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03-15-2013, 05:58 PM   #1201
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Nice to see some shots from the lower part of the state. Mine were taken near Greenville.

03-15-2013, 07:24 PM   #1202
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Some really nice shots here lately of a huge variety!

I'll add some floorball to the list. It was a a long time since I shot it last time and I wasn't feeling top notch nor did I prepare and focus enough so I'm not really happy with the top pics nor the ratio.

A couple of goalie pics













I call this one "double the goalie but still a goal"!

03-18-2013, 06:58 AM   #1203
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Hi.

Here in Norway there is now a price difference between the K-5 and K-5II (both with the 18-135WR lens) of $450. Is the K-5II worth the extra price if I want to be able to do some sports/action photography (both indoor/outdoor sports & dogs running towards you etc)? I know there's a difference with the low light AF, but other than that? I might be able to prefocus (either AF and manually) to get some ok shots, right? Or is the K-5II a "must have" if I want to get significantly more keepers?

(I know there are various performance due to lenses etc, but if they had the same lens - ie. just the cheap DA 55-300)
03-18-2013, 08:12 AM   #1204
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QuoteOriginally posted by athorod Quote
Hi.

Here in Norway there is now a price difference between the K-5 and K-5II (both with the 18-135WR lens) of $450. Is the K-5II worth the extra price if I want to be able to do some sports/action photography (both indoor/outdoor sports & dogs running towards you etc)? I know there's a difference with the low light AF, but other than that? I might be able to prefocus (either AF and manually) to get some ok shots, right? Or is the K-5II a "must have" if I want to get significantly more keepers?

(I know there are various performance due to lenses etc, but if they had the same lens - ie. just the cheap DA 55-300)
Hmm, maybe I should just "man up" and make a decision already. Might as well go for the cheaper, seems like there are lots of rumors about a new camera on it's way too before too long. Will have a better reason to upgrade then if I get the cheaper one now I suppose. (Don't feel I can wait longer either, since spring is rumored to arrive eventually too, and would like a camera for that!)

Edit: Or get the K-5II w/18-55WR or 18-55WR+50-200WR OR even pay up and get the K-5II w/18-135WR...


Last edited by athorod; 03-18-2013 at 11:22 AM.
03-18-2013, 01:04 PM   #1205
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Original Poster
QuoteOriginally posted by athorod Quote
Hi.

Here in Norway there is now a price difference between the K-5 and K-5II (both with the 18-135WR lens) of $450. Is the K-5II worth the extra price if I want to be able to do some sports/action photography (both indoor/outdoor sports & dogs running towards you etc)? I know there's a difference with the low light AF, but other than that? I might be able to prefocus (either AF and manually) to get some ok shots, right? Or is the K-5II a "must have" if I want to get significantly more keepers?

(I know there are various performance due to lenses etc, but if they had the same lens - ie. just the cheap DA 55-300)
You will get the most out off the new AF-sensor with a lens that has an aperture of f2.8 or faster. There is some enhancement over K-5 with lenses that are not so fast, but probably the slow lenses with f5.6 aren't going to make the biggest difference.
03-19-2013, 07:36 PM   #1206
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First Game of the Season







We won handily despite missing three starters (one with a bad ankle, two in moot court competition.)
03-19-2013, 07:52 PM   #1207
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QuoteOriginally posted by dadipentak Quote





We won handily despite missing three starters (one with a bad ankle, two in moot court competition.)
Nice action shots. My daughter switched from la-cross to soccer, no more eye or mouth guards.
03-19-2013, 08:10 PM   #1208
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QuoteOriginally posted by Ex Finn. Quote
no more eye or mouth guards
That's certainly a plus from a photographic stand-point!

03-19-2013, 08:41 PM - 1 Like   #1209
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Here are a few (well, quite a few) from the woman's Navy Basketball Championship this past weekend in Annapolis. This was the Patriot League championship game which Navy dominated from the start. This championship win earned them a trip to the NCAA Tourney, they play #2 ranked Kentucky in the tourney coming up.

