[rollei_list] Re: Lens Flare
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <rollei_list@xxxxxxxxxxxxx>
- Date: Thu, 17 Apr 2008 19:42:11 -0700
----- Original Message -----
From: "ERoustom" <eroustom@xxxxxxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Thursday, April 17, 2008 6:59 PM
Subject: [rollei_list] Re: Lens Flare
It couldn't have been a sign from the Pope - it was Easter
Morning, but right after a Protestant service.
I just remembered I've seen that shape before, but not as
pronounced.
http://www.flickr.com/photos/elroustom/497278543/
When it dries I'll scan it.
E.
The halo and elipse appear to be ghost images of either
the porch light or the light on the driveway post. I am not
sure what is causing the cross but it looks like diffraction
from something. Its typical to get star shapes from the
edges of the iris or even the shutter blades if they are not
completely open. Since this star seems to have four points
it is probably coming from something with four edges. I
don't know what that could be but you can probably find it
by placing a screen, ground glass or whatever over the film
gate and looking at a small bright light like a pencil
flashlight. Move the light around and you will probably be
able to duplicate the effect. Then remove the ground glass
and look directly at or into the lens to see what is causing
the reflections.
I thought at first it might be the image of stuck
shutter blades. Check the shutter, I think most rolleis have
five bladed shutters. If there are only four its the shutter
and something is keeping the blades from opening all the
way. I suspect its something else.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
---
Rollei List
- Post to rollei_list@xxxxxxxxxxxxx
- Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe'
in the subject field OR by logging into www.freelists.org
- Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with
'unsubscribe' in the subject field OR by logging into www.freelists.org
- Online, searchable archives are available at
//www.freelists.org/archives/rollei_list
Other related posts:
