The truth is that you can see quite a lot with a 40x telescope. As such, you can see quite a lot. The truth is that the more magnification that the telescope has, the more detail that you will be able to see. However, you have to realize that the more magnification that you want, the more expensive the model will be. If you are not looking for a very high-powered telescope, you will be able to see quite a lot with a model that has a magnification of 40x.