WorksheetsLens quiz
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is focal length?
a)
* the distance between the lens and the sensor
b)
*How far an object is
c)
* the size of the sensor
2.
Short focal length,like 15mm means your field of view will be?
a)
* zoomed
b)
*wide
c)
* macro
3.
When one increases the focal length of their lens they are?
a)
*increasing the width of the image
b)
* increasing the aperture in the lens
c)
* magnifying the image to the sensor
4.
The standard used to compare length in a camera is based off of the
a)
*DSLR sensors
b)
* 35mm
c)
* crop factor
d)
* point and shoot sensor
5.
A full frame sensor size is considered? *
a)
35
b)
22.3 x 14.9
c)
23.6 x 15.8
6.
All DSLR cameras have a full frame sensor?
a)
true
b)
false
7.
What statement best explains the crop factor?
a)
images allow for cropping in an editor
b)
smaller sensor will reflect the image that can fit on the sensor
c)
full frame sensors two two images one cropped and one full frame.
8.
Zoom Ratio is?
a)
How much magnification the zoom lens has
b)
the brightness of the sensor
c)
the range which the zoom lens can zoom from and to
9.
If a lens can have more than one focal length it is called a
a)
fix lens
b)
travel lens
c)
zoom lens
10.
A lens size is measured approximately :* * *
a)
the size of the fstop
b)
from the cap the the lens to the sensor
c)
the round barrel of the lens
100 %
