Graflex.org Forum Index Graflex.org
Get help with your Graflex questions here
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Focusing problems

 
Post new topic   Reply to topic    Graflex.org Forum Index -> Reflex Help
View previous topic :: View next topic  
Author Message
tim brakemeier



Joined: 08 Jun 2007
Posts: 7
Location: Eichwalde/Germany

PostPosted: Sat Jan 05, 2008 4:13 pm    Post subject: Focusing problems Reply with quote

Hi,
I got a Graflex R.B. Super D 4x5 and I got a focussing problem with it.
When I do testshots everything seems to be allright. With every lens I try (I got a 180mm 3,5 Xenar, a 210mm 3,5 Trioplan and the original 190mm 5,6 Ektar) the focussing seems to work without problems.
When I do a shooting - I use the camera for Glamour Outdoor - most of the pictures are out of focus and it seems its getting worse with every shooting.
By the way: No - I don´t get nervous having a nice girl in front of the camera and forget to focus about it
The only reason for my problem I can imagine is the position of the mirror. If the mirror won´t go back completly to its "look throug the camera" position the focussing can´t be OK - right?
I realized that the mirror in the "down" position has a little room left to go up and down when i press the mirror setting lever. Is that allright? If not, how can I fix it?
Thanks for help
Tim
Back to top
View user's profile Send private message Send e-mail
45PSS



Joined: 28 Sep 2001
Posts: 3233
Location: Mid Peninsula, Ca.

PostPosted: Sat Jan 05, 2008 11:57 pm    Post subject: Reply with quote

1. Does the camera have the standard Graflex back or has it been modified to a Graflok?
2. What kind of film/holder are you using for a Test shot?
3. What kind of film/holders are you using for the standard shoot?
4. The reflex mirror frame can only move so much. If it were not locking properly then the shutter would not wind or trip properly.
5. With a normal shooting film and holder attached set the camera up on a tripod and shoot down a fence with the lens wide open and focus on a easy to reckongize point 8 to 10 feet from the film plane. Process this sheet and see how far off the focus is and which direction from the film plane the focus is off. You can tape a tape measure to a wall and focus on a meter marker as an alternative. Have the camera at a 22 to 45 dregee angle to the wall or fence.
6. Most likely cause of the focus error is the ground glass is out of position due to back modification or ground glass not properly reinstalled after removal for cleaning.
_________________
The best camera ever made is the one that YOU enjoy using and produces the image quality that satifies YOU.
Back to top
View user's profile Send private message Visit poster's website
tim brakemeier



Joined: 08 Jun 2007
Posts: 7
Location: Eichwalde/Germany

PostPosted: Mon Jan 07, 2008 2:14 pm    Post subject: Reply with quote

Hi,
- the camera has the original graflex back which needs the slotted holders
- i got a grafmatik holder as well as normal filmholders for two films
- the test shots were made with the normal holders
- the pictures on shooting were made mit the normal holders and the grafmatik
- I´ll do the test in the way you advised in the next days
Tim
Back to top
View user's profile Send private message Send e-mail
Display posts from previous:   
Post new topic   Reply to topic    Graflex.org Forum Index -> Reflex Help All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group