I have a problem with a Baush & Lomb 'Harbourmaster' Telescope in my office. It was dis-assembly by our guest but he don't know how to re-assembly it. After several hour, we re-assembly the scope but the image is not sharp enough and is unclear. I wonder the image may be reversed.
In fact, I don't know how does it happen. Can anyone help to let me know where can I fix the telescope in Hong Kong? How can I find the assembly drawing for it?
The Harbormaster has a serial number engraved on the tube and comes with a certificate of authenticity and Bausch & Lomb's fantastic lifetime warranty.
The Harbormaster has a serial number engraved on the tube and comes with a certificate of authenticity and Bausch & Lomb's fantastic lifetime warranty.
Dear CL,
For most companies, once their products were taken apart, it void the warranty.
I have a problem with a Baush & Lomb 'Harbourmaster' Telescope in my office. It was dis-assembly by our guest but he don't know how to re-assembly it. After several hour, we re-asse ...
Can you post some photos to show which model of the telescope it is?
In fact, normally if the image is not sharp, it usually due to misalignment of the optical axis.
<http://electron9.phys.utk.edu/optics421/Laboratories/Lab4.htm>
For most astronomical telescope, a convex lense (凸透鏡) is used as eyepiece.
It get an inverted image (倒像).
For terrestrial telescope, the eyepiece is a concave lense (凹透鏡).
An erecting image (正像) is observed.
The Harbourmaster Telescope is a terrestrial telescope.
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