I-Kson 1.25" Kellner 25mm Telescope Eyepiece - Umklamo Wezinto Ezi-3
Incazelo Yomkhiqizo
Le lensi ye-eyepiece ye-Kellner engu-25mm ubude ithuthukisa ububanzi belensi kanye nendlela yokukhanya ngokusekelwe esakhiweni sendabuko se-Kellner ngokuklama okusha kwe-optical okunezingcezu ezintathu (ukuhlukaniswa nokuqinisekiswa ochwepheshe), futhi ifinyelela ubukhali obungcono obungaphandle kwe-axis (ukulinganisa kwangempela kufika ku-90%) kanye nebanga lamehlo elikhululekile kunemikhiqizo efanayo. Ubuchwepheshe bokumboza obunezingqimba eziningi bucindezela ngempumelelo izipoki kanye nokukhanya lapho kubonwa izinkanyezi ezikhanyayo njenge-Sirius. Ngokwelashwa kokuqothulwa kwangaphakathi, iveza iphuzu lenkanyezi yasensimini "elifana nenaliti" ohlelweni lwe-f/6.5.
Uma kuqhathaniswa ne-Kellner yakudala engu-25mm evela kwamanye amabhrendi, ububanzi bayo belensi obukhulu kanye nomklamo we-diaphragm oguquliwe kuletha ikhwalithi yesithombe esiqinile, kanti inhlanganisela yendebe ye-eyepiece yerabha kanye nokukhululeka kwamehlo okungu-24mm kuthuthukisa kakhulu induduzo yokubuka isikhathi eside.
Izilinganiso zochwepheshe zibonisa ukuthi i-eyepiece idlula izinga elifanayo le-Kellner variant ekulawuleni ukuphambuka kwe-spherical, ukulungiswa kwensimu, njll. Ifaneleka kakhulu ekubhekeni izinhloso zokukhulisa eziphakathi nendawo neziphansi njenge-open clusters kanye ne-Orion Nebula, futhi ibhokisi lokuvikela uthuli oluqinile lithuthukisa ukuthembeka kokusetshenziswa kwangaphandle.
Imininingwane yomkhiqizo
Imodeli | I-1.25” Kellner 25mm Eyepiece |
Uhlobo | I-Telescope Eyepiece |
Usayizi | 1.25 intshi |
Ubude be-Focal | 25mm |
Ukugqoka | Igcwele Izinto Eziningi |
Inkambu yombono wezinga | 50° |
Isakhiwo Selensi | 3 |
Izisindo | 0.13kg |
Ukukhululeka Kwamehlo (mm) | 23mm |
Ubukhulu | 15x13x10cm |
Iphakheji | Ibhokisi le-Remailer |
imininingwane yomkhiqizo
● I-Kson 1.25” Kellner 25mm Telescope Eyepiece
● Ikesi Lepulasitiki lokugcina izinto ngokuphephile, okungenalo uthuli