Yes, moisture can be harmful to telescope lenses in cold weather. The presence of moisture can lead to fogging or condensation on the lenses, which can affect the clarity and performance of the telescope.
Moisture can cause fogging or condensation on the lenses, which can reduce the amount of light that passes through and affect the clarity of the image. It can also lead to the growth of mold or bacteria, which can permanently damage the lenses.
It is not recommended to use your telescope in cold, wet conditions as the moisture can be harmful to the lenses. If you must use your telescope in these conditions, be sure to properly protect and dry off the lenses afterward.
To prevent moisture from damaging your telescope lenses in cold weather, it is important to properly store your telescope in a dry place when not in use. You can also use a dew shield or moisture-absorbing materials to protect the lenses while in use.
If your telescope lenses get wet in cold weather, it is important to dry them off immediately to prevent any damage. Use a clean, dry cloth to gently wipe off the lenses. If there is condensation inside the telescope, let it dry out completely before using it again.