K-5 and Sigma 50-500 OS

Siluet23 · 02-14-2013, 11:51 AM - **33 Likes**

Hello!
I would like to ask if there are people here who use k-5, k-5 or k-2 5 2s with Sigma 50-500 OS. I'm interested in the speed of focus throughout the range of k-5.
Currently shooting with a 150-500 WildLife and I am very happy but I am wondering if the focus is in the 50-500 faster and by how much ..
I would appreciate if photographers who shoot with a 50-500 OS to show video

Thanks in advance .. here are some of my results obtained with the k-5 and 150-500

You can see more pictures here

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jpyykonen · 02-14-2013, 12:03 PM - **1 Like**

I know nothing about those lenses but just came by to say your photos are stunning!

panoguy · 02-14-2013, 12:29 PM

No kidding, jpyykonen. Unbelievable photos! Easily some of the best I've seen from the K-5 and Sigma 150-500. You should definitely submit some to the Pentaxforums Exclusive Gallery.

I should have my 50-500 OS in the next week or so, and then I can compare the focus speed (and other things) to my 150-500 OS. In the meanwhile, I can definitely say your images aren't suffering from using the 150-500!

Heck, contact Sigma and show them your work. They might send you a 50-500 OS for free!

johnyates · 02-14-2013, 12:58 PM

WOW. That's one impressive set of pictures!

Tanzer · 02-14-2013, 01:03 PM

I'm not really into birding, but I have to agree, these are really, really nice!

normhead · 02-14-2013, 01:05 PM

Excellent images.... what is it you're thinking could be better?

Siluet23 · 02-14-2013, 01:08 PM

Thank you!

I am new to this forum and still learning it

I am very pleased with both the PENTAX bodies who've used .. and the Sigma 150-500. I think for professional use this system is more than adequate.I have photographed all systems and lenses, and certainly what I get from my system enough for me.
I do not think I need to change 150-500 with 50-500. I just want to see how fast its focus from edge to edge. I have used Sigma 50-500 Nikon observations but I what about PENTAX K-5. I prefer the slow tricks for super fast.

Whether PENTAX enough for shooting birds with Sigma 150-500 lens?

this is a result which could not achieve even 1DMk4 and 100-400

http://www.pictureshack.us/images/4286IMGP8304web.jpg

Siluet23 · 02-14-2013, 01:13 PM

normhead: Only like 50 to150 mm because sometimes I need them
Quality of my sistem is more than enough

kent · 02-14-2013, 02:14 PM

Wow, dude, this is amazing. My hat is off, all pictures are great!

Couscousdelight · 02-15-2013, 01:12 AM

Wow, just... wow !
Amazing shots.

sb in ak · 02-15-2013, 01:34 AM

Can't answer the questions.....but....Sweet shots!! Love the action with all of those. I've been eying the Sigma 150-500 for awhile myself for the reach.

elpolodiablo · 02-15-2013, 03:04 AM

Love those shots, I don't have either of those lens, but if the range between 50-150 is what you want , why not get a K-30 w/ Pentax DA 55-300 for less than the price of the Sigma 50-500 OS HSM?

GordonZA · 02-15-2013, 03:17 AM

Stunning, very very well done!!!

lightbulb · 02-15-2013, 05:05 AM

The best I have seen!

Stickl · 02-15-2013, 05:29 AM

The first is great!

02-14-2013, 12:03 PM - 1 Like	#2
jpyykonen Senior Member Join Date: Jan 2007 Location: Tampere, Finland Posts: 191	I know nothing about those lenses but just came by to say your photos are stunning! Last edited by jpyykonen; 02-14-2013 at 12:33 PM.

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02-14-2013, 12:29 PM	#3
panoguy Pentaxian Join Date: Sep 2007 Location: Washington, D.C. Photos: Gallery \| Albums Posts: 3,327	No kidding, jpyykonen. Unbelievable photos! Easily some of the best I've seen from the K-5 and Sigma 150-500. You should definitely submit some to the Pentaxforums Exclusive Gallery. I should have my 50-500 OS in the next week or so, and then I can compare the focus speed (and other things) to my 150-500 OS. In the meanwhile, I can definitely say your images aren't suffering from using the 150-500! Heck, contact Sigma and show them your work. They might send you a 50-500 OS for free!

02-14-2013, 12:58 PM	#4
johnyates Pentaxian Join Date: Aug 2011 Location: Saskatoon, SK Photos: Albums Posts: 1,345	WOW. That's one impressive set of pictures!

02-14-2013, 01:03 PM	#5
Tanzer Veteran Member Join Date: Mar 2012 Location: Perrineville, NJ Posts: 1,375	I'm not really into birding, but I have to agree, these are really, really nice!

02-14-2013, 01:05 PM	#6
normhead Pentaxian Join Date: Jun 2007 Location: Near Algonquin Park Photos: Gallery \| Albums Posts: 40,451	Excellent images.... what is it you're thinking could be better?

02-14-2013, 01:08 PM	#7
Siluet23 Inactive Account Join Date: Feb 2013 Posts: 6 Original Poster	Thank you! I am new to this forum and still learning it I am very pleased with both the PENTAX bodies who've used .. and the Sigma 150-500. I think for professional use this system is more than adequate.I have photographed all systems and lenses, and certainly what I get from my system enough for me. I do not think I need to change 150-500 with 50-500. I just want to see how fast its focus from edge to edge. I have used Sigma 50-500 Nikon observations but I what about PENTAX K-5. I prefer the slow tricks for super fast. Whether PENTAX enough for shooting birds with Sigma 150-500 lens? this is a result which could not achieve even 1DMk4 and 100-400 http://www.pictureshack.us/images/4286IMGP8304web.jpg

02-14-2013, 01:13 PM	#8
Siluet23 Inactive Account Join Date: Feb 2013 Posts: 6 Original Poster	normhead: Only like 50 to150 mm because sometimes I need them Quality of my sistem is more than enough

02-14-2013, 02:14 PM	#9
kent Veteran Member Join Date: May 2009 Location: Lithuania Photos: Gallery Posts: 344	Wow, dude, this is amazing. My hat is off, all pictures are great!

02-15-2013, 01:12 AM	#10
Couscousdelight Veteran Member Join Date: Dec 2010 Location: Frog-eaters country Photos: Gallery Posts: 357	Wow, just... wow ! Amazing shots.

02-15-2013, 01:34 AM	#11
sb in ak Veteran Member Join Date: Jun 2012 Location: Omaha, NE Photos: Gallery \| Albums Posts: 612	Can't answer the questions.....but....Sweet shots!! Love the action with all of those. I've been eying the Sigma 150-500 for awhile myself for the reach.

02-15-2013, 03:04 AM	#12
elpolodiablo Veteran Member Join Date: Dec 2009 Location: Sydney, Australia Photos: Gallery Posts: 1,637	Love those shots, I don't have either of those lens, but if the range between 50-150 is what you want , why not get a K-30 w/ Pentax DA 55-300 for less than the price of the Sigma 50-500 OS HSM?

02-15-2013, 03:17 AM	#13
GordonZA Veteran Member Join Date: Jan 2010 Location: Planet Earth Photos: Albums Posts: 351	Stunning, very very well done!!!

02-15-2013, 05:05 AM	#14
lightbulb Veteran Member Join Date: Jan 2012 Posts: 691	The best I have seen!

02-15-2013, 05:29 AM	#15
Stickl Senior Member Join Date: Mar 2012 Location: Oulu Posts: 271	The first is great!