Questions & Answers for: loose focus knob

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Question about Telescope

1 Answer

...focus knob is loose and sloppy. It turns real easy and never gets the object in focus. Any suggestions on correcting this? Try tightening the grub screw that fastens the knob onto the shft that it ...

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Question about ETX-125EC (500 x 127mm) Telescope

1 Answer

...focus, do you have any info how to resolve this problem. I can not find any drawings for this scope on internet. it could be the grub screw on the knob needs tightening. If it is loose, the knob will ...

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Question about ETX-125EC (500 x 127mm) Telescope

1 Answer

...Loose image when focusing when i turn the focusing knob in and out the image iam loking at also moves around side to side.is this a repair i can do myself ? The ETX family (and other Meade LX ...

Question about ETX-125EC (500 x 127mm) Telescope

1 Answer

Loose image when focusing The shift is bad when i have an object in the center of field of view and then focus, the image will go way out to the outer edge and will hang up out there untill i turn the

Question about ETX-125EC (500 x 127mm) Telescope

1 Answer

...focus. When the focuser knob is rotated either direction it moves the image up or down. The knob could have come loose from the mirror. This would require a return to Celestron for repair or a ...

Question about P-01310 Monocular Microscope

1 Answer

...loose, and instead of rotating in a smooth circular motion it rotates rather ecliptically. Could this be causing our out of focus issue? The "organisms" on the slides come into focus when we lift ...

Question about NexStar 4 SE Telescope

1 Answer

...focus knob supposed to feel loose slides in and out but also moves up down left and right. The focus knob is not supposed to feel like that. On my Celestron it had almost become detached from the ...

Question about NexStar 4 SE Telescope

1 Answer

...focus lock will have no effect until tight, when the focuser will cease moving, as is now. The other screw will gradually remove looseness and rattle from the focuser until it just moves smoothly, ...

...focus knob spins freely, can't remove to service microscope! Junior, light microscope requires servicing. Trying to remove one of the focus knobs so that that the microscope can be taken apart. ...

focus due to loose element within viewfinder, is this repairable Camera functions normally in auto mode but not able to focus in manual mode due to viewfinder being out of focus, if camera tilted back

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