Follow focus apparatus
OwnerSarorn R. Siminventor
Life of this patent
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Abstract
A follow focus apparatus for adjusting the focus of a camera lens includes a gear ring and a sizing ring. The gear ring includes an outer surface, an inner surface, and at least one through-hole extending radially therethrough. The outer surface has a plurality of teeth extending radially outwardly therefrom, and the inner surface has a cavity defined therein. The sizing ring is releasably coupled to the gear ring and includes an outer ring body coaxially coupled to an inner ring body.
Claims20
A follow focus apparatus for focus adjustment of a camera lens, the follow focus apparatus comprising:
- a gear ring including an outer surface and an inner surface, the outer surface having a plurality of teeth extending radially outwardly therefrom and the inner surface having a cavity defined therein, the gear ring including at least one through-hole extending radially therethrough;
- and
- a sizing ring releasably coupled to the gear ring, the sizing ring including an outer ring body coaxially coupled to an inner ring body.
A gear ring and sizing ring assembly of a follow focus apparatus for use in focus adjustment of a camera lens, the gear ring and sizing ring assembly comprising:
- a non-deformable gear ring including a plurality of teeth extending radially outwardly from an outer surface thereof, an annular cavity defined in a radially inner surface thereof, the gear ring including at least one through-hole extending radially therethrough;
- a deformable sizing ring releasably coupled to the gear ring, the sizing ring including an outer sizing ring body coaxially coupled to an inner sizing ring body;
- and
- a securing member removably retained within the at least one through-hole and radially securing the ring gear and the sizing ring to one another.
Dependencies are inferred from the claim text.