User:Draksis314/SB

$$\frac{1}{f} = \left( \frac{n}{n_{env}}-1 \right) \left[ \frac{1}{R_1} - \frac{1}{R_2}\right]$$

$$\frac{1}{d_o} + \frac{1}{d_i} = \frac{1}{f} $$

$$ M = - \frac{d_i}{d_o} = \frac{h_i}{h_o} $$

$$ n_1\sin(\theta_1)=n_2\sin(\theta_2) $$