View Single Post
  #14  
Old 18-06-2012, 02:47 PM
dannat's Avatar
dannat (Daniel)
daniel

dannat is offline
 
Join Date: Sep 2007
Location: Macedon shire, Australia
Posts: 3,426
there was an article in Sky & Telescope i read at the ASV library - think it may have been the April issue - there was an article about a home made tracker - other pints the author made were

#tracking will avoid rotation
#he recomedned exp bracketing eg 1/30 - so you get either side of this - depends on camera how many it will do (author used a D700)
#he recommended continuous shooting, so you can just hold the button down or remote & let it fire away at will
#the author used a TV scope as lens , either a 76 or 85 i can't remember
#he was careful to recommend to guard against vibration, either form the scope or whatever else is around - he said it was a big threat to great img's
Reply With Quote