Question about Konusmotor 1796 (200 x 130mm) Telescope

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Loose dovetail mount

Dovetail mount screws are loose.need info on how to access ota in order to tighten you remove rear flip mirror assembly or what?please help.

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How do I attach telescope tube to eq dovetail mount?

You first have to get 2 tube rings. These must be the right size for your scope.

They will have hinges and clamp screws and at least one other hole for attaching to a dovetail rail. Then you need a rail, sized appropriately for your scope. They come in several lengths and 2 geometries, Vixen and Losmandy. Almost certainly you will need the first one.

There are some scopes with very fat tubes, like Schmidt-Cassegrains, where the rail attaches directly to the tube fittings.

Dec 16, 2015 | Telescopes

1 Answer

Use meade 644 flip mirror system

Need more information- several Meade scopes have a flip mirror like the ETX 90 for example. Usually it is in the position to use with an eyepiece. However it can be flipped so the rear port can be used on the telescope.

Hope that helps. There is a known issue with these old flip mirrors- the adhesive holding the mirror can fail. You must disassemble the scope and apply new adhesive to hold the mirror in place.

Dec 03, 2014 | Meade Telescopes

1 Answer

What other rings will fit a bausch and lomb trophy mount

I've been able to use parker hale rings successfully on mine. The dovetail measurement is compatible and the single stud on PH ring will fit in the screw hole of mount to prevent slippage. Also old leupold detacho rings utilize same dovetail measurement (but no crossbolt or back stop to help keep from slipping under severe recoil).

Nov 10, 2013 | Bausch and Lomb Telescopes

1 Answer

Focus. Knob is tight

Remove the OTA from the rear cell; unscrew the focuser shaft about half way (CCW) and remove the knob or electric focuser unit; there are three very small hex cap screws which hold the OTA into the rear cell; remove these and save in a tuna can or similar, because they WILL get lost if you place on the countertop. Once done, merely grasp the blue OTA in one hand with a rubber glove for grip and the rear cell/fork arms in the other hand and pull gently NOT twist while separating! You will see where the threaded focus rod inserts into the OTA....typically binding is causing the shifting, but most of this is due to poor milling by Meade on some 125 models. You can improve these imperfect models greatly, but do not expect to eliminate all focus shift. Run the focus rod gently all the way CCW until you feel NOT force or you will damage. Once there apply a thick grease, such as pure white Lithium (available in the tool dept. at Lowes) in a very thin layer, pushing hard into the NOT apply too much or you risk getting this stuff on the optics eventually. Once done, put the knob on the rod temporarily and run it in and out all the way slowly about 3-4 times. Once done, run it HALF-WAY between all the way and all the way out and stop. At that position, turn the OTA to about a 45-degree tilt, with corrector down and put 1-2 DROPS of 3-in-1 oil right where the threaded rod goes into the threaded rear cell of the scope and QUICKLY run the focuser CLOCKWISE to get that thin bit of oil into the rear cell threads. Once done, run the threaded rod slowly all the way CW and then CCW about 2 more times. This procedure will greatly improve the performance....NOTE: do NOT put more than 2 drops of oil on the rod!

Nov 30, 2011 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

The dovetail mounted scope (optical tube assembly) is smaller than the mounting block - with the mounting block surface top section flat while the scope peice is angled (?). I can tighten both the knob...

There are only two types of dovetail bars and saddles. A "Vixen style" and a "Losmandy style". One can be mistaken for the other. You probably have a Vixen style. tighten both knobs and you should be OK. Many dovetail bars have a screw hole in the end to place a bolt as a safety device if the bar should slip on the saddle -- the bolt would catch it and prevent the scope from falling off.

Dec 27, 2010 | Vixen VMC110L with SKYPOD Mount and...

1 Answer

My New 12? Meade LX200 ACF GPS telescope does not have the two screw?s in the front and the rear of the top of the main optical tube for mounting a dovetail plate to the top center or does it have screws...

You may need to mount just a rail like this one:

You can call Meade directly and ask:

Apr 28, 2010 | Meade LX200GPS Telescope

1 Answer

It doesn't seem possible to tighten the telescope to the telescope mount. The tightening knob seems too loose. Also, there is no way for us to get our fingers into the narrow space to tighten it.

Sure wish you would have NOT bought that telescope. It is a 50mm refractor which is exactly the same size as a pair of 10x50mm binoculars.

The binoculars will have better optics than that telescope.

If it is already broken? Can you return it? You cannot buy a usable good telescope for less than about $200. Here is a good beginner telescope. 6 inch mirror 4 inch mirror

Dec 12, 2009 | Edu-Science (10166) Telescope

2 Answers

I was given an old Infinity 114eq. The mirror is pretty scratched up how do I get a new mirror?

A new mirror can be obtained from meade. However, are the scratches in the glass or just on the coating? Small scratches will not affect the image quality, but coating defects such as areas of discoloration can be a problem. If that is the case, then the mirror may only need re-coating. An excellent source for that is Spectrum Coatings.

Oct 11, 2009 | Meade Infinity 114EQ-DH Telescope

1 Answer

Mounting finderscope

You can call Meade customer service and see if they will sell you this small part-- probably called a dovetail mount--

These can be bought from several different places if you know exactly what you need.

Feb 15, 2009 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

Loose Visual back / Baffle tube - Celestron SCT 9.25

Hi David, the visual back should thread on to the rear cell of the OTA but on the visual back there should be a screw to lock in you 1.25" accessories.

Jan 22, 2009 | Celestron Advanced C9 1/4-S 11045 (555 x...

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