Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: I can't  seem to remove the cone at the end. Any suggestions?
Document: it works, I can inspect the inside of a piston cylinder through the spark plug hole, but I can't calibrate the scale. The software files are all .exe & .rar. Good buy for the price
But the cone comes off easily enough and with a little practice you can actually get very close. I am going to upload some pictures.But this is a great introductory microscope and being able to plug into the computer and have the image blown up quite large you can find some interesting things.
I use a Mac and didn't have to install any software, I just used it through photo booth and it recognized it automatically. Functionally, I can't believe how well it works. I'm a bit creeped out by my skin at 200x....My friend bought one and couldn't figure out how to use it on his PC and is returning it. If you are still in the dark ages and have a PC, beware of buying this.
It is fun to use. You increase magnification by moving the scope closer, then focus by turning the part near the wire. There is no zoom as some have claimed. I was hoping to make videos of watch workings to post on youtube, but after a short time of recording, a bunch of errors appear on the screen. Also the videos I did make are not appearing where the software said it was. I can't find them.
The four-star is for the scope itself, which is surprisingly impressive. However, since there's no way to determine orientation, I had to knock off a star. Many times I thought I had it oriented correctly only to realize I was off by 180 degrees.Trying to use the stand is futile. The wire is much too heavy and topples the device. Worse, you can't even tighten the clip enough to hold the scope securely.
its good. it works, 200x for sure, BUT you have a twist zoomey thing at the end, and you have to manually focus by moving closer or further. for the price you cant go wrong, and you can see if any lice have laid eggs in dogs hair easily, as well as determine type of worms if they become infected
directions a not very clear on the function of the program but it worked for what I needed. I would recommend it.
Not bad for the price. The manual focus is a pain. I will now be purchasing something that has auto-focus.
I probably wouldn't buy this again. Image quality is just okay, it's hard to hold still enough to get a decent shot, the included tripod is a joke.
I was considering getting a larger desktop USB microscope since my daughter seemed fascinated with the small hand held 40x one I had.
Answer: The cone slides right off the end no problem... just pull it off.