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What type of lens is useful for photographing very close to an object?
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Describe the attitude and approximate size of the image when an object is very close to and far from a convex lens?
When the object is close it is big and upright when far away it is small and upright also
What is a curved transparent object?
if you are using A+ it is lens
What will a convex lens do to an object?
magnifies the object
Image of object formed by a lens on the screen is not in sharp focus suggest a method to get clear focusing of the image on the screen without disturbing the position of the object lens or the screen?
You could insert a second lens in the focal path, between the object and the first lens. The second lens can be designed (or moved) to focus the image on the screen. This is the same function that eyeglasses do for people with poor vision. The second lens, the eyeglasses, are inserted between the viewed object and the lens of the eyes. The second lens is designed to correct the distortion of the eye lens, thus creating an in-focus object on the "screens" of the eyes.
What happens to an object if you move it closer to a concave lens?
As an object moves closer to a concave lens, the virtual image, that is created on the same side of the lens as the object, will remain upright but will be reduced in size.
The lens you look through magnifies of specimen?
a lens magnifies an object by using the pupal of your eyes and the glass from the lens to look up close. a lens magnifies an object by using the pupal of your eyes and the glass from the lens to look up close.
When an object is close to your eye what does the lens becomes thin or thick?
thick.
What does a macro lens mean?
A macro lens is used to take photographs of small subjects - a popular use is for photographing insects and foliage.
Why should you never rack downwards with the coarse focusing while you are looking down the microscope?
The object on the viewing stage is close to the lens of a microscope. Racking downward risks the lens touching the object and damaging either the object itself or the lens. Before moving the lens down, make sure you can see the lens and the object from the side of the microscope to void the two touching each other.
Which lens is best suited for wildlife photography?
A good lens for wildlife photography would be a 100-400mm lens or a similar lens in the range of F/4 or F/5.6. This lens will allow you to get good close up shots without the lens being too big or expensive. But it all depends on what you are photographing as a 100-400mm wouldn't really be capable of macro shots or really distant photos.
Describe the attitude and approximate size of the image when an object is very close to and far from a convex lens?
When the object is close it is big and upright when far away it is small and upright also
Which depth cue uses tension of the muscle attached to the lens to tell how close an object is if it is less than four feet away?
Monocular cues use tension of the muscle attached to the lens to tell how close an object is if less than four feet away.
What is a curved transparent object?
if you are using A+ it is lens
Describe compound microscope with ray diagram?
a compound microscope is the combination of two convex lenses the objective and the eyepiece. this lens with a small focal lenth this lens is placed close to the object
When should the high power objective used?
A higher power objective lens in a microscope is used when greater magnification is needed to study an object. The higher power objective lens has a shorter focal length and needs to be closer to the object being studied. It has a smaller aperture (lens diameter) so it has a narrower field of vision and may require more light to be useful. This means that it is more difficult to find and center the item being studied under the lens and it is harder to focus the lens on the object.
Which lens is the second lens that magnifies the object?
The eyepiece of the telescope doesn't magnify the object, but it does magnifythe real image of the object that forms at the focus of the primary lens or mirror.
What is object lens?
the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
