Mata uku na achromatic sun ƙunshi ƙaramin tsakiya na rawanin kambi wanda aka siminti tsakanin abubuwa biyu masu kama da manyan abubuwa na sama. Waɗannan uku-uku suna da ikon gyara duka axial da aberration chromatic na baya, kuma ƙirar su ta daidaita tana ba da ingantaccen aiki dangane da siminti biyu. Steinheil triplets an tsara su musamman don haɗakarwar 1: 1, suna aiki da kyau don ƙimar haɗin kai har zuwa 5. Waɗannan ruwan tabarau suna yin kyawawan na'urorin gani mai kyau don aikace-aikacen kan- da kashe-axis kuma galibi ana amfani da su azaman eyepieces.
Paralight Optics yana ba da Steinheil achromatic sau uku tare da MgF2 Layer guda ɗaya na anti-reflective don kewayon tsayin tsayin nm 400-700 a saman duka waje biyu, da fatan za a duba jadawali mai zuwa don abubuwan da kuka ambata. Ƙirar ruwan tabarau ɗin mu an inganta ta kwamfuta don tabbatar da cewa an rage yawan ɓarnawar chromatic da spherical aberrations lokaci guda. Ruwan tabarau sun dace don amfani a mafi yawan tsarin hoto mai ƙarfi da kowane aikace-aikacen da dole ne a rage ɓarna mai siffar zobe da chromatic.
1/4 kalaman MgF2 @ 550nm
Mafi dacewa don Ramuwa na Lateral da Axial Chromatic Aberrations
Kyakkyawan On-Axis da Ayyukan Kashe-Axis
An inganta don Ƙimar Haɗin Ƙarshe
Substrate Material
Nau'in Gilashin Crown da Flint
Nau'in
Steinheil achromatic sau uku
Diamita Lens
6-25 mm
Haƙuri na Diamita Lens
+0.00/-0.10 mm
Hakuri na kauri na tsakiya
+/- 0.2 mm
Hakuri Tsawon Tsawon Hankali
+/- 2%
Ingancin saman (scratch-dig)
60-40
Rarraba Surface (Kololuwa zuwa kwari)
λ/2 a 633 nm
Cibiyar
3-5 guda
Share Budewa
≥ 90% na Diamita
Rufin AR
1/4 MGF2da 550nm
Zane Tsawon Tsawon Ruwa
587.6 nm