Zoom lens having wide-angle and telephoto modes and photographing apparatus including the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 9, 2018
Issued Date -
N/A
app pub date -
Mar 4, 2016
filing date -
Mar 5, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A zoom lens including a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive refractive power; a fourth lens group having a negative refractive power; and a fifth lens group having a positive refractive power. The first through fifth lens groups are arranged sequentially from an object side to an image side of the zoom lens, and the first lens group includes a doublet lens and a lens having a positive refractive power. The second lens group includes a first sub-lens group having a negative refractive power and a second sub-lens group having a negative refractive power that is arranged to perform a focusing function. Each of the lens groups is arranged to move when the zoom lens is zoomed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully