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tybeck · 05-22-2008, 08:28 PM

A little quiz. Pick the photo that came from which lens. Both shows were taken at the f/4.0 1/50. One lens it a Pentax A 100mm /4 Macro and the other a Vivitar 105mm /2.5 Macro. No PP, straight JPEGs from a K10D. Tripod and remote used. Click to enlarge. My basil plant died, so sage will have to do.

#1

#2

Peter Zack · 05-22-2008, 09:11 PM

viv 105 is #2

DJey · 05-22-2008, 09:23 PM

same here.. Viv is #2..

k100d · 05-22-2008, 09:36 PM

can't tell...
the focus points are slightly different
for example the yellow flower bud is blurry in the second

cmv · 05-25-2008, 02:44 PM

I'll go with #1 is Vivitar 105mm but you forgot to set the white balance to tungsten

. Without 100% crops, identical focus and proper white balance it's hard to tell. Even then, I might be at a loss!

TomInJax · 05-25-2008, 04:16 PM

Judging from the background size, my guess would be the Viv 105 was used to take #1. Otherwise, I will agree with cmv. Without 100% crops - it is almost impossible to tell which is which.

Buddha Jones · 05-25-2008, 04:41 PM

VIV is #1 for me.

lbam · 05-25-2008, 04:54 PM

My guess is its neither, and maybe a Tamron 70-300 or something...

Peter Zack · 05-25-2008, 05:48 PM

ok, time to award the prize...

Raybo · 05-25-2008, 11:36 PM

I don't think anyone can really tell................not me at least!

Both are really good lenses and the compairasion is not fair, GIVE IT UP!

Ray

ftpaddict · 05-26-2008, 01:22 AM

Vivitar is #1? (no pun intended)

lbam · 05-26-2008, 03:38 AM

Actually, that background looks a little too out of focus for my first guess...

Buddha Jones · 05-26-2008, 04:04 AM

I think homeslice forgot he made this post and we will be left here w/o an answer forever.

JMS · 05-27-2008, 09:28 AM

Viv is #2- it has a slightly warmer color tone.

Peter Zack · 05-27-2008, 09:47 AM

I'm changing my vote to, who cares?....He's been online and not provided the answer.

View Poll Results: Which picture is from which lens
#1 is from the Vivitar 105mm Macro	18	21.18%
#2 is from the Vivtar 105mm Macro	27	31.76%
Can't tell	10	11.76%
Who cares	30	35.29%
Voters: 85. You may not vote on this poll

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05-22-2008, 08:28 PM	#1
tybeck Veteran Member Join Date: Dec 2007 Location: San Francisco, CA Posts: 452	Guess that lens! A little quiz. Pick the photo that came from which lens. Both shows were taken at the f/4.0 1/50. One lens it a Pentax A 100mm /4 Macro and the other a Vivitar 105mm /2.5 Macro. No PP, straight JPEGs from a K10D. Tripod and remote used. Click to enlarge. My basil plant died, so sage will have to do. #1 #2

05-22-2008, 09:11 PM	#2
Peter Zack Pentaxian Moderator Emeritus Join Date: May 2007 Location: Edmonton Alberta, Canada Photos: Gallery \| Albums Posts: 10,643	viv 105 is #2

05-22-2008, 09:23 PM	#3
DJey Senior Member Join Date: Jan 2008 Location: Philippines Photos: Gallery \| Albums Posts: 284	same here.. Viv is #2..

05-22-2008, 09:36 PM	#4
k100d Veteran Member Join Date: Feb 2008 Location: Toronto Posts: 3,911	can't tell... the focus points are slightly different for example the yellow flower bud is blurry in the second

05-25-2008, 02:44 PM	#5
cmv Senior Member Join Date: Sep 2006 Location: Chicago, IL, USA Posts: 147	I'll go with #1 is Vivitar 105mm but you forgot to set the white balance to tungsten . Without 100% crops, identical focus and proper white balance it's hard to tell. Even then, I might be at a loss!

05-25-2008, 04:16 PM	#6
TomInJax Veteran Member Join Date: Dec 2007 Location: Jacksonville, FL Photos: Gallery Posts: 531	Judging from the background size, my guess would be the Viv 105 was used to take #1. Otherwise, I will agree with cmv. Without 100% crops - it is almost impossible to tell which is which.

05-25-2008, 04:41 PM	#7
Buddha Jones Veteran Member Join Date: Sep 2006 Location: Charlotte, NC Photos: Gallery Posts: 2,587	VIV is #1 for me.

05-25-2008, 04:54 PM	#8
lbam Veteran Member Join Date: May 2008 Location: Toronto Photos: Gallery Posts: 442	My guess is its neither, and maybe a Tamron 70-300 or something...

05-25-2008, 05:48 PM	#9
Peter Zack Pentaxian Moderator Emeritus Join Date: May 2007 Location: Edmonton Alberta, Canada Photos: Gallery \| Albums Posts: 10,643	ok, time to award the prize...

05-25-2008, 11:36 PM	#10
Raybo Veteran Member Join Date: Dec 2007 Posts: 872	I don't think anyone can really tell................not me at least! Both are really good lenses and the compairasion is not fair, GIVE IT UP! Ray

05-26-2008, 01:22 AM	#11
ftpaddict Veteran Member Join Date: Jan 2008 Location: Yurp Photos: Gallery Posts: 4,666	Vivitar is #1? (no pun intended)

05-26-2008, 03:38 AM	#12
lbam Veteran Member Join Date: May 2008 Location: Toronto Photos: Gallery Posts: 442	Actually, that background looks a little too out of focus for my first guess...

05-26-2008, 04:04 AM	#13
Buddha Jones Veteran Member Join Date: Sep 2006 Location: Charlotte, NC Photos: Gallery Posts: 2,587	I think homeslice forgot he made this post and we will be left here w/o an answer forever.

05-27-2008, 09:28 AM	#14
JMS Senior Member Join Date: Oct 2007 Location: Wisconsin Posts: 273	Viv is #2- it has a slightly warmer color tone.

05-27-2008, 09:47 AM	#15
Peter Zack Pentaxian Moderator Emeritus Join Date: May 2007 Location: Edmonton Alberta, Canada Photos: Gallery \| Albums Posts: 10,643	I'm changing my vote to, who cares?....He's been online and not provided the answer.

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