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johnriley

Joined: 19th March 2002

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johnriley
When SR is off on K20D and later bodies the sensor is clamped into position, not free moving.

On a tripod, I would suggest this means the highest possible accuracy and therefore a good idea where work of the highest precision is required.

Comment by johnriley posted on Built in shake reduction. Does this really works? at 21/07/2011 - 11:23

johnriley
Pentax serial numbers are a mystery as they mixed them up. It's possible this was done to conceal actual production numbers, but you can find different models in the same number sequences.

Comment by johnriley posted on Information at 21/07/2011 - 11:20

johnriley
Forgot to add that the only way people reliably involve in courses (I know there are exceptions) is if they pay for it. Then they tend to attend every stage.

Comment by johnriley posted on Classes? at 21/07/2011 - 09:37

johnriley
Alan, you've hit on a problem that made us stop trying to run courses at ADAPS. Someone wants a subject, they don't turn up for that part of it. People join half way through so you have to start again. And so on. Add to that a situation where the originator might just disappear from the forum whenever they feel so inclined and it would likely be a bit of a disaster.

Overall, in terms of logistics not really a very good idea.

Comment by johnriley posted on Classes? at 21/07/2011 - 09:33

johnriley
Quote:
I don't post in the PU gallery as I can't take the photos down if I so choose.
If you want to delete an image there's a delete button. If you can't delete after any time limit then a Moderator can do it for you.

Comment by johnriley posted on Where Are Members Images at 21/07/2011 - 09:30

johnriley
John has been reading this. It depends whether a chat forum is an appropriate place for a course, whether the course material is up to scratch and lots of other considerations as well. It could become a very bloated thread that covered something like this and it needs some proper consideration.

Comment by johnriley posted on Classes? at 21/07/2011 - 08:32

johnriley
Conversely, many members do have excellent images on the PU Gallery or in the Your Photos section of the forum.

It's up to the individual where they post and they are encouraged to share with us here. Hopefully everyone realises they are welcome to post images.

Comment by johnriley posted on Where Are Members Images at 21/07/2011 - 08:23

johnriley
It's not a requirement that anybody makes a further comment, although I know what you are saying. You guys could be having a dig at someone with no justification whatsoever, you have no idea why any particular person has made no post.

Thios thread is not turning into a war zone so don't worry about it, it's just a discussion.

Comment by johnriley posted on Photo Critique at 21/07/2011 - 08:21

johnriley
The only kind of problems that matter in this context - less sharp images.

All the manufacturers can't be wrong and it doesn't hurt us to believe them.

Comment by johnriley posted on Built in shake reduction. Does this really works? at 20/07/2011 - 23:58

johnriley
All manufacturers recommend turning SR off if a tripod is used. The system searches for movement and if there is none it can cause problems.

Using the 2 second self timer alos switches off SR, locks up the mirror and is ideal for macro work on a tripod.

Comment by johnriley posted on Built in shake reduction. Does this really works? at 20/07/2011 - 23:48

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