How can i fix my camera lens?

Either is OK. Unless they have been exposed to high humidity, then disassembly will help stabilize the whole rig, and not keep moisture sealed inside the camera.

Not sure what you mean by "inner lens". If you mean automatic lens cover, then see this: ...

Never cotton balls. I'm starting a war on microfiber cloth. It holds all the gunk you wipe off and puts it back on the next time you use it. It absorbs the oils from your fingers and puts tha...

You can try using a filter wrench, cheap and readily available, they should be able to hold the front element mount steady whilst you turn the lens hood. ...

Here is a link from google ...

1.. d an inverse relationship: the bigger the f-stop, the less the light if f is halved (22 ==> 11), the amount of light is multiplied by 4 2. b [(y/3) + (3/y)] / (3y)^-1 = [(y^2 + 3...

conversion lenes IMO are expensive and give mediocre results. Put that money towards a DSLR.

I don't think the other people even bothered to read your description of what you're looking for. The only SLR with a live view LCD that articulates like you desire is the Olympus E-3,...