All shot with the K5 and Sigma 70~200 FLD OS - not the greatest of lighting in the arena, all shot at f/4 with ISO ranging from 800~5000. Metering was a pain because of the extreme brights and darks and couldn't overcome it with ev comp so used spot metering and bounced it off of the neutral floor with exposure lock to avoid blowing highlights.










































03-19-2013, 10:52 PM   #1210
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QuoteOriginally posted by joe.penn Quote
all shot at f/4 with ISO ranging from 800~5000. Metering was a pain because of the extreme brights and darks and couldn't overcome it with ev comp so used spot metering and bounced it off of the neutral floor with exposure lock to avoid blowing highlights.
Joe, if you shoot raw, this would have been an ideal opportunity to shoot semi-ISOlessly:
  1. Switch to M mode.
  2. Fix the ISO at 800.
  3. Spot exposure on the brightest important bit and ensure that you get sufficient shutter speed, with f/4 & ISO800, to reduce motion blur.
  4. Then shoot everything with these settings.
  5. Afterwards, in PP in your raw converter, apply 0-3 stops EV boost to set the rendered brightness level you want. As long as your initial shutter speed setting is correct, you should not have any blown highlights and no significant noise penalty. You can of course experiment with different tone response curves to get the best balance between the bright bits and dark bits, but this can all be done at your leisure during PP. As you apply PP "exposure" boost, you can see in the blinkies when an important highlight is approaching the blowout level, and fiddle with the TRC, to avoid clipping.

Remember that:
  1. The K-5 has low read noise, so there is less necessity to use analogue gain, after the sensor output, to overcome the ADC noise floor.
  2. Gain on the camera is digital above ISO1600.
  3. There is little SNR improvement in going above ISO800. My calculations show a 0.4 stops drop in SNR if shooting at ISO100 instead of ISO400, and the drop is about the same when shooting at ISO400 instead of ISO1600. https://www.pentaxforums.com/forums/pentax-k-5/162940-k5-vs-k7-dynamic-range.html#post1689551.
  4. Each stop increase in ISO produces an approx. 1 stop drop in DR, particularly at higher ISOs. See DR column here: Sensorgen.info data for Pentax K-5\
Dan.

Last edited by dosdan; 03-20-2013 at 01:06 PM.
03-20-2013, 12:51 AM   #1211
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QuoteOriginally posted by dosdan Quote
Joe, if you shoot raw, this would have been an ideal opportunity to shoot semi-ISOlessly:
Good points and technique. From experience, the DR drop-off rate up to even ISO 1600 does indeed seem pretty slow. I note DxO puts the K-5 low-light ISO IQ cross-over point at 1162, confirming that there is some sensible DR latitude above 800 ISO in there.
03-20-2013, 01:27 AM   #1212
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QuoteOriginally posted by rawr Quote
Good points and technique. From experience, the DR drop-off rate up to even ISO 1600 does indeed seem pretty slow. I note DxO puts the K-5 low-light ISO IQ cross-over point at 1162, confirming that there is some sensible DR latitude above 800 ISO in there.
The low-light score primarily comes for the SNR (18%) performance: min. 30dB SNR (18%) point. (In less-common cases, it can also come from the colour depth: min. 18-bit point, or the min. 9 stop DR point. These 3 criteria are logically ORed to determine the score.) The SNR (18%) is for the mid-tones, i.e. more related to the shot noise, not the dark shadows read noise floor used in the DR figures. The K-5 DR at measured ISO1162 is approx. 10.6 stops. The min. 9 stops criterion used in the low light score is not reached until after measured ISO2864.

Dan.

Last edited by dosdan; 03-20-2013 at 01:59 AM.
03-20-2013, 05:39 AM   #1213
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QuoteOriginally posted by dosdan Quote
The low-light score primarily comes for the SNR (18%) performance: min. 30dB SNR (18%) point.
Ah, of course. I got a bit tangled up there. My DxO is a bit rusty.
QuoteOriginally posted by dosdan Quote
The min. 9 stops criterion used in the low light score is not reached until after measured ISO2864.
That rings true. Lots of shadow pushing latitude is still there up to about 3200 ISO. Lightroom loves it.
03-20-2013, 11:43 PM   #1214
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Last competition of the season. Sigma 70-200 HSM II @ ISO3200 f3.5 1/250






03-21-2013, 12:56 PM   #1215
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Hi everybody, great pictures, but I would like to hear about some of your set ups, jpeg, raw, center focus etc - I just got a k5II and am having trouble getting it dialed in for sports, almost like my KX did a better job? Sounds wierd i know.....
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