Fig.2 SCHEME OF THE SCHIEFSPIEGLER
SYMBOLS--5--
Fig.2 SCHEME OF THE SCHIEFSPIEGLER
SYMBOLS
| φ1 | inclination of the primary |
| φ2 | inclination of the secondary |
| φ3 | inclination of the corrector lens |
| Δ | the first axis-distance |
| Δ′ | the second axis-distance |
| y3 | radius of the cone of light on the corrector-lens |
| y3′ | radius of the corrector-lens |
| a1m | distance of the corrector lens from the meridional focus |
| s | distance of the corrector lens from the secondary |
| γ | variation-angle |
| Γ | angle of the extended field of view toward the eyepiece's focal- plane. |
| All other symbols v. fig.1 | |
We are using the uppercase Greek letter Delta, Δ, in the text to represent the symbol Kutter drew as a right triangle.
We are using the lowercase Greek letter gamma, γ, in the text to represent the symbol Kutter drew as 