Quote:
Originally Posted by bojan
As Phil says, every lens will have CA, more or less..
Have a look at results I obtained with Canon 100mm F2.8.
It is OK at F4, but anything wider and longitudinal CA is there.
http://www.iceinspace.com.au/forum/s...ad.php?t=58629
That is why we are using mounts with tracking. |
Laziness on my part for not wanting to use a mount - consider this my attempt at "Grab and Go" astrophotography.
Jeremy.