Re: High ISO - Kx further inquiries

2010-02-02 Thread Igor Roshchin

Bruce, I share your point of view.

I found a similar situation with photographing swing dances.
For a dance shot, f/4 is about as shallow DOF as you want to go.
I find 17-70/4 is very suitable for this. (It also gives a little bit
of the longer end, - which is occasionally handy, but you loose on
the wide end)

Taking photographs at tango events is different. 
On one hand, some of them do not allow flash, - on another hand,
you get more slow moments in the dance, when they hit a line,
especially in performances.
One is forced (and occasionally can) go to larger apertures, and
goes for higher ISOs.
Even in those cases, the shallow DOF at 1.4 can be a problem.
(IIRC, when I tried my FA50/1.4 I was getting better results 
closing it to 1.7 - but by no means it was a good, well defined test.)

However, I decided that for the majority of cases, fast (and visually
confirmed) multi-segment AF (of K-7) is more important to me than
the higher ISO. Hence, between K-7 and K-x, I chose K-7 for now.

I am tempted to try Nikon D200 or something like that at the next
tango event, if I would be able to get my hands on one.

Igor

Mon Feb 1 20:54:11 CST 2010
Bruce Dayton wrote:

I have shot this venue the last two years so I know what I am up
against.  The only way to shoot it is with a wide to short tele zoom
- basically the DA* 16-50 works extremely well.  Since I have it and
used it last year, that is the lens of choice.  For this particular
use, AF will probably not be used much.  These are team competitions
where each member of the team does the same basic thing one after the
other.  So you would have 10 kids vault one after the other.
Literally seconds apart.  So you pre-focus on a spot and fire as each
one passes through.

I do get the run of the floor so I can move around, hence little need
for a long lens.  But for other basketball shots and evening soccer,
continuous AF would be important.

Several have mentioned a superfast lens like 1.2 - 1.8 - the issue
with that aside from no zoom capability is that I don't want to shoot
with so little DOF - f4 is about as fast as I want to shoot.

-- 
Best regards,
Bruce



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Re: High ISO - Kx further inquiries

2010-02-01 Thread Bob Sullivan
Faster lenses are good and the 77/1.8 limited is still for sale.
Either Pentax 85/1.4 is rare to find.
And the A*135/1.8 is made of 'unobtanium'.
Regards,  Bob S.

On Mon, Feb 1, 2010 at 12:15 AM, Sandy Harris sandyinch...@gmail.com wrote:
 On 2/1/10, Bruce Dayton bkday...@daytonphoto.com wrote:

 Very much appreciated.  If there is enough difference I may spring
  for a K-x.

 Could you get a faster lens instead? The 77/1.8 limited and
 the 85/1.4 are both reportedly excellent. Would they be long
 enough? If manual focus is OK, perhaps the A * 135/1.8?

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Re: High ISO - Kx further inquiries

2010-02-01 Thread P. J. Alling

and Cotty is responsible for making an 85mm A* f1.4 into an M...


On 2/1/2010 10:54 AM, Bob Sullivan wrote:

Faster lenses are good and the 77/1.8 limited is still for sale.
Either Pentax 85/1.4 is rare to find.
And the A*135/1.8 is made of 'unobtanium'.
Regards,  Bob S.

On Mon, Feb 1, 2010 at 12:15 AM, Sandy Harrissandyinch...@gmail.com  wrote:
   

On 2/1/10, Bruce Daytonbkday...@daytonphoto.com  wrote:

 

Very much appreciated.  If there is enough difference I may spring
  for a K-x.
   

Could you get a faster lens instead? The 77/1.8 limited and
the 85/1.4 are both reportedly excellent. Would they be long
enough? If manual focus is OK, perhaps the A * 135/1.8?

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Re: High ISO - Kx further inquiries

2010-02-01 Thread Stan Halpin
A50/1.2  Crop as needed.

stan

On Feb 1, 2010, at 12:15 AM, Sandy Harris wrote:

 On 2/1/10, Bruce Dayton bkday...@daytonphoto.com wrote:
 
 Very much appreciated.  If there is enough difference I may spring
 for a K-x.
 
