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womble

Joined: 11th September 2008

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womble
I have found that the degree of error varies from lens to lens as well as the f-stop you are using. Given that my usual method of shooting with modern lenses is: shoot, check histogram, adjust EV comp, re-shoot, using manual lenses is almost the same with just the "get it in the ballpark" step at the start of a batch of images. I very rarely find the K20D's metering spot on first time with any lens, old or new.

K.

Comment by womble posted on PK mount lenses at 01/05/2011 - 17:58

womble
Anvh wrote:
That's quite a bit of flare... did you use a hood?
Sure did. K.

Comment by womble posted on A little bit of flare at 01/05/2011 - 12:29

womble
I was taking photos at our "street party" on Friday with my DA* 50-135mm. Unfortunately, the winning line for the three-legged race was into the sun.

Comment Image


Comment Image


Even the much vaunted DA* can suffer on occasion...

K.

Comment by womble posted on A little bit of flare at 01/05/2011 - 11:54

womble
The K/M series lenses would be fine if the metering with them on the K10D/K20D wasn't bordering on useless. Although the A series lenses are more convenient they do feel plasticy in comparison. I've never handled an A* series lens to compare, though. Anyone have an A* 85mm I could 'borrow' for a few years?

K.

Comment by womble posted on PK mount lenses at 01/05/2011 - 11:04

womble
bforbes wrote:
Dangermouse wrote:
You can also use Av mode, but the lens will be held at the largest aperture regardless of what you set with the aperture ring.
I don't follow that bit? to use Av you have to set the aperture ring on "A" and set the aperture via the camera.
Dangermouse is talking about K and M series lenses.

K.

Comment by womble posted on PK mount lenses at 30/04/2011 - 21:57

womble
Mike-P wrote:
womble wrote:
My squirrel picture was taken with one of those. I am enjoying it quite a bit. K.
Had I been able to get pictures that good out of the lens I wouldn't have sold it to you
I'll take that as a complement! I've thrown a lot of images away however...

Comment by womble posted on Pentax "K" 300mm F4 at 30/04/2011 - 21:15

womble
Yes it is an old chestnut but here goes...

Somewhere buried in your menus there is an option to "allow use of aperture ring". Turn that to 'on'.

If you are using the original K-mount lenses (the so-called 'K' series lenses) or the M series ones, you have to use manual exposure mode. If you are using A series or later lenses, i.e., those with an A on the aperture ring, all modes are available.

Assuming you are using K/M series, you press the green button to shut the lens down to your selected aperture momentarily and take a light reading.

With the K10D and K20D this will usually be wrong and over-expose. With the K-7 I believe the results are more reliable but as I have never used one I do not know.

I find the easiest thing to do is make sure the preview image you get when you take the picture is overlain with the histogram. Adjust the exposure until you have no blown highlights. I usually take several shots of a nearby piece of grass to get the exposure in the right ballpark and then go from there.

Remember to set the focus to manual.

That is it, I think.... have fun. I use old manual glass 75% of the time.

K.

Comment by womble posted on PK mount lenses at 30/04/2011 - 21:09

womble
I thought it was a pleasingly positive review. Well the conclusions were, I didn't read the rest of it. I don't usually read camera reviews as I have some paint to watch drying somewhere...

K.

Comment by womble posted on AP compare K5 sensor at 30/04/2011 - 17:51

womble
I'm glad I can sit at home and look at your photos rather than be in that melee. As pretty as the girls are, the crowd would be a living hell to me. I have zero interest in cars as well!

K.

Comment by womble posted on Shanghai Auto Show - The Models at 30/04/2011 - 09:26

womble
If I didn't already have one I'd buy it. A lovely piece of glass. K.

Comment by womble posted on FS: Pentax K 135mm f2.5 at 29/04/2011 - 11:03

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