反射屈折系の前玉繰出しによる焦点合せ
1977 年 6 巻 4 号 p. 155-157
詳細
1977 年 6 巻 4 号 p. 155-157
In this letter, an analysis is made on the method of focusing a certain catadioptric system by movement of front-member. For the given object distance, amount of the movement needed for the system to be in focus is given as a solution of the biquadratic equation.
A numerical example is given.
