Achromatisches und aplan alisches. 417

A I

also --- = =0,0209915 = nnm. log. 8,0220426,

V-A

' H-

1-1

0 601770 = °>03316S8 = num.log. 8,5207300,

Av F'

der Quotient —— = 1,5801104.

Es sey F" = 1, die Brennweite des zusammengesetzten Ob-jectivs, so soll

i 4- i = Lft_^ _ ,

F F' F V J,5«01104/

seyn , also F = 0,3(37133, F' = 0,380111.

Da ft = 0,6599955,

> ft = 0,6243094, so istA — B + C = 1 + 2^ =2,3199910,

A'—B' + C' = 1 + 2 ft' =2,2486188,

B— 2C = — - — l = — 4,030324,

B'—2C' = ——1 = — 4,203540,f*

D' — E' = i(- 4 -4/.') = -1.6,4972376= — 17,697230.

G=5,287286; G' = — 2,864565.

(B — 2C)GA — B + C ~

(Ä^B + C) F' - U > 01joy7 ’

=-3,264732;

r^B G ’+c = + 27 '' Ä880 '

F' (A — B + C) = ~ 5 )"43060 *,

9,185152;

VI. BJ.

Dd