Happy New Year! I hope you all have a prosperous new year to start off the new decade.
I took a few images with my DA 16-45 last night to see what I'd get. They're not really long exposures since there was a full moon out that limited the exposure times to a few minutes at the most. What surprised me was that there is a red circular ghost showing up in the images. At 16mm it's at the center, while at 45mm it's off to the right of center.
This first image was taken at ISO 200, 21mm, f 16 and 123.0 seconds.
This second was taken at ISO 400, 45mm, f 16 and 72 seconds. I used my K100DS for these shots.
No ghosts show up in the images taken during the day. The lens does have some back focussing though.
Any thoughts on what is causing the ghosting? The front element had a little bit of dust on it and the rear element looked normal as far as I can tell, no dust, scratches, smears etc., when I inspected the lens this morning.
Does Pentax honor the one year warranty when a lens is bought from an ebay dealer? It was listed as a new lens.