All Forum Comments
Comment by adwb posted on macro lens 5omm prime or 35-70 zoom at 08/10/2009 - 13:28
I have bought a reversing ring and by removing the lenses from a damaged teleconverter made an extension tube. Now both work well for macro/ micro
with the reverse ring and tube but my question is would a prime 50 mm either 1.7 or 2.8 which seem to be plenty full and cheap using the above kit be any better than holding the 30-70 at 50mm?
Alistair
Comment by adwb posted on macro lens 5omm prime or 35-70 zoom at 07/10/2009 - 14:29
Alistair
Comment by adwb posted on K10D+ 16-50 - underexposure with Slave Flash at 03/09/2009 - 10:58
Alistair
Comment by adwb posted on K10D+ 16-50 - underexposure with Slave Flash at 03/09/2009 - 09:21
the problem is all I get is black photos.
using pentax k 10 set to f5.6 100 iso, flash on, take photo all is ok.
as a above and as per Xtra flash instructions place xtra flash at 2 meter from the subject , take picture camera flash and xtra flash both go off and the result is a nearly black image.
I am obviously missing the point somewhere can some explain what I am doing wrong?
I have tried setting the speed to 1/125 but get the same result.
tried x [=1/180] flash setting same result
why does the image look as if it is vastly underexposed? I thought to much light will look washed out / horribly overexposed is that not correct?
I am not using red eye reduction which would cause early slave flash or in place so dark the pre-flash goes off to set auto focus. I have tried on manual focus as well, but unless the slave is a long way away , further than the supplied chart suggests then I get these very underexposed image.
Alistair
Comment by adwb posted on K10D+ 16-50 - underexposure with Slave Flash at 03/09/2009 - 00:53
Alistair
Comment by adwb posted on k10 d multi exposure question re ghosting images at 29/08/2009 - 20:33
So if I take the first shot with for example me ij it then the subsequent ones with out me it will not ghost? is that correct?
but then how do I get the "twin" effect that i have seen? in one image there was a boy who moved several times running which froze him in differnt position on the image but he was fully exposed and the back ground was also as well,?
Alistair
Never Play Leapfrog with a Unicorn.
Comment by adwb posted on k10 d multi exposure question re ghosting images at 29/08/2009 - 16:41
I have read articles re water effects that I understand and using the feature to take several short exposures rather than one long one and the benefits of doing this but how to get a pair of me in a photo that is not ghostly eludes me.
Alistair
K10d and K-m and way to many lenses and gadgets.
Comment by adwb posted on k10 d multi exposure question re ghosting images at 29/08/2009 - 16:05
similarly I see little or realy no difference in the quality of a zoomed image or at 100% between unsharpened raw and jpeg images of any size or compression, am i blind or just missing something?
I can post images if any wants to suggest a couple of settings to use to set up some comparisons? can we post raw files?
Alistair
Comment by adwb posted on raw vs jpeg at 06/08/2009 - 14:37


perhaps I should start a new thread, this is now going off the original question somewhat?
Alistair