If you need a wider shot than you can get by putting your lens against the glass, you can block the reflections using a black cloth the way we did in in our Reflections in Photography video.

Repeat steps 2 to 8 for a rectangular glass block. Measure the angle of incidence, angle of reflection and angle of refraction inside the block for each block.

Repeat steps 2 to 8 for a rectangular glass block. Measure the angle of incidence, angle of reflection and angle of refraction inside the block for each block.