A Camera Mount That Is a Three-Legged Stand with Extendable

Q21: Of the following, which f-stop setting would

Q22: Of the following, which focal length would

Q23: Decreasing the opening of a lens will

Q24: _is the distance between the optical center

Q25: A short focal length creates this type

Q27: The _refers to the measurement of the

Q28: The small viewfinder with a flexible eyecup

Q29: List the advantages and disadvantages of using

Q30: _is the distance between the nearest and

Q31: The _is the opening in the lens