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johnriley

Joined: 19th March 2002

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johnriley
Read the instructions and then practice, practice, practice....

Have fun!

Comment by johnriley posted on K20D, ordered one at 15/11/2008 - 12:13

johnriley
There are restrictions with old lenses, but that may not be a problem depending upon what you have in mind.

If you are talking about Pentax lenses that's good as you won't get any compatitbility issues. Other makes should be examined carefully to ensure there are no extra bits (such as the extra pin on Ricoh K mount lenses) that could cause a problem.

1. Use the Pentax Adapter K for your screw mount lenses and then you will still get infinity focusing. You can expose manually or using aperture priority without too much hassle.

2. The focal length does not change (a 50mm lens is always a 50mm lens) but the smaller sensor means only the centre of the field of view is used. So the effect of using a 50mm will be similar to using a 75mm lens on a film camera. The DOF will be as for a 50mm lens.

3. Manual focusing may not be a problem, depending on your eyesight. I find it OK, others need to change the focusing screen. I'd just see how you get on. The essential thing is to adjust the eyepiece dioptre using a blank even toned scene - sdjust till the guide lines in the viewfinder are at their sharpest. When making this adjustment it is best if you do not have a scene that can be focused on (blank sky is good) as the eye adapts very quickly and can distort the result.

4. Wishfull thinking? Of course... But the new K-m is not far off.

Comment by johnriley posted on Old lenses on new gear at 15/11/2008 - 12:11

johnriley
Quote:
I have found lots of posts, but i can't open any of them.
Is there a problem? If so, can you be more specific?

Comment by johnriley posted on It could just be my eyes.. at 15/11/2008 - 12:02

johnriley
They are the same.

Comment by johnriley posted on Samsung D-XENOGON 10~17mm at 15/11/2008 - 09:10

johnriley
Yes, please do post some pictures, we'd love to see them!

Comment by johnriley posted on Lens or new camera advice appreciated.. at 15/11/2008 - 08:27

johnriley
Perhaps a good idea now to get back to the point. Hopefully, Amanda will have picked up some good points amongst the comments on this thread.

Comment by johnriley posted on Lens or new camera advice appreciated.. at 14/11/2008 - 22:10

johnriley
The category is just a general thing to assist searches, so just put in the closest one, but don't agonise over it.

Didn't you resize when you uploaded to Photobucket to make the image 800 pixels wide for the forum? In Photoshop just go to Image>Image Size and put in the number of pixels you want as, say, 1000 on the longest side. That's it, just save it as a JPEG and you're ready to upload.

Comment by johnriley posted on Entering the weekly competition at 14/11/2008 - 17:37

johnriley
The software will resize the image for you, within reason....so no need to stick to 800 pixels any more. Try 1000 or 1500 because obviously the larger the image the longer it will take to upload.

Comment by johnriley posted on Entering the weekly competition at 14/11/2008 - 17:25

johnriley
It's actually simpler. All you need to do is click on the name of the current competition to bring the page up. Then click "Enter Competition" and fill in the details to upload straight from your computer to the forum.

If you can upload a picture to Photobucket and link it into the forum then the competition process will be a doddle!

Good luck with your entry.

Comment by johnriley posted on Entering the weekly competition at 14/11/2008 - 17:23

johnriley
Have you checked the Pentax website to see if the make of card you are using is one recommended?

Sometimes there are incompatibilities. Fuji cameras were particularly off in this respect.

Comment by johnriley posted on K20D fails to write to SD card? at 14/11/2008 - 17:15

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