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Scope got knocked over, now nothing can be seen through it

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Hi most likely the fall jarred the lens out of position. You may have to take it into a camera shop for a repair. J.

Posted on Jun 05, 2010

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Posted on Jan 02, 2017

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1 Answer

In Which direction do I knock the front sight out


to the wider side of the dovetail, some models doesnt matter, use a pen and a pice of paper to make two reference lines and measure if your not sure

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I have a 2000 VW beatle showing a trouble code P0322 Speed Sensor. I checked with Ohms meter and received correct reading? Car cuts off when hot.


Speed Sensor has nothing to do with the engine cutting off
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An OHM Meter won't do anything for you on a Speed
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My scope was knocked over....the reflector mirror fell out. How do I repair it? Please help me. I have yet to use the scope.


Most reflector mirrors are held inside the tube with a metal mirror cell that has clips that hold the mirror.

Remove the mirror cell at the bottom of the scope and re-clip the mirror back into the cell.

The scope will need to be collimated -- once the mirror is back in.

Watch this video:

http://www.andysshotglass.com/Collimating.html

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1 Answer

HI, Just purchased a nextstar 8 and when I tried to view thru the main eye-piece, nothing. Even tried to look at the full moon, nothing again. Yes, all the lens caps are off but it seems like the focas...


Check the focus knob and make sure the small "set-screw" is tight and the knob is just not spinning around on the shaft.

DID you turn the knob enough to focus? Sometimes it may take 10 - 20 full turns.

Finally the focuser is attached to a "rod" inside the tube that moves the mirror back and forth to focus the scope. It could have come loose from the rod?

Instructions for disassembly are here:
http://www.celestron.com/c3/support3/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=2220

and here:

http://www.sciencecenter.net/hutech/misc/focuslk/index.htm this just shows how it works.

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1 Answer

Hello everybody! I have a Powerseeker 127eq, I mounted correctly after I watched a video on YouTube, but I try to watch the moon for example, nothing is seen, only a halo or something that. A few days...


First you must line up the small "finder" scope with the main tube. Go outside during the day time and get a distant object in the eyepiece-- use the eyepiece with the largest number written on it.

Without moving the scope adjust the crosshairs on the finder scope onto the same distant object. Now you can use the small finder at night to POINT to objects in the sky.

Again put the eyepiece with the largest number written on it into the focuser. DO NOT USE the 2x barlow if you have one. Try the moon again, and turn the focuser knob until the moon is sharp and clear.

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1 Answer

Bushnell elite 6500 scope mark when looking through


i think you have a fungus growing on the lenses inside of the scope all you can do it have it striped and cleaned then re-gased,,and thats pricy

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1 Answer

Bushnell Banner .22 scope with loose part inside.


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Well, you have another issue besides a knock sensor problem. A knock sensor code WILL NOT illuminate the check engine light. Check for other codes stored in the ECU. I have seen oxygen sensor issues cause knock sensor issues due to inaccurate fuel delivery resulting in engine ping at all times (causing the ECU to think that the knock sensor is bad because it's reporting ping at all times) - but also had codes for one or more O2 sensors.

Nissan Scope Technician- 10 years with Nissan

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