Astrophotography Handbook for DSLR Cameras
Astrophotography Handbook for DSLR Cameras Michael K. Miller Oak Ridge, TN Quick Start Guide The three most common forms of wide-angle astrophotography with DSLR cameras adjust red values DLSR cameras Lens Modes ISO, Post as necessary for RAW preferred NR noise reduction aperture, processing proper exposure shutter speed Star trails Full frame better Wide angle M mode, ISO 400, Combine Point N for circles 16-50mm Manual focus Widest f-stop, frames in Remote shutter e.g., 24 mm at in 30 min.- 2h Photoshop release (hold or lock (16 mm for a crop in multiple 20 -30s down release) Liveview, (see slide 30) sensor camera) shots (camera on CL or intervalometer set NR OFF continuous low), Star trails on 20s (LONG) or BULB setting for exposure time intervalometer Stars/Milky Full frame better Wide angle M mode, ISO 400-1600, Normal Way Remote shutter 16-50mm Manual focus Widest f-stop, release e.g., 24 mm at in 10-20s max. (16 mm for a crop Liveview, Single shot, S Stars sensor camera) NR ON The moon Crop factor Longest focal Spot meter, ISO 200, Normal cameras better length: Spot focus, f/5.6, Remote shutter 400-500mm Auto focus ~1/1000s, Moon release on moon Single shot, S The explanations for these settings are discussed in the following slides Tripod is required for all these celestial objects; remove lens filters, use lens hoods 2 Types of Astrophotography Wide-field, or landscape, astrophotography - photographs of the night sky revealing the stars and galaxies, including the Milky Way, that are acquired with DSLR and other cameras with wide-angle lenses with focal lengths shorter than roughly 35 mm.
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