Anti-vibration optical system
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United States of America Patent
Stats
-
Dec 5, 2017
Issued Date -
N/A
app pub date -
Jan 10, 2016
filing date -
Jul 11, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An anti-vibration optical system is an observation optical system including, in sequence from an object side, an objective optical system, an erecting prism, and an ocular optical system, wherein: in sequence from the object side, the objective optical system includes a first lens group having a positive refracting power and a second lens group having a negative refracting power; in sequence from the object side, the second lens group comprises a positive lens group having a positive refracting power and a negative lens group having a negative refracting power; and an image position can be changed by the negative lens group of the second lens group being displaced in a direction orthogonal to an optical axis.
First Claim
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Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- G02B Class
- 22.62 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 5, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 5, 2029 |
