwidth, 31.0 Diameter | JOHN-B-31M |
| B Filternm CWL, 100nm Bandwidth, 50.0 Diameter | JOHN-B-50 |
| B Filternm CWL, 100nm Bandwidth, 50.0 Diameter | JOHN-B-50M |
| B Filternm CWL, 100nm Bandwidth, 50.0 x 50.0 Diameter | JOHN-B-50S |
| I Filternm CWL, 300nm Bandwidth, 25.0 Diameter | JOHN-I-25 |
| I Filternm CWL, 300nm Bandwidth, 31 Diameter | JOHN-I-31M |
| I Filternm CWL, 300nm Bandwidth, 50 Diameter | JOHN-I-50 |
| I Filternm CWL, 300nm Bandwidth, 50 Diameter | JOHN-I-50M |
| I Filternm CWL, 300nm Bandwidth, 50 X 50 Diameter | JOHN-I-50S |
| R Filternm CWL, 120nm Bandwidth, 25.0 Diameter | JOHN-R-25 |
| R Filternm CWL, 120nm Bandwidth, 31 Diameter | JOHN-R-31M |
| R Filternm CWL, 120nm Bandwidth, 50.0 Diameter | JOHN-R-50 |
| R Filternm CWL, 120nm Bandwidth, 50.0 Diameter | JOHN-R-50M |
| R Filternm CWL, 120nm Bandwidth, 50.0 x 50.0 Diameter | JOHN-R-50S |
| U Filternm CWL, 60nm Bandwidth, 25.0 Diameter | JOHN-U-25 |
| U Filternm CWL, 60nm Bandwidth, 31 Diameter | JOHN-U-31M |
| U Filternm CWL, 60nm Bandwidth, 50.0 Diameter | JOHN-U-50 |
| U Filternm CWL, 60nm Bandwidth, 50.0 Diameter | JOHN-U-50M |
| U Filternm CWL, 60nm Bandwidth, 50 X 50 Diameter | JOHN-U-50S |
| V Filternm CWL, 90nm Bandwidth, 25.0 Diameter | JOHN-V-25 |
| V Filternm CWL, 90nm Bandwidth, 31.0 Diameter | JOHN-V-31M |
| V Filternm CWL, 90nm Bandwidth, 50.0 Diameter | JOHN-V-50 |
| V Filternm CWL, 90nm Bandwidth, 50.0 Diameter | JOHN-V-50M |
| V Filternm CWL, 90nm Bandwidth, 50.0 x 50.0 Diameter | JOHN-V-50S |