 Could you get a faster lens instead? The 77/1.8 limited and
 the 85/1.4 are both reportedly excellent. Would they be long
 enough? If manual focus is OK, perhaps the A * 135/1.8?
 
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Re: High ISO - Kx further inquiries

2010-02-01 Thread paul stenquist
I'm guessing that Stan is being facetious. You really need a zoom to shoot most 
sporting events. You don't want to crop a 50mm shot to 200mm FOV. 
I thought the shots Bruce posted with the K20D were relatively noise free. I'd 
worry about a Kx in terms of write speed and autofocus control. You want to be 
able to choose your focus point when necessary, and a full buffer is not a good 
thing when shooting action.
Paul
On Feb 1, 2010, at 9:32 PM, Stan Halpin wrote:

 A50/1.2  Crop as needed.
 
 stan
 
 On Feb 1, 2010, at 12:15 AM, Sandy Harris wrote:
 
 On 2/1/10, Bruce Dayton bkday...@daytonphoto.com wrote:
 
 Very much appreciated.  If there is enough difference I may spring
 for a K-x.
 
 Could you get a faster lens instead? The 77/1.8 limited and
 the 85/1.4 are both reportedly excellent. Would they be long
 enough? If manual focus is OK, perhaps the A * 135/1.8?
 
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Re: High ISO - Kx further inquiries

2010-02-01 Thread paul stenquist
I'm guessing that Stan is being facetious. You really need a zoom to shoot most 
sporting events. You don't want to crop a 50mm shot to 200mm FOV. 
I thought the shots Bruce posted with the K20D were relatively noise free. I'd 
worry about a Kx in terms of write speed and autofocus control. You want to be 
able to choose your focus point when necessary, and a full buffer is not a good 
thing when shooting action.
Paul
On Feb 1, 2010, at 9:32 PM, Stan Halpin wrote:

 A50/1.2  Crop as needed.
 
 stan
 
 On Feb 1, 2010, at 12:15 AM, Sandy Harris wrote:
 
 On 2/1/10, Bruce Dayton bkday...@daytonphoto.com wrote:
 
 Very much appreciated.  If there is enough difference I may spring
 for a K-x.
 
 Could you get a faster lens instead? The 77/1.8 limited and
 the 85/1.4 are both reportedly excellent. Would they be long
 enough? If manual focus is OK, perhaps the A * 135/1.8?
 
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 PDML@pdml.net
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Re: High ISO - Kx further inquiries

2010-02-01 Thread Bruce Dayton
I have shot this venue the last two years so I know what I am up
against.  The only way to shoot it is with a wide to short tele zoom
- basically the DA* 16-50 works extremely well.  Since I have it and
used it last year, that is the lens of choice.  For this particular
use, AF will probably not be used much.  These are team competitions
where each member of the team does the same basic thing one after the
other.  So you would have 10 kids vault one after the other.
Literally seconds apart.  So you pre-focus on a spot and fire as each
one passes through.

I do get the run of the floor so I can move around, hence little need
for a long lens.  But for other basketball shots and evening soccer,
continuous AF would be important.

Several have mentioned a superfast lens like 1.2 - 1.8 - the issue
with that aside from no zoom capability is that I don't want to shoot
with so little DOF - f4 is about as fast as I want to shoot.

-- 
Best regards,
Bruce


Monday, February 1, 2010, 6:40:25 PM, you wrote:

ps I'm guessing that Stan is being facetious. You really need a zoom
ps to shoot most sporting events. You don't want to crop a 50mm shot to 200mm 
FOV.
ps I thought the shots Bruce posted with the K20D were relatively
ps noise free. I'd worry about a Kx in terms of write speed and
ps autofocus control. You want to be able to choose your focus point
ps when necessary, and a full buffer is not a good thing when shooting action.
ps Paul
ps On Feb 1, 2010, at 9:32 PM, Stan Halpin wrote:

 A50/1.2  Crop as needed.
 
 stan
 
 On Feb 1, 2010, at 12:15 AM, Sandy Harris wrote:
 
 On 2/1/10, Bruce Dayton bkday...@daytonphoto.com wrote:
 
 Very much appreciated.  If there is enough difference I may spring
 for a K-x.
 
