Sighting telescope with ED lens

Abstract

A sighting telescope with an ED lens comprises a lens barrel, an objective lens barrel is arranged at the front end of the lens barrel, an objective lens is installed in the objective lens barrel, the ED lens is arranged on the back face of the objective lens, the ED lens and the objective lens are separated through a lens space ring, an objective lens pressing ring is installed at the front end of the objective lens barrel, the objective lens is blocked by the objective lens pressing ring, and a check ring is machined at the tail of the objective lens barrel. A spring installation seat is arranged on the check ring, a spring installation groove is formed between the spring installation seat and the side wall of the objective lens barrel, a spring is installed in the spring installation groove, and the spring provides elastic force to press and fix the ED lens and the objective lens between the objective lens pressing ring and the check ring of the objective lens barrel. Compared with the prior art, according to the sighting telescope with the ED lens, the ED lens is arranged at the position of the objective lens, dispersion of the lens is reduced, sharpness of the lens is guaranteed, gaps between the lenses are eliminated through the internal spring, and the ED lens and the objective lens are fixed in the objective lens barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to sighting telescope technical field, specifically is a sighting telescope with ED lens. BACKGROUND

[0002] The objective lens and the ocular lens are arranged at the both ends of the optical sighting telescope, wherein the objective lens will produce large light scattering in the imaging process, that is, chromatic aberration, so that the color vividness is affected. SUMMARY

[0003] The utility model solves the technical problem in the prior art and provides a sighting telescope with ED lens.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A sighting telescope with ED lens, including the lens barrel, the lens barrel front end is provided with the objective lens barrel, the objective lens barrel is installed with the objective lens, the back of the objective lens is provided with ED lens, and the ED lens is separated from the objective lens through the lens spacer ring, the objective lens barrel front end is installed with the objective lens pressing ring, the objective lens pressing ring blocks the objective lens, the tail part of the objective lens barrel is processed with the blocking ring, the blocking ring is provided with spring mounting seat, the spring mounting seat and the side wall of the objective lens barrel form the spring mounting groove, the spring is installed in the spring mounting groove, and the spring provides elastic force to press and fix the ED lens and the objective lens between the objective lens pressing ring and the blocking ring of the objective lens barrel.

[0006] Further, the objective lens is a convex mirror, and a sealing ring is arranged between the objective lens and the objective lens barrel.

[0007] Further, the sealing ring is a wrap angle sealing ring, and the wrap angle sealing ring is attached to the convex mirror.

[0008] Further, the objective lens barrel is processed with a sealing ring mounting groove, and the sealing ring is mounted in the sealing groove.

[0009] Further, the objective lens comprises a first objective lens and a second objective lens, the back of the second objective lens is provided with two pieces of ED lens, an objective lens spacer ring is arranged between the first objective lens and the second objective lens, and an ED lens spacer ring is arranged between the two pieces of ED lens.

[0010] Further, the outer dimensions of the objective lens spacer ring, the ED lens spacer ring and the lens spacer ring are the same.

[0011] Further, the first objective lens is a double convex mirror, the second objective lens is a single convex mirror, the convex surfaces on both sides of the first objective lens are provided with sealing rings, the convex surface on one side of the second objective lens is provided with a sealing ring, the objective lens pressing ring is pressed on the sealing ring of the first objective lens, and the objective lens spacer ring abuts against the sealing rings on the other side of the second objective lens and the first objective lens.

[0012] Further, the ED lens spacer, both ends of the lens spacer and the spring end are provided with sealing pads.

[0013] Compared with the prior art, the utility model discloses a riflescope with ED lens, which sets ED lens at objective lens, reduces lens dispersion, guarantees lens sharpness, and utilizes internal spring to eliminate the gap between lenses, so that ED lens and objective lens are fixed in objective lens barrel. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Among them, 1, lens barrel, 2, objective lens barrel, 3, ED lens, 4, lens spacer, 5, objective lens pressing ring, 6, stop ring, 7, spring mounting seat, 8, spring, 9, first objective lens, 10, second objective lens, 11, objective lens spacer, 12, ED lens spacer, 13, sealing ring, 14, sealing pad. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiment of the utility model will be clearly and completely described below.

[0017] As Figure 1 As shown in a kind of ED lens riflescope, including lens barrel 1, objective lens barrel 2 is set in the front end of lens barrel 1, objective lens barrel 2 is installed with objective lens, the back of the objective lens is provided with ED lens 3, ED lens can reduce dispersion, ED lens 3 is separated by lens spacer 4 between ED lens and objective lens, objective lens pressing ring 5 is installed in the front end of objective lens barrel 2, objective lens pressing ring 5 is screwed in objective lens barrel 2, objective lens pressing ring 5 blocks objective lens, the tail of objective lens barrel 2 is processed with stop ring 6, stop ring 6 is provided with spring mounting seat 7, convex platform is provided on spring mounting seat 7, and spring mounting groove is formed between the side wall of objective lens barrel 2, spring 8 is installed in spring mounting groove, and spring 8 provides elastic force and is pressed tightly with ED lens 3 and objective lens between objective lens pressing ring 5 and the stop ring 6 of objective lens barrel.

[0018] In the embodiment, the objective lens includes first objective lens 9 and second objective lens 10, the back of second objective lens 10 is provided with two pieces of ED lens 3, objective lens spacer 11 is provided between first objective lens 9 and second objective lens 10, ED lens spacer 12 is provided between two pieces of ED lens 3, in order to prevent spacer installation error, the external dimensions of objective lens spacer 11, ED lens spacer 12 and lens spacer 4 are all same.

[0019] The objective lens is a convex lens, and a sealing ring 13 is arranged between the objective lens and the objective lens barrel 2, wherein the first objective lens 9 is a double-convex lens, the second objective lens 10 is a single-convex lens, the two sides of the first objective lens 9 are provided with the sealing ring 13, and one side of the second objective lens 10 is provided with the sealing ring 13; in the embodiment, the sealing ring 13 is a wrap angle sealing ring, the wrap angle sealing ring is attached to the outer shape of the convex lens, and the sealing performance is improved.

[0020] The objective lens barrel 2 is processed with a sealing ring mounting groove, and the sealing ring 13 is mounted in the sealing groove.

[0021] The objective lens pressing ring is pressed on the sealing ring 13 of the first objective lens 9, the two ends of the objective lens spacer 11 abut against the sealing rings on the other side of the second objective lens 10 and the first objective lens 9, the two ends of the ED lens spacer 12 and the lens spacer 4 and the spring end are all provided with sealing pads 14, and the lens is prevented from being damaged by arranging the sealing pads 14.

[0022] The utility model is not limited to the embodiment, and those skilled in the art can still make some corrections or changes without departing from the spirit of the utility model, i.e. the scope of the disclosure, so the protection scope of the utility model is limited to the range defined in the claims.

Claims

1. A riflescope with ED lens, comprising a lens barrel, a front end of the lens barrel is provided with an objective lens barrel, an objective lens is installed in the objective lens barrel, characterized in that: The back of the objective lens is provided with an ED lens, the ED lens is separated from the objective lens by a lens spacer, the front end of the objective lens barrel is provided with an objective lens pressing ring, the objective lens pressing ring blocks the objective lens, the tail of the objective lens barrel is processed into a blocking ring, the blocking ring is provided with a spring mounting seat, the spring mounting seat and the side wall of the objective lens barrel form a spring mounting groove, a spring is mounted in the spring mounting groove, and the spring provides elastic force to press and fix the ED lens and the objective lens between the objective lens pressing ring and the blocking ring of the objective lens barrel.

2. A riflescope with an ED lens as in claim 1, wherein: The objective lens is a convex lens, and a sealing ring is arranged between the objective lens and the objective lens barrel.

3. A riflescope with an ED lens as in claim 2, wherein: The sealing ring is a wrap angle sealing ring, and the wrap angle sealing ring is matched with the shape of the convex lens.

4. A riflescope with an ED lens as in claim 3, wherein: The objective lens barrel is processed with a sealing ring mounting groove, and the sealing ring is mounted in the sealing groove.

5. A riflescope with an ED lens as in claim 4, wherein: The objective lens comprises a first objective lens and a second objective lens, the back of the second objective lens is provided with two ED lenses, an objective lens spacer is arranged between the first objective lens and the second objective lens, and an ED lens spacer is arranged between the two ED lenses.

6. A riflescope with an ED lens as in claim 5, wherein: The objective lens spacer, the ED lens spacer and the lens spacer have the same outer dimensions.

7. A riflescope with ED lenses as in claim 5, wherein: The first objective lens is a double convex lens, the second objective lens is a single convex lens, the sealing ring is arranged on the convex surface of the first objective lens on both sides, the sealing ring is arranged on the convex surface of the second objective lens on one side, the objective lens pressing ring is pressed on the sealing ring of the first objective lens, and the objective lens spacer is pressed against the sealing ring on the other side of the second objective lens and the first objective lens.

8. A riflescope with an ED lens as in claim 5, wherein: The ends of the ED lens spacer and the lens spacer and the end of the spring are all provided with sealing pads.

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