Field tools may be nothing more than a rock hammer and hand lens.

Under a hand lens, the flower was fascinating to see.

I never got around to looking at them with a high-powered hand lens.

Examine the edge with a hand lens of 15 or 20 power and you will clearly see what has to be done.

The oil dots are transparent and visible with a hand lens.

Very simply with a hand lens, or pocket magnifier as it is sometimes called.

They range in price, but a good 10-power hand lens can be obtained for about $10.

As to where to find a hand lens, that should not be a problem.

Nature's deed is done and those who have seen these possibilities with the hand lens can understand the process better.

Often, however, a simple hand lens may reveal the cause of a particular problem.