Astronomical telescope maintenance
We have prepared 3 types of services so that you can choose maintenance according to the condition of various lens barrels and the required work.
Optical system maintenance
-Maintenance of the optical system-
Ⓐ Disassembly and cleaning of objective lens and reflector
Disassemble each optical system and clean the optical surface.
Wipe off visible mold and dirt.
Ⓑ Optical axis adjustment
Each optical system is built into the lens barrel,
Adjust the optical axis.
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Ⓒ Star image test
using test equipment,
Check the status of the star image after adjusting the optical axis.
Ⓓ Other inspections and adjustments
Other inspections and adjustments are performed upon request.
Ⓔ Cleaning the attached finder surface
Carry out maintenance (cleaning the surface) of the finder attached to the lens barrel.
We accept disassembly and cleaning for +2,200 yen.
Basic charge(tax included)
- The price is set according to the manufacturer, optical system, equipment condition, and work content.ー
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Refractive lens barrel (achromatic/apochromatic) ￥8,800～
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Reflective barrel (Newton-Cassegrain) ￥9,900～
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Composite barrel (catadoptric) ￥9,900～
overhaul
-Refreshes the entire lens barrel-
The following work is added to "optical system maintenance"
Ⓕ Cylinder interior wiping cleaning
Wipe off the dirt and mold attached to the inside of the cylinder.
Ⓖ Replacing the grease on the focus adjustment part
After cleaning the deteriorated grease, grease up,Adjust for smooth focusing.
Ⓗ Exterior cleaning
Removes dirt from the exterior.
Basic charge(tax included)
- The price is set according to the manufacturer, optical system, equipment condition, and work content.ー
-
Refractive lens barrel (achromatic/apochromatic) ￥17,600～
-
Reflective barrel (Newton-Cassegrain) ￥16,500～
-
Composite barrel (catadoptric) ￥16,500～
Overhaul menu options
Stray light prevention coating in cylinder(tax included)
Upgrade the stray light prevention coating inside the cylinder with a special paint.
Please let us know when requesting overhaul.
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Refractive lens barrel (achromatic/apochromatic) ￥7,700-
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Reflective barrel (Newton-Cassegrain) ￥8,800-
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Composite barrel (catadoptric) ￥8,800-
After painting
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before painting
Other maintenance
[Common to reflective lens barrel and compound lens barrel]
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Reflector re-plating coating (AlSio, Al enhanced reflection, etc.) Quotation
*Set according to the size (diameter and thickness) of the glass material.
After re-plating
before re-plating
[Refractive barrel]
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Objective lens surface cleaning - the objective lens is not disassembled from the cell, only the surface is cleaned ￥8,800-
[Both refracting and reflecting barrels]
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Optical axis adjustment (no need to disassemble) - When the optical axis can be adjusted with the adjustment mechanism attached to the cell (push-pull screw, etc.) ￥8,800～
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Optical axis adjustment (requires disassembly) - When adjustment is not possible with the adjustment mechanism attached to the cell and disassembly and precision adjustment of each lens is required ￥11,000～
[Compound barrel]
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Optical axis adjustment (no need to disassemble) - When the optical axis can be adjusted with the adjustment mechanism attached to the cell (push-pull screw, etc.) ￥11,000～
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Optical axis adjustment (requires disassembly) - When adjustment is not possible with the adjustment mechanism attached to the cell, and disassembly and precision adjustment of each reflector is required. ￥15,400～
[Common to refracting, reflecting, and compound barrels]
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Others ー We accept requests for maintenance, repair, modification, etc. Quotation
Eyepiece maintenance
Eyepieces are disassembled, and each optical surface is cleaned, assembled, and centered.
* Deterioration of the lens adhesive on the bonding surface cannot be repaired.
*Some old lenses and some overseas products cannot be disassembled due to adhesion of screwed parts or use of adhesive.
[24.5mm sleeve]
[31.7mm sleeve]
Number of components Base price (tax included)
~2 sheets ￥2,200-
3 or more ￥3,300～
other Quotation
Number of components Base price (tax included)
~ 4 sheets ￥3,300-
6 pieces or more ￥5,500～
zoom ￥11,000～
other Quotation
[50.8mm sleeve]
Number of components Base price (tax included)
~ 4 sheets ￥3,300
6 pieces or more ￥5,500～
zoom ￥11,000～
other Quotation
Maintenance of optical accessories
Each optical system accessory is disassembled and each optical surface is cleaned.
* Deterioration of the lens adhesive on the bonding surface cannot be repaired.
*Some old lenses and some overseas products cannot be disassembled due to adhesion of screwed parts or use of adhesive.
[Correction lens ]
種別 _cc781905-5cde -3194-bb3b-136bad5cf58d_ Basic price (tax included)
Reducer ￥5,500～
flattener
extender ￥5,500～
barrow
each filter Quotation
otherQuotation
[Visual accessories ]
Type Basic price (tax included)
zenith prism ￥2,200-
zenith mirror ￥1,650-
other Quotation
[Finder ]
Diameter Base price (tax included)
～30mm ￥3,300-
～50mm ￥5,500-
51mm~ ￥8,800～
other Quotation
*Additional ¥1,100 for replacement of crosshairs
maintenance of binoculars
Due to the adjustment facility, we are currently suspending acceptance.