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Thread started 05 Feb 2010 (Friday) 20:14   
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zincozinco
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Yah thats cool, i know what you mean, cant remember my 100l doing it...

Post #4951, Feb 29, 2012 13:43:18


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tim
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zincozinco wrote in post #13991281external link
The weirdest thing is going on. I put the d700 on mode "a" with my nikkor 105 VR ( it also hsppened on my 85 pce) the aperture dont go below 3.2 and sometimes up to 4. I van turn the wheel all i want but never reaches 2.8, why is that. I tried eith different iso, jpg tiff nef etc etc. Has this happened to someone else?

Nikon reports the actual aperture, Canon reports what you told it to use. This is a physics thing, properties of light stuff, I don't really understand the details, but the closer you get the less light you get.

Post #4952, Feb 29, 2012 13:49:15 as a reply to zincozinco's post 5 minutes earlier.


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zincozinco
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tim wrote in post #13991427external link
Nikon reports the actual aperture, Canon reports what you told it to use. This is a physics thing, properties of light stuff, I don't really understand the details, but the closer you get the less light you get.

well if you dont, how will i, looking at your " call sign" :) :)

Post #4953, Feb 29, 2012 14:11:46


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KenjiS
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tim wrote in post #13991427external link
Nikon reports the actual aperture, Canon reports what you told it to use. This is a physics thing, properties of light stuff, I don't really understand the details, but the closer you get the less light you get.

I wish the Canon bodies reported that as well... I dont really understand why they dont

Post #4954, Feb 29, 2012 14:42:56


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dgrPhotos
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Another delay on the D4. Hope whatever it is it's specific to the D4. ;)

Post #4955, Feb 29, 2012 14:57:31




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monk3y
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tim wrote in post #13991427external link
Nikon reports the actual aperture, Canon reports what you told it to use. This is a physics thing, properties of light stuff, I don't really understand the details, but the closer you get the less light you get.

KenjiS wrote in post #13991832external link
I wish the Canon bodies reported that as well... I dont really understand why they dont

here's good explanation about it I think.. from Thom Hogan

I have news for you: all of the fixed focal length Micro-Nikkors aren't actually fixed focal length. In order to keep from being enormously long when focused at 1:1 magnification, Nikon (as well as many other macro makers) plays with the optical formula in order to keep from having an ever telescoping lens barrel. In macro work, you wouldn't want that, anyway,as a lens barrel that telescoped significantly to get to 1:1 would reduce working distance and potentially start hitting things in your scene at close working distances. Thus, at 1:1, this lens becomes about f/4.8 and does not extend even a millimeter. The aperture loss is actually a bit less dramatic at lower magnifications and the non-extension is very much welcome for macro use.

Post #4956, Feb 29, 2012 18:21:42


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jdizzle
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I'm not sure if this has been posted but, here's a ISO 12800 from the D4.

http://gizmodo.com ...eo-low-light-high-qualityexternal link

Post #4957, Feb 29, 2012 22:04:57


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tim
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12,800 is a bit better than the D700 is at 6400. It's not a huge jump though IMHO.

Post #4958, Feb 29, 2012 22:41:11


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jdizzle
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It's hard to tell since I'm on a work monitor. Here's another source I found.

http://www.imaging-resource.com/PRODS/nik​on-d4/nikon-d4A7.HTMexternal link

Post #4959, Feb 29, 2012 22:46:28


Phase One, Nikon, Sony, DJI Quadcopter, and Canon.

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Yohan ­ Pamudji
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Seeing as how a lot of my recent shooting is with an Olympus E-P1 (Micro 4/3, 2x crop sensor), that's my frame of reference. I also shoot a 5D Classic, but I've been staring at a lot more E-P1 shots lately. I know these are JPGs but still the D4 "only" looks about 3 stops better than the E-P1. ISO 12800 on the D4 looks like ISO 1600 on the E-P1 with better color fidelity but worse noise. I'm not sure if I should be impressed or not as the physical size alone dictates a 2 stop difference, plus the E-P1 is old sensor tech. Should I be expecting more? Are we finally hitting diminishing returns in terms of cleaning up high ISO noise?

Post #4960, Feb 29, 2012 23:07:31




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dgrPhotos
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I've had both an E-P2 and D3s and they shouldn't even be mentioned in the same sentence. :lol:

Post #4961, Mar 01, 2012 04:05:35




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dgrPhotos
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Just received a generic email from B&H:

Dear DANXXXX XXXXXXX:

Thank you for your pre-order of the exciting new Nikon D800Edigital SLR camera.
We know you're excited about this camera and we're as enthusiastic to get it to
you as you are to receive it.

This moment we do not know how many cameras we'll receive from Nikon USA nor do
we know the exact date we'll receive each shipment from them. As this situation
evolves we will update you with whatever information we're able to share.

Your patience and patronage are both greatly appreciated. Thank you.

The wait continues....

Post #4962, Mar 01, 2012 06:42:22




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DavidR
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^
I received the same email from B&H about my D800 pre-order.

Post #4963, Mar 01, 2012 07:55:21 as a reply to dgrPhotos's post 1 hour earlier.


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ching
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^^ same :D

Post #4964, Mar 01, 2012 10:38:00


Nikon D800

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Yohan ­ Pamudji
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dgrPhotos wrote in post #13995769external link
I've had both an E-P2 and D3s and they shouldn't even be mentioned in the same sentence. :lol:

I didn't say they were close :) But 3 stops difference isn't really that much considering that the physical sensor size alone counts for 2 stops and E-P2 has an old sensor to boot. If it really is only 3 stops difference then the difference with a newer sensor like in the Panasonic GX1 or Olympus E-M5 is 2 stops or less. That doesn't sound great for a cutting edge FF sensor to me, but maybe I haven't been paying attention to FF and more strides have been made on the little sensors compared to FF, where FF is coasting on the strength of its sensor size instead of maximizing its potential with cutting edge tech.

Post #4965, Mar 01, 2012 10:43:19




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