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What the differences between convex lens and concave lens?
A concave lens helps you see far if you're nearsighted and convex lenses help you see near if you're farsighted.
When a person is far sided do the need a concave lens or convex lens?
Farsighted people use convex lenses to correct their vision.(This is the correct answer!)
An object is 51 millimeters from a diverging lens the object has a height of 13 millimeters and then image height is 3.5 millimeters How far in front of the lens is the image located?
13.7 millimeters
An object located 51 millimeters from a diverging lens the object is 13 millimeters high and the image 3.5 millimeters how far in front of the lens is the image located?
13.7 millimeters
What happens when you look at an object that is far away?
Focal length of eye lens increases and the ciliary muscles expands
What is a petri camera 400mm lens worth?
loads
How much is the average price of a Canon 400mm lens?
The average price for a Canon 400mm lens varies from about 1,500 dollars to 1,100 dollars. On Amazon you can buy a new lens for about 1,500 from most sellers, while used ones range from 1,450 dollars to 1,100.
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.
What is the best Nikon zoom lens for football?
200-400mm, with a monopod (single leg tripd).
Where can one find a Canon EF 100 400mm?
Canon has long been a respected name in the camera and photocopy business. The Canon EF 100-400mm is a telephoto lens that can be used online from Amazon and eBay.
What is the best tripod to use with a 5d mark2 camera and 100-400mm lens?
Any Gitzo tripod, like the carbon fiber 6X series.
Which is longer 400mm or 4dm?
4 dm is greater than 400mm
How many 400mm x 400mm pavers are there in 180 squared meters?
1125
Which is longest 400 mm 0.5m or 90 cm?
400mm = 0.4m 90cm = 0.9m 0.5m = 0.5m 0.9m > 0.5m > 0.4m, so 90cm is the longest.
How far can a 1300mm lens see?
A 1300mm lens can see to infinity.
How do you get the f-stop to go below 5.8 on the Nikon D3100?
What lens? If your D3100 is using an f/5.6 (or f/5.8) aperture lens, that's as far as you can stop it down.
What is the Square meter of 600MM x 400MM?
600mm * 400mm = 0.6m * 0.4m = 0.24 sq metres
