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Archive 2012 · D800 & 85 1.4 G info needed

  
 
coresare
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p.2 #1 · D800 & 85 1.4 G info needed


Question. My 85 1.4G is also soft at 1.4 and f/2.0 Only at f/4.0 do I feel it's sharp. When someone earlier said bring it in for calibration .. would this be futile if it's still not very sharp using Live View focusing / tripod / MUP / delay?


Jul 30, 2012 at 12:13 PM
Guari
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p.2 #2 · D800 & 85 1.4 G info needed


coresare wrote:
Question. My 85 1.4G is also soft at 1.4 and f/2.0 Only at f/4.0 do I feel it's sharp. When someone earlier said bring it in for calibration .. would this be futile if it's still not very sharp using Live View focusing / tripod / MUP / delay?


it should be spot on sharp with liveview... if it isn't then you should send it to nikon to have it recalibrated...



Jul 30, 2012 at 02:17 PM
vovkinson
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p.2 #3 · D800 & 85 1.4 G info needed


Would any of you guys who have 85G & D800 be so kind to upload (or providing link to) some 100% crop shots taken with 85 1.4 at F 1.4?
I sent my copy back to the dealer for replacement, but I really want to see what this lens is capable of and how it handles D800 36mP sensor wide open.
All I can read here is "mine is sharper than yours", but it's better to see some samples. Please?




Jul 30, 2012 at 02:26 PM
Paul_K
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p.2 #4 · D800 & 85 1.4 G info needed


I took some pictures with the older version 1.4/85mm D on a D800 this weekend

http://www.pbase.com/paul_k/20120729_summer_darkness

and already was amazed at its sharpness with the aperture closed down to just 1.6

(please note the theme of the meeting was Gothic, hence the style of clothing and postprocessing)

The reputation of the G version is even better, so personally I would think you might have a bad copy.

My 1.4/85mm does need an AF finetuning correction of -5 due to backfocus, but that's IMO just a minor issue



Jul 30, 2012 at 02:27 PM
vovkinson
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p.2 #5 · D800 & 85 1.4 G info needed


Thanks Paul_K!


Jul 30, 2012 at 03:40 PM
Kittyk
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p.2 #6 · D800 & 85 1.4 G info needed


coresare wrote:
Question. My 85 1.4G is also soft at 1.4 and f/2.0 Only at f/4.0 do I feel it's sharp. When someone earlier said bring it in for calibration .. would this be futile if it's still not very sharp using Live View focusing / tripod / MUP / delay?


that is just example of recent poor nikon QC, send it in. If it is sharp with liveview but not during AF then it is probably miss-focusing and micro adjust helps.



Jul 30, 2012 at 03:42 PM
mark1958
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p.2 #7 · D800 & 85 1.4 G info needed


The best way to see if it is an issue with the glass or inconsistencies with focus is to set the camera to live view and set the camera so the AF button on the back is what you are using to set focus... or of course manual focus in live view.


Jul 30, 2012 at 04:21 PM
coresare
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p.2 #8 · D800 & 85 1.4 G info needed


Kittyk wrote:
that is just example of recent poor nikon QC, send it in. If it is sharp with liveview but not during AF then it is probably miss-focusing and micro adjust helps.


Oh no, it's not very sharp with live view either lol. Here is a series. Top is live view focus and bottom is viewfinder focus. D800E + 85 f/1.4 on a tripod, mup, 3 second delay, and no filters on front of lens. About 5-6 feet away. 100% crops. I know opening it wide open will make it softer, but I hear a lot of ppl say "TACK SHARP wide open" all the time. I'd like to see some people post a series like this of their tack sharp 85 1.4G's so I can see for myself.

Is my lens within spec? Personally I think f/2.8 is acceptable. f/2.0 below is a bit soft.




Jul 30, 2012 at 05:57 PM
vovkinson
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p.2 #9 · D800 & 85 1.4 G info needed


IMO it's usable from 2.8 and up. 1.4 looks unacceptable. Thanks for posting coresare!


Jul 30, 2012 at 08:02 PM
Tundraman
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p.2 #10 · D800 & 85 1.4 G info needed


Smart move returning it, thats a bad copy. Good it is sharp live view, but many use the view finder for there needs.

If it doesn't work using both methods, it is a bad copy either the d800 or 85g, or in need of slight MA



Jul 30, 2012 at 08:21 PM
coresare
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p.2 #11 · D800 & 85 1.4 G info needed


vovkinson: was yours basically the same as mine?


Jul 30, 2012 at 09:34 PM
vovkinson
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p.2 #12 · D800 & 85 1.4 G info needed


yes, coresare. Mine and yours are like two drops of water.
I also sent my D800 back to the dealer . Was not 100% sure what to blame, the lens or the cam.
Staying with my M9 for awhile. Need some time to recover from this experience.

What's interesting that nobody has posted any samples that looked better than yours and mine...Strange...
Maybe, for some people is pretty normal, as for me...well, If can't use the 85g at 1.4 then what did I paid for? For the lens being sharp starting at 2.8?



Jul 31, 2012 at 03:52 PM
coresare
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p.2 #13 · D800 & 85 1.4 G info needed


Vov lol I feel the same way...but yah I wish some ppl who have sharp at 1.4 would post a similar comparison test as I have done.


Jul 31, 2012 at 04:30 PM
Kittyk
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p.2 #14 · D800 & 85 1.4 G info needed


i am too lazy to pull some 85G comparison, but here is from 35G which is about half sharp as 85G is wide open (still fully fine for me)

OOC fine jpeg, not sharpened. you can imagine how better it can be from RAW and with little USM

focus landed probably little in front of little girl's hairs. if you are lucky and get that last half centimeter right (it was MFed from viewfinder) it is just as good as it needs to be.

http://www.fotografstuttgartblog.de/pubpics/FAA07670000.jpg



Aug 01, 2012 at 05:47 AM
vovkinson
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p.2 #15 · D800 & 85 1.4 G info needed


Nice shot, Kittyk! The 35G is pretty good so is the photographer



Aug 01, 2012 at 06:14 AM
Kittyk
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p.2 #16 · D800 & 85 1.4 G info needed


thank you!


Aug 01, 2012 at 06:44 AM
coresare
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p.2 #17 · D800 & 85 1.4 G info needed


Thanks kitty


Aug 01, 2012 at 01:33 PM
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