 Could you get a faster lens instead? The 77/1.8 limited and
 the 85/1.4 are both reportedly excellent. Would they be long
 enough? If manual focus is OK, perhaps the A * 135/1.8?
 
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 PDML@pdml.net
 http://pdml.net/mailman/listinfo/pdml_pdml.net
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 follow the directions.
 
 
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 follow the directions.





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Re: High ISO - Kx further inquiries

2010-02-01 Thread Stan Halpin
I was at least half serious, but I did not consider the DOF issue.
However, just in terms of quality of image, I wonder if an image shot at 1.2 
and then cropped to, say, 25% of the original, might not be better than one 
shot at a higher ISO, uncropped. Am thinking 1.2 at 400 or 800ISO vs. 4.0 at 
3200 or 6400. Mea culpa mea culpa mea culpa if my f-stop math is off...
I don't wonder enough to go try it out, just an idle thought.

stan

On Feb 1, 2010, at 8:40 PM, paul stenquist wrote:

 I'm guessing that Stan is being facetious. You really need a zoom to shoot 
 most sporting events. You don't want to crop a 50mm shot to 200mm FOV. 
 I thought the shots Bruce posted with the K20D were relatively noise free. 
 I'd worry about a Kx in terms of write speed and autofocus control. You want 
 to be able to choose your focus point when necessary, and a full buffer is 
 not a good thing when shooting action.
 Paul
 On Feb 1, 2010, at 9:32 PM, Stan Halpin wrote:
 
 A50/1.2  Crop as needed.
 
 stan
 
 On Feb 1, 2010, at 12:15 AM, Sandy Harris wrote:
 
 On 2/1/10, Bruce Dayton bkday...@daytonphoto.com wrote:
 
 Very much appreciated.  If there is enough difference I may spring
 for a K-x.
 
 Could you get a faster lens instead? The 77/1.8 limited and
 the 85/1.4 are both reportedly excellent. Would they be long
 enough? If manual focus is OK, perhaps the A * 135/1.8?
 


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High ISO - Kx further inquiries

2010-01-31 Thread Bruce Dayton
At my daughter's game yesterday, I took shots in the gym feeling the
lighting will be somewhat representative of what I will face for the
gymnastic meet (I have shot this meet the last two years).

Here is one shot:
Pentax K20D, DA* 50-135/2.8 @ 108mm
ISO 3200, 1/200 @ f/2.8
http://www.daytonphoto.com/PAW/imgp3057-1.htm

Here is 100% crop:
http://www.daytonphoto.com/PAW/imgp3057-2.htm

As you cans see, ISO is about as high as the K20D will do and lens is
wide open.  Shutter speed is a bit low, especially for gymnastics.

So, would the K-x improve things?  Could I get better quality at ISO
6400 with it?

Thanks for your thoughts and ideas.

-- 
Best regards,
Bruce



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Re: High ISO - Kx further inquiries

2010-01-31 Thread Rob Studdert
On 01/02/2010, Bruce Dayton bkday...@daytonphoto.com wrote:
 At my daughter's game yesterday, I took shots in the gym feeling the
 lighting will be somewhat representative of what I will face for the
 gymnastic meet (I have shot this meet the last two years).

 Here is one shot:
 Pentax K20D, DA* 50-135/2.8 @ 108mm
 ISO 3200, 1/200 @ f/2.8
 http://www.daytonphoto.com/PAW/imgp3057-1.htm

 Here is 100% crop:
 http://www.daytonphoto.com/PAW/imgp3057-2.htm

 As you cans see, ISO is about as high as the K20D will do and lens is
 wide open.  Shutter speed is a bit low, especially for gymnastics.

