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01-29-2011, 06:15 AM   #16
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QuoteOriginally posted by planedriver Quote
I' m seriously considering the 150-500 Sigma (thanks for the airshow SpecialK). My only fear is that Pentax sooner or later comes out with something longer than the DA300.
That could be later, or never. If that time comes, you just sell the Sigma :-)

01-29-2011, 09:29 AM   #17
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QuoteOriginally posted by planedriver Quote
Just curious is there anybody out there who have the K-5 and any long lens like the DA300 or Sigmas reaching 500mm? I'm about to upgrade from the da55-300 and need advice. Currently looking at the DA300 f4 but also looking at the Sigma 150-500.

Thanks Andras
Have you thought about a FA600? I believe they are still available for order from Pentax Japan albeit pricey.

QuoteOriginally posted by PePe Quote
I have a preference to stay close to the native sensitivity of the sensor, and only with great reluctance crank the ISO- setting much above that. With the K 10 I considered ISO 800 to be the absolutely highest usable setting. With the K 7 I have occassionally used ISO 1600, both of these requiring a noise reduction run with Topaz DeNoise.

Right now I am processing pictures from my Indian trip. In some cases I just had to go up to ISO 3200 with the K 5. Sometimes I find it difficult to believe my eyes! The image quality and lack of noise is just amazing!

However, being able to use high ISO´s does not eliminate the need for fast shutter speeds. Freezing motion is a typical situation were you have to go for fast shutter speeds. Here lens speed often becomes significant. Of course being able to use high ISO´s gives you more leeway.

I've found the same thing PePe...it's amazing to see the quality of shots at higher ISO. I apologize if everyone's seen this pic from another thread re high ISO, but it seems relevant here too. This shot is taken with my K5 and A*600, F13 @ISO 3200. I did run it through Denoise....



I've only gone out once with the A*1200 so I only have a few mediocre shots at this range. High ISO really helps with a lens that starts at F8 wide open. Here is one at ISO1600...

01-29-2011, 01:18 PM   #18
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QuoteOriginally posted by smc Quote
Have you thought about a FA600? I believe they are still available for order from Pentax Japan albeit pricey.




I've found the same thing PePe...it's amazing to see the quality of shots at higher ISO. I apologize if everyone's seen this pic from another thread re high ISO, but it seems relevant here too. This shot is taken with my K5 and A*600, F13 @ISO 3200. I did run it through Denoise....



I've only gone out once with the A*1200 so I only have a few mediocre shots at this range. High ISO really helps with a lens that starts at F8 wide open. Here is one at ISO1600...
I think the FA600 must be in an even higher price range as the also mentioned Sigma500 4.5...too much too pay just for a "boy's toy". For me something similar (also in price) as the Canon 400 5.6 would be great.

high iso with the K-5 is unbelievable:

iso3200 without any noise reduction:



Andras
01-29-2011, 02:25 PM   #19
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I don't have the K5 yet, but my last three years of owning the Sigma 50-500 have made it my most trusted and used outdoor lens. Assuming the 150-500 is the same IQ, I would not hesitate one second to purchase it. My Bigma has brought me more pleasure than you can imagine, and although I have owned some nice 300MM Glass, the extra 200MM makes all the difference when shooting wildlife. You can almost never get too close, and the 500MM will usually get you close enough. Great color, no PF, very decent IQ wide open, and at any range.

It will do 50MM...


Or it will do 500MM
[IMG] [/IMG]

Or...anywhere in between. I would like to have the HSM OS version, but what I have is already great for me.
Best Regards!

01-30-2011, 02:52 AM   #20
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QuoteOriginally posted by Rupert Quote
I don't have the K5 yet, but my last three years of owning the Sigma 50-500 have made it my most trusted and used outdoor lens. Assuming the 150-500 is the same IQ, I would not hesitate one second to purchase it. My Bigma has brought me more pleasure than you can imagine, and although I have owned some nice 300MM Glass, the extra 200MM makes all the difference when shooting wildlife. You can almost never get too close, and the 500MM will usually get you close enough. Great color, no PF, very decent IQ wide open, and at any range.

It will do 50MM...


Or it will do 500MM
[/url] [/IMG]

Or...anywhere in between. I would like to have the HSM OS version, but what I have is already great for me.
Best Regards!
Rupert thanks those pictures are very very good and really makes me start to think..

