Gear Help Desk: Collimation, Mounts, Eyepieces, Power

Use this thread for troubleshooting hardware:

• Collimation doubts
• Shaky mounts
• Eyepiece choices
• Finder alignment
• Power supply problems
• Dew and humidity issues
• Missing adapters or strange noises

Photos help. So do model names, city, and what you already tried.