CN2446534Y - Miniature wide-angle telescope - Google Patents
Miniature wide-angle telescope Download PDFInfo
- Publication number
- CN2446534Y CN2446534Y CN 00226840 CN00226840U CN2446534Y CN 2446534 Y CN2446534 Y CN 2446534Y CN 00226840 CN00226840 CN 00226840 CN 00226840 U CN00226840 U CN 00226840U CN 2446534 Y CN2446534 Y CN 2446534Y
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- CN
- China
- Prior art keywords
- prism
- pupil
- telescope
- cemented
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a miniature wide-angle telescope which comprises a left and a right lens cones which are connected into integration through a pupil regulating device, wherein, the inner front parts of the lens cones are provided with cemented objectives, and the middle parts of the lens cones are provided with a prism group; the back parts of the lens cones are provided with cemented eye lenses, and the prism group comprises an equicrural roof prism and a semi-pentagonal prism, both of which adopt BaK7 prisms; each of the cemented eye lenses comprises two symmetrical cemented eye lenses. The utility model has the advantages of small size, light weight, wide angle and clear image, and the utility model can be worn on heads for a long time.
Description
The utility model relates to a kind of miniature wide-angle telescope.
At present, when people watch at the scene scene such as sports tournament, variety show and joyous celebration, often need by telescope.Because it uses many more than 1.5 hours, based on view closely, generally require 12～25 ° of bigger visual fields, magnification is 2.5～6
X, the middle or small enlargement ratio of genus.And existing this type of telescope, as magnification 7～40
X, being the keplerian telescope of prism, field angle is 50 '～8 °, but volume is big, length long, Heavy Weight, only is suitable for the working time now to see remote scenery with having a rest; Magnification is 3～4
XTelescope, be the Galileo type telescope, imaging definition is relatively poor, can't avoid the dizzy phenomenon of tide, and have aforesaid drawbacks concurrently.In a word, defectives such as existing telescope exists to some extent generally that volume is big, Heavy Weight, visual angle are little can only be fixed on the tripod or hand-held watching, on a large scale, large-area scenery can not enter the human eye visual field simultaneously, especially can't catch up with the target of rapid movement, use, carry equal inconvenience.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art, and provides a kind of volume little, and is in light weight, wide-angle, and imaging is clear, can wear the miniature wide-angle telescope that uses on head for a long time.
Design proposal of the present utility model is as follows:
A kind of miniature wide-angle telescope, comprise left and right two lens barrels 10, this two lens barrel 10 is connected as a single entity by transferring pupil device 12, the front portion is provided with cemented objective 11 in the described lens barrel 10, the middle part is provided with prism group 3, and the rear portion is provided with gummed eyepiece 7, and its special character is: described prism group 3 comprises an isosceles roof prism and one and half pentagonal prisms, it all adopts the BaK7 prism, and described gummed eyepiece 7 comprises the gummed eyepiece of two symmetries.
Between above-mentioned prism group 3 and the gummed eyepiece 7 field lens 5 can be set.
Above-mentioned accent pupil device 12 can adopt transfers the pupil plate, transfers the pupil plate to be provided with inside groove 15, and inside groove 15 two ends are arranged with the accent pupil bar 11 of threaded engagement with it, and described left and right two lens barrels 10 fix with transferring pupil bar 11.
