Aimer
An aimer is provided. The aimer includes an object lens unit, a body and an eyepiece unit. The body is connected to the object lens unit. The eyepiece unit is connected to the body. The eyepiece unit includes a first pipe, a second pipe, a lens unit and a graduated pattern. The first pipe is connected to the body. The second pipe is connected to the first pipe, wherein the second pipe is rotated to move between a first position and a second position relative to the first pipe. The lens unit is disposed in the second pipe. The graduated pattern is formed on the second pipe.
1 . An aimer, comprising:
an object lens unit;
a body, connected to the object lens unit;
an eyepiece unit, connected to the body , wherein the eyepiece unit comprises:
a first pipe, connected to the body;
a second pipe, connected to the first pipe, wherein the second pipe is rotated to move between a first position and a second position relative to the first pipe;
a lens unit, disposed in the second pipe; and
a graduated pattern, formed on the second pipe.
2 . The aimer as claimed in claim 1 , wherein a mark is formed on the first pipe, and a diopter level of the eyepiece unit is read from the graduated pattern corresponding to the mark.
3 . The aimer as claimed in claim 1 , wherein the second pipe comprises a graduated ring, the graduated pattern is formed on the graduated ring, and the graduated ring telescopes the second pipe.
4 . The aimer as claimed in claim 1 , wherein the second pipe comprises a rubber ring, the graduated pattern is formed on the rubber ring, and the rubber ring is disposed on an end of the second pipe.
5 . The aimer as claimed in claim 1 , wherein the first pipe telescopes the second pipe.
6 . The aimer as claimed in claim 1 , wherein the lens unit has a first lens and a second lens, and the first lens and the second lens are fixed in the second pipe.
7 . The aimer as claimed in claim 1 , wherein the eyepiece unit further
8 . The aimer as claimed in claim 7 , wherein the eyepiece unit further comprises a fixing ring disposed in the second pipe to fix the first lens, the second lens and the spacer.
9 . The aimer as claimed in claim 7 , wherein the lens unit has a lens, and the lens is fixed in the second pipe.
10 . The aimer as claimed in claim 9 , wherein the eyepiece unit further comprises a fixing ring disposed in the second pipe to fix the lens.
11 . The aimer as claimed in claim 1 , wherein the first pipe comprises a protrusion formed on an inner wall thereof, the second pipe comprises an abutting portion and a stopping ring, the abutting portion is formed on a literal surface of the second pipe, and the stopping ring is disposed on an end of the second pipe.
12 . The aimer as claimed in claim 11 , wherein when the second pipe is moved to the first position relative to the first pipe, the abutting portion abuts the protrusion.
13 . The aimer as claimed in claim 11 , wherein when the second pipe is moved to the second position relative to the first pipe, the stopping ring abuts the protrusion.