Ray Optics and Optical Instruments

M = 1 + \frac{D}{f}

M = \frac{D}{f}

M = m_o \times m_e

M = \frac{v_o}{u_o} \left(1 + \frac{D}{f_e}\right)

M = \frac{v_o}{u_o} \cdot \frac{D}{f_e}

M = \frac{f_o}{f_e}

M = \frac{f_o}{f_e} \left(1 + \frac{f_e}{D}\right)

\theta = \frac{1.22\lambda}{D}

d = \frac{\lambda}{2n \sin\theta}