Accompanying drawing is a structural representation of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing:
Referring to accompanying drawing, cemented objective 1 of the present utility model is fixed in the objective holder 2.Prism group 3 can be made up of an isosceles roof prism and one and half pentagonal prisms, and it all is fixed in the prism table 4.Prism group 3 used prisms with adopt BaK7 material ridge precision with ± 5 " for being the best.For enlarging the visual angle, at the rear portion of prism group 3 field lens 5 can be set, it also is fixed in the prism table 4.The prism table 4 that prism group 3 and field lens 5 are housed is installed on the middle part of lens barrel 10, and the objective holder 2 that cemented objective 1 is housed screws in the lens barrel 10 by the thread connection position, both threaded engagement, and compress prism table 4.Two symmetrically arranged gummed eyepieces 7, the centre is provided with eyepiece spacer ring 8, and gummed eyepiece 7 is fixed in the eyepiece stalk 9 by eyepiece trim ring 6.Eyepiece stalk 9 screws in the lens barrel 10, with lens barrel 10 threaded engagement by the thread connection position.Left and right two lens barrels 10 are divided on the accent pupil bar of transferring in the pupil device 12 two ends inside grooves 15 11.By transferring the interpupillary distance of left and right two lens barrels 10 of pupil bar 11 scalable.Stationary installation 16 can directly be fixed with transferring pupil device 12 or lens barrel 10.Stationary installation 16 can adopt spectacle frame, fixed band etc. to be convenient to be fixed in device on the head.When adopting spectacle frame, connecting link 13 can be set, the one end is fixed with transferring pupil device 12 by lock-screw 14, and the other end can be connected and fixed with spectacle frame.Objective holder 2 of the present utility model, prism table 4, eyepiece trim ring 6 and eyepiece spacer ring 8 etc. are good to adopt the Light Aluminum Alloy material; Lens barrel 10 and other all are advisable with employing ABS engineering plastics with the non-element that directly contacts of glass.
The utility model compared with prior art has following advantage:
1, compact conformation, volume is little; In light weight, be generally less than 70～98 grams; The telescope length overall is less than 5cm;
2, the angle of visual field can be 16～17 °, has realized wide-angle, watches the scenery broad view. Amplify with existing Rate is 12X, the angle of visual field is 5 ° telescope ratio, the scope of watching can enlarge 10～11.6 times; Put with existing Big rate is 7～9X, the telescope ratio that angle of visual field average out to is 8 °, the scope of watching can enlarge 4～4.5 times;
3, the ridge precision reach ± 5 ", imaging clearly resembles of fine quality good;
4, on a large scale, large tracts of land scenery can enter the human eye visual field simultaneously, can catch up with and adapt to rapid movement Target;
5, can be fixed in head and upward or on the glasses wear for a long time, easy to use, comfortable.
Claims (3)
1, a kind of miniature wide-angle telescope, comprise left and right two lens barrels (10), this two lens barrel (10) is connected as a single entity by transferring pupil device (12), the interior front portion of described lens barrel (10) is provided with cemented objective (11), the middle part is provided with prism group (3), and the rear portion is provided with gummed eyepiece (7), and it is characterized in that: described prism group (3) comprises an isosceles roof prism and one and half pentagonal prisms, it all adopts the BaK7 prism, and described gummed eyepiece (7) comprises the gummed eyepiece of two symmetries.
2, miniature wide-angle telescope as claimed in claim 1 is characterized in that: be provided with field lens (5) between described prism group (3) and the gummed eyepiece (7).
3, miniature wide-angle telescope as claimed in claim 1 or 2, it is characterized in that: described accent pupil device (12) is for transferring the pupil plate, it is provided with inside groove (15), inside groove (15) two ends are arranged with the accent pupil bar (11) of threaded engagement with it, and described left and right two lens barrels (10) fix with transferring pupil bar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00226840 CN2446534Y (en) | 2000-09-28 | 2000-09-28 | Miniature wide-angle telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00226840 CN2446534Y (en) | 2000-09-28 | 2000-09-28 | Miniature wide-angle telescope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2446534Y true CN2446534Y (en) | 2001-09-05 |
Family
ID=33590590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00226840 Expired - Fee Related CN2446534Y (en) | 2000-09-28 | 2000-09-28 | Miniature wide-angle telescope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2446534Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635330A (en) * | 2015-03-07 | 2015-05-20 | 杨向勇 | Telescope capable of synchronously tuning focuses of dual optical paths and photographing in real time |
-
2000
- 2000-09-28 CN CN 00226840 patent/CN2446534Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635330A (en) * | 2015-03-07 | 2015-05-20 | 杨向勇 | Telescope capable of synchronously tuning focuses of dual optical paths and photographing in real time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |