Cheap photography DIY for zoom and clarity
For all you photographers who would like to get closer to the subject without losing the clarity, an Achromatic Diopter can help. These are mostly expensive, so a Do It Yourself project could be fun and not hurt your wallet.
Daniel Schweinert has written a guide to build an Achromatic-Diopter in 2 easy steps. Based on your camera lens size, you can use a pair of binoculars and then search or build a holder for the lens.
The video below shows some examples of the clarity during close ups and zoom.