To change the rear right hand lens on vw Touran you need a user manual to guide and direct you.
which tool is to use to the patterns of an small object
A hand lens is nothing more than a hand-held magnifying glass. The term "hand lens" is used primarily in a laboratory setting. The lens, or glass, is set into a frame with a handle attached. The fictional Sherlock Holmes popularized the hand lens, or magnifyng glass when looking for clues to solve a mystery.
The mass of a hand lens can vary depending on the size and material it is made of. Typically, a hand lens can weigh anywhere from a few ounces to a pound.
The main parts of a hand lens include the lens itself, the frame or housing that holds the lens, the handle for holding and maneuvering the lens, and sometimes a protective cover or case.
== == It is used to magnify/ or make things appear closer?to magnify small objects
You should remove right defence cover first.
The upper outside "corner" of each lens hooks into the frame, and the inside edge of the lens (at the nosepiece) slides in and out. To remove the right lens, hold the frame with your left hand, left thumb on the top of the frame over the nosepiece, and left index finger between the two nose pads. Hold the right lens with your right thumb on top and right index finger underneath, close to the nosepiece, and pull the inside edge of the lens out and away from the frame while pressing slightly with your left thumb against the top of the frame, and pulling slightly with your left index finger (this is the bending action you probably remember). The lens will pivot at the outside corner, where it's hooked in, until you pull it free. Change your grip and repeat on the left side.
The type of lense is a convex lense
double convex
it measures your hand length
To change lenses on Easton Diamond Interchangeable Sunglasses, first, hold the frame firmly with one hand. Then, gently push the lens from the back with the other hand until it pops out. To insert a new lens, align it with the frame's grooves and press firmly until it snaps into place.
Well, honey, a microscope is like the high-tech, fancy version of a hand lens. It magnifies tiny things way more than a hand lens ever could. It's like comparing a sports car to a bicycle - both get you where you need to go, but one does it with a lot more style and power.