October 25, 2014, 05:22:43 PM

Author Topic: When Zeiss Glass does not warm your heart  (Read 6672 times)

drjlo

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When Zeiss Glass does not warm your heart
« on: March 12, 2014, 10:59:34 PM »
is when you see it right before root canal  :'(


IMG_20140312_132615a by drjlo1, on Flickr

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When Zeiss Glass does not warm your heart
« on: March 12, 2014, 10:59:34 PM »

verysimplejason

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Re: When Zeiss Glass does not warm your heart
« Reply #1 on: March 13, 2014, 12:01:27 AM »
Don't remind me... 3 days of pain even while sleeping... grrrrrrrrrrr!!!

CarlTN

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Re: When Zeiss Glass does not warm your heart
« Reply #2 on: March 13, 2014, 03:56:15 AM »
I can deal with physical discomfort...I just can't deal with how it hits my wallet!!  I've lost count of my root canals, I think I've had 5 in my life!

Rienzphotoz

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Re: When Zeiss Glass does not warm your heart
« Reply #3 on: March 13, 2014, 04:48:32 AM »
 ;D ;D ;D Good one! ... when I read the title I thought you bought a ZEISS lens that did not live up to its name.
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drjlo

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Re: When Zeiss Glass does not warm your heart
« Reply #4 on: March 13, 2014, 11:27:53 AM »
;D ;D ;D Good one! ... when I read the title I thought you bought a ZEISS lens that did not live up to its name.

At least my endodontist uses top-shelf equipment  :)

As far as Zeiss, I did just return the Sony/Zeiss FE 55 mm f/1.8 when I returned the A7R.  The lens was sharp as heck, but I did have one issue with it.  It's minimum focus distance was a pretty far 50 cm with magnification of only 0.14x, which was a hair too little for close-ups or near-macro's ("ring shot"). 

I guess I'm just spoiled by my EF-M 22 mm, which can do 1:2(!) macro at 15 cm and even by my 35 L which can do 30 cm at 0.18x, which was a big difference in practice. 

Rienzphotoz

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Re: When Zeiss Glass does not warm your heart
« Reply #5 on: March 13, 2014, 12:28:38 PM »
As far as Zeiss, I did just return the Sony/Zeiss FE 55 mm f/1.8 when I returned the A7R.  The lens was sharp as heck, but I did have one issue with it.  It's minimum focus distance was a pretty far 50 cm with magnification of only 0.14x, which was a hair too little for close-ups or near-macro's ("ring shot"). 
That reminds me to ask you, I hear a few people say that the FE 55 f/1.8 has a bit of vignetting wide open, is that correct? if yes, was it too much or acceptable?
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drjlo

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Re: When Zeiss Glass does not warm your heart
« Reply #6 on: March 13, 2014, 01:49:49 PM »
FE 55mm has -1.6ev vignetting, which is same as Zeiss Otus 55mm per DXO, somewhat heavy for a $4K lens but not too bad in real life shooting.  First photo is FE55 at f/1.8 without ACR vignetting correction, second photo with vignetting corrected.


FE55 no vig corr by drjlo1, on Flickr


FE55 vig corrected by drjlo1, on Flickr

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Re: When Zeiss Glass does not warm your heart
« Reply #6 on: March 13, 2014, 01:49:49 PM »

Rienzphotoz

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Re: When Zeiss Glass does not warm your heart
« Reply #7 on: March 13, 2014, 01:56:02 PM »
FE 55mm has -1.6ev vignetting, which is same as Zeiss Otus 55mm per DXO, somewhat heavy for a $4K lens but not too bad in real life shooting.  First photo is FE55 at f/1.8 without ACR vignetting correction, second photo with vignetting corrected.


FE55 no vig corr by drjlo1, on Flickr


FE55 vig corrected by drjlo1, on Flickr
Thanks ... much appreciated.
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neuroanatomist

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Re: When Zeiss Glass does not warm your heart
« Reply #8 on: March 13, 2014, 03:09:31 PM »
When Zeiss Glass does warm the heart…or at least, the cultured human cardiac myocytes in the lab this afternoon.    ;D
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thepancakeman

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Re: When Zeiss Glass does not warm your heart
« Reply #9 on: March 14, 2014, 02:56:33 PM »
When Zeiss Glass does warm the heart…or at least, the cultured human cardiac myocytes in the lab this afternoon.    ;D

Hahaha!

dhachey77

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Re: When Zeiss Glass does not warm your heart
« Reply #10 on: March 14, 2014, 06:19:20 PM »
When Zeiss Glass does warm the heart…or at least, the cultured human cardiac myocytes in the lab this afternoon.    ;D

Wow, that's one expensive microscope. 

ScottyP

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Re: When Zeiss Glass does not warm your heart
« Reply #11 on: March 14, 2014, 09:02:55 PM »
It no doubt rendered the colors of your root canal procedure in a certain "warmth" without being artificial, and made the surgical area really "pop" in a way that cannot be measured or even expressed in words.  I'll bet that intangible "something extra" made all the pain and expense of the root canal well worth it.  ;)
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Rienzphotoz

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Re: When Zeiss Glass does not warm your heart
« Reply #12 on: March 15, 2014, 03:15:07 AM »
It no doubt rendered the colors of your root canal procedure in a certain "warmth" without being artificial, and made the surgical area really "pop" in a way that cannot be measured or even expressed in words.  I'll bet that intangible "something extra" made all the pain and expense of the root canal well worth it.  ;)
;D ;D ;D Good one!
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Re: When Zeiss Glass does not warm your heart
« Reply #12 on: March 15, 2014, 03:15:07 AM »

hediz

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Re: When Zeiss Glass does not warm your heart
« Reply #13 on: March 15, 2014, 06:07:12 AM »
When Zeiss Glass does warm the heart…or at least, the cultured human cardiac myocytes in the lab this afternoon.    ;D

Really awesome stuff
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old-pr-pix

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Re: When Zeiss Glass does not warm your heart
« Reply #14 on: March 15, 2014, 10:52:19 AM »

"When Zeiss Glass does warm the heart…or at least, the cultured human cardiac myocytes in the lab this afternoon.   "
So, being curious I did a search on Zeiss LSM 510 META.  The Zeiss site sent me to a page for the LSM 710!  Can I conclude that the LSM 710 is a newer model than the LSM 510?  It would do both my mind and wallet good to learn that even Neuro has to deal with older generation equipment from time to time! ;)
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Re: When Zeiss Glass does not warm your heart
« Reply #14 on: March 15, 2014, 10:52:19 AM »