 So, would the K-x improve things?  Could I get better quality at ISO
 6400 with it?

I'll try to do some comparative shots using my K20D and K-X with the
same lens later tonight.

-- 
Rob Studdert (Digital  Image Studio)
Tel: +61-418-166-870 UTC +10 Hours
Gmail, eBay, Skype, Twitter, Facebook, Picasa: distudio

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Re: High ISO - Kx further inquiries

2010-01-31 Thread Bruce Dayton
Very much appreciated.  If there is enough difference I may spring
for a K-x.

-- 
Bruce


Sunday, January 31, 2010, 9:36:20 PM, you wrote:

RS On 01/02/2010, Bruce Dayton bkday...@daytonphoto.com wrote:
 At my daughter's game yesterday, I took shots in the gym feeling the
 lighting will be somewhat representative of what I will face for the
 gymnastic meet (I have shot this meet the last two years).

 Here is one shot:
 Pentax K20D, DA* 50-135/2.8 @ 108mm
 ISO 3200, 1/200 @ f/2.8
 http://www.daytonphoto.com/PAW/imgp3057-1.htm

 Here is 100% crop:
 http://www.daytonphoto.com/PAW/imgp3057-2.htm

 As you cans see, ISO is about as high as the K20D will do and lens is
 wide open.  Shutter speed is a bit low, especially for gymnastics.

 So, would the K-x improve things?  Could I get better quality at ISO
 6400 with it?

RS I'll try to do some comparative shots using my K20D and K-X with the
RS same lens later tonight.

RS -- 
RS Rob Studdert (Digital  Image Studio)
RS Tel: +61-418-166-870 UTC +10 Hours
RS Gmail, eBay, Skype, Twitter, Facebook, Picasa: distudio




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Re: High ISO - Kx further inquiries

2010-01-31 Thread Sandy Harris
On 2/1/10, Bruce Dayton bkday...@daytonphoto.com wrote:

 Very much appreciated.  If there is enough difference I may spring
  for a K-x.

Could you get a faster lens instead? The 77/1.8 limited and
the 85/1.4 are both reportedly excellent. Would they be long
enough? If manual focus is OK, perhaps the A * 135/1.8?

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Re: High ISO - Kx further inquiries

2010-01-31 Thread Larry Colen


On Jan 31, 2010, at 9:38 PM, Bruce Dayton wrote:


Very much appreciated.  If there is enough difference I may spring
for a K-x.



I was curious about this and started to do some research.  It seems  
that buy.com has a K-X through beach for $549:

http://www.buy.com/listing/sellerlistings.asp?sku=212515822buy=1

But beach has it for $649
http://www.beachcamera.com/shop/searchresults.aspx?cti=scs=truekwd=pentax+k-xx=0y=0

I must admit that I'm more than a little curious about how the red or  
the white K-Xs look.


It seems that if you get to the point of putting it in your cart at  
amazon, they are $548.



--
Larry Colen l...@red4est.com sent from i4est





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Re: High ISO - Kx further inquiries

2010-01-31 Thread Bruce Dayton
I need the zoom capability.  As well, I don't want that shallow of
DOF - I'd like to be shooting around f4 if possible.  I have shot
this two years now and it will be critical to have the wide zoom DA*
16-50.  So I have the lens I want, just this year they are now going
with no flash scenario.  Last two years, I could use my 540FGZ and
things were fine.  Seems that technology has forced it's way upon me.
Because the capability to shoot sports without flash (high ISO
bodies) is now here, the coaches are now asking it be done that way.

Thanks for the thoughts, though.

-- 
Best regards,
Bruce


Sunday, January 31, 2010, 10:15:54 PM, you wrote:

SH On 2/1/10, Bruce Dayton bkday...@daytonphoto.com wrote:

 Very much appreciated.  If there is enough difference I may spring
  for a K-x.

SH Could you get a faster lens instead? The 77/1.8 limited and
SH the 85/1.4 are both reportedly excellent. Would they be long
SH enough? If manual focus is OK, perhaps the A * 135/1.8?




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