Andras
01-31-2011, 07:19 AM   #21
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I own a K5 and a 150-500 OS HSM, the combination is nice. The Sigma is a little slow but with good light is a great lens. Also since the K5 is so good at HI ISO, you can just bump the ISO to get a nice exposoure.
It's big and heavy lens but you can get to 500mm!!! I do have some pics of the K5 and SIgma combo on flickr.

Flickr: AQuiros_727's Photostream

Saludos desde Costa Rica
01-31-2011, 01:33 PM   #22
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I have both the previous non OS Bigma and a DA*300mm. Both can produce great pictures. The 300 is easier to haul around but you give up the reach. With a Kenko 1.5x teleconverter, The 300 gains back some focal length on the Bigma but AF is pretty poor with the TC.
DA*300mm
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01-31-2011, 01:39 PM   #23
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And the Bigma

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01-31-2011, 01:45 PM   #24
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QuoteOriginally posted by CRPhoto Quote
I own a K5 and a 150-500 OS HSM, the combination is nice. The Sigma is a little slow but with good light is a great lens. Also since the K5 is so good at HI ISO, you can just bump the ISO to get a nice exposoure.
It's big and heavy lens but you can get to 500mm!!! I do have some pics of the K5 and SIgma combo on flickr.

Flickr: AQuiros_727's Photostream

Saludos desde Costa Rica
Thank You! See You on Flickr!

QuoteOriginally posted by GaryH Quote
I have both the previous non OS Bigma and a DA*300mm. Both can produce great pictures. The 300 is easier to haul around but you give up the reach. With a Kenko 1.5x teleconverter, The 300 gains back some focal length on the Bigma but AF is pretty poor with the TC.
DA*300mm
QuoteOriginally posted by GaryH Quote
And the Bigma
Thanks Gary...looks like the 500 reaching Sigmas zooms are sort of unique in terms availability and affordability...and as more and more proves it..in terms of usability. Thanks again!

Andras
01-31-2011, 02:52 PM   #25
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As you can see, you can get good results with both lenses. The Bigma is heavier and more cumbersome to use. However, you get used to it. I rarely use the Bigma without a monopod but the 300 is handy enough to carry some and do BIF pictures handheld.
Just wish our weather would stabilize a little so I can get outdoors in some sunshine.
01-31-2011, 03:17 PM   #26
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Gary,

Can't remember how long I've tried to get a good Cardinal shot with no success. I can see my 400mm is just too short and it takes a 500mm.

Tom G
01-31-2011, 03:45 PM   #27
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Andras, let us know when you make your decision. I've been looking for one of these big zooms too, and right now I can't go much further than the 120-400. The only drawback to the 120-400 is that it is not a DG lens, but I don't think that should matter too much. I've seen your photo's and they are great, so I'd like to know what you decide on.

Pxpaulx, do you have some photo's we can look at? Now that it's been a few days, what are your current thoughts on the 120-400?

Thanks,

Bill
01-31-2011, 06:13 PM   #28
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QuoteOriginally posted by 8540tomg Quote
Gary,

Can't remember how long I've tried to get a good Cardinal shot with no success. I can see my 400mm is just too short and it takes a 500mm.

Tom G
My set up is a tripod looking out my bedroom window. The fence post I put feed on is about 10 feet from the lens, Just over its minimum focus distance.

BTW, The DA300mm picture was cropped
Here is the uncropped version
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02-11-2011, 11:28 AM   #29
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I found a Sigma 400 5.6 second hand on the internet..bought it today (really rare here in Hungary and still cheap)..non APO AF..I knew it won't produce crisp sharp images wide open but it is no problem to stop it down as the K-5's high iso is capable to compensate it as it does with the da55-300. The reason I jumped into this was a shooting where I realized I need a quality zoom as well. So if I can be happy with this Sigma for a while I can think about the da60-250 as my next lens..(maybe?..maybe not:-))

I only took about 10 pictures so far to test it:

K-5 iso800 f8:





Andras

Last edited by planedriver; 02-11-2011 at 01:52 PM.
02-12-2011, 02:12 AM   #30
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overcast this morning.. still can't resist testing..so far my impression is that this lens is in the same leauge in terms of IQ as my da55-300..of course haven't got the chance to test in bright sunshine on larger birds. AF is fast it resembles to the AF in my F zooms:

k-5 iso1250 f8 400mm 1/250




100%:




Andras

Last edited by planedriver; 02-12-2011 at 02:24 AM.
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