healthy eye can see minimum distance of 25 cm and can see up to infinite distance without any tension of eye.
Since microscopes are instruments to see and observe very small objects which are not visible to naked eye, it needs to focus on them. The lenses are used for this purpose of focusing. If there will be no lens in the microscope then it will not be able to zoom and focus.
a birds eyes are much sharper then ours and they can see better then us
the zoom the tester the power and the light
to be able to zoom on the moon and to get around faster
The average is 200 or 400x. magnification max.
$35?
Optical Zoom is the true zoom, Digital is basically the zoom in of what the highest optical zoom is. Therefore Optical Zoom is the better zoom, and gives a much clearer picture.
Its the Zoom tool
click page on the top of the page and go to zoom and pick how much you want to zoom
It enables you to zoom in on things that you cannot see with the naked eye
Zoom grossed $12,506,188 worldwide.
Zoom grossed $11,989,328 in the domestic market.
That depends on what you are using it for. For small family shots, about 5.0x zoom is good. If you are going into nature photography or something you will first of all not want digital, but manual zoom, and you will also want a much much stronger zoom.
The Olympus Stylus has a 3x optical zoom feature.
It is exactly what it sounds like. You zoom in on your subject by using the lens (normally it is attached to the camera itself and can be taken off). You control how far, how much, and where. Usually, optical zoom is used with manual zoom.
A optical zoom use the lenses to focus in on a subject, pretty much the same way binoculars work. Digital zoom magnifies the subject by enlarging in in the pic thru a digital process, this is not a true type of zoom.
it helps him to zoom at objects like a mini binocular he lost it in battle with sasuke