O ta'i tolu achromatic o lo'o i ai se elemene pito i lalo o le pale fa'amaufa'ailoga ua fa'amamaluina i le va o elemene pito i fafo o le maa ma'a maualuga tutusa.O nei ta'i tolu e mafai ona fa'asa'o uma axial ma lateral chromatic aberration, ma o latou mamanu fa'atusa e maua ai le fa'aleleia atili o le fa'atinoga e fa'atatau i fa'alua sima.O Steinheil triplets ua fa'apitoa ona fa'atulagaina mo le 1: 1 fa'atasi, latou te fa'atinoina lelei mo fa'atusatusaga fa'atasi e o'o atu i le 5. O nei tioata e fa'asolo lelei ai fa'aoga mo le fa'aogaina i luga ma fafo ma e masani ona fa'aaogaina e fai ma mata.
O le Paralight Optics e ofoina atu Steinheil achromatic triplets ma MgF2 e tasi faʻapipiʻi faʻapipiʻi faʻamalama mo le 400-700 nm galu umi i luga uma o fafo, faʻamolemole siaki le kalafi o loʻo i lalo mo au faʻamatalaga.O la matou mamanu tioata e sili ona lelei i le komepiuta e fa'amautinoa ai e fa'aitiitia fa'aletonu chromatic ma spherical i le taimi e tasi.O tioata e talafeagai mo le fa'aoga i le tele o faiga fa'ata'ita'iga maualuga ma so'o se fa'aoga e tatau ona fa'aitiitia ai le fa'aogaina o le spherical ma le chromatic aberrations.
1/4 galu MgF2 @ 550nm
Lelei mo Taui o Lateral ma Axial Chromatic Aberrations
Lelei i luga-Axis ma Off-Axis Fa'atinoga
Fa'atonuina mo Fa'atusatusaga Fa'atasi Fa'atasi
Mea fa'avae
Ituaiga Matai Mata ma le Flint
Ituaiga
Steinheil achromatic triplet
Vaitaimi tioata
6 - 25 mm
Fa'apalepale le lapoa o tioata
+0.00/-0.10 mm
Fa'apalepale Mafiafia Tutotonu
+/- 0.2 mm
Fa'apalepale Umi
+/- 2%
Tulaga lelei (scratch-eli)
60 - 40
Fa'aletonu o le Lau'ele'ele (Peak to Vanu)
λ/2 ile 633 nm
Tulaga
3 - 5 arcmin
Avanoa manino
≥ 90% ole Diamita
AR fa'apipi'i
1/4 galu MgF2@550nm
Fuafuaga Uumi Galu
587.6 nm