First you have a SLR and a stable tripod. My device: Nikon D800+ Tamron 24-70, Beno if19 It is best to have a shutter release, or adjust the camera to self-timer mode and delay shooting for a few seconds, which prevents camera shake when the shutter is pressed. . parameter: Use the wide-angle end of the lens to adjust the aperture of the camera to the maximum value, the sensitivity is 1000-1600, the shutter is 15-30s, and adjust according to the actual situation. Focus: The golden top building has light. You can use the auto focus mode to focus on the building. After the pair is turned, it will be adjusted to the manual focus mode. Or adjust the lens focus to infinity for testing. Galaxy: The Milky Way in the summer is visible to the naked eye, so you can shoot the Milky Way by pointing the camera at the Milky Way. Meteor: Because the meteor is swiftly fast, it is impossible to wait for the meteor to cross and then press the shutter. Therefore, you need to take a few more shots to capture. If there is a meteor during the exposure, you can take it. If there is no light in the foreground, you can use the external flash to fill the light.