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D800 loupe, 100% image size is where?

Scott M

Laguna Beach, US
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Scott M Registered since 12th Mar 2012
Tue 08-May-12 06:21 PM

The D800 LCD display will magnify 11 times using the zoom button. It will zoom 5 times to check focus in Live View. Where is 100% image size on both of these? Anyone know? It would be very helpful to check your focus.
Thanks in advance.

RRRoger

Monterey Bay, US
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#1. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 0

RRRoger Silver Member Fellow Ribbon awarded for his long history of demonstrated excellence and helping other members with equipment, technique and DSLR video in the true Nikonians spirit. Charter Member
Tue 08-May-12 04:38 PM

I think 100% is the 4th click.
I've had the Hoodman and now use a CaVision loope.
It is a magnifying lens that fits the camera more securely.

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Scott M

Laguna Beach, US
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#2. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 1

Scott M Registered since 12th Mar 2012
Tue 08-May-12 05:38 PM

>I think 100% is the 4th click.
>I've had the Hoodman and now use a CaVision loope.
>It is a magnifying lens that fits the camera more securely.

Thank you. I configured the center button to auto zoom full and that is 10 zoom clicks, with one left to go further.
That 10 click magnification matches the 5 full clicks on Live View. Too bad the manual doesn't specify.

DAJolley

US
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#3. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 0

DAJolley Silver Member Nikonian since 19th Dec 2007
Tue 08-May-12 06:03 PM

This video should answer your questions regarding live view magnification:
http://www.youtube.com/watch?v=wAu8sCti0wg

Dave Jolley

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dhmiller

US
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#4. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 3

dhmiller Silver Member Donor Ribbon awarded for his support to the Fundraising Campaign 2014 Nikonian since 19th May 2009
Tue 08-May-12 06:56 PM

That video also raises some serious questions about using LV for critical manual focusing.
Yikes!!
Dennis

http://www.youtube.com/watch?v=wAu8sCti0wg

and the followup confirmation:

http://www.youtube.com/watch?v=HSALyicAdj4&hd=1&feature=iv&annotation_id=annotation_120561

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Scott M

Laguna Beach, US
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#5. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 3

Scott M Registered since 12th Mar 2012
Tue 08-May-12 07:24 PM | edited Tue 08-May-12 07:55 PM by Scott M

Ok, if that video is to be accurate, then 100% in regular review is 9 clicks, 200% is 10 clicks and maybe 300% is 11 clicks or total zoom.
He says 4 clicks in LV is 100% and 5 or total is 200%.
So....9 clicks of zoom equals 100% of the original image in image revue.
4 clicks of Zoom equals 100% of the original image in Live View.
I have set the center button to 200% on both zooms. If it shows sharp at 200%, that's pretty sharp.
Thanks all.

Update: According to new information from Marianne Oelund (who is a tech whiz) over on dpreview.com,
the maximum zoom on regular review is actually 400%, not 300%. All the rest above is accurate.

Gromit44

UK
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#6. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 5

Gromit44 Registered since 04th Jan 2012
Sun 02-Dec-12 02:02 PM

Scott - how sure are you that 9 clicks is 100%? Marianne doesn't say where she got the information from (http://forums.dpreview.com/forums/post/41457202) and Thom Hogan's book says 8 clicks is 100% approx.



Scott M

Laguna Beach, US
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#7. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 6

Scott M Registered since 12th Mar 2012
Sun 02-Dec-12 08:48 PM | edited Mon 03-Dec-12 02:13 AM by Scott M

With regular LCD review...
The maximum zoom is 400% (11 clicks)
the next one down is 200% (10 clicks and HIGH setting)
the third one from maximum is 100% (9 clicks and MEDIUM setting)
I do not know what LOW setting % is. Maybe 50%

Nikon software uses same increments.



I will tell you that being able to set the control button to zoom 100% quickly after a shot is a great way to check focus. 100% sharp is my goal. Not sure what Thom said or where you read it, but I certainly would defer to him. I have his D800 manual and it is full of great information. Setting the same button for LV zoom focus is also a nice feature to use.

Set the default button and you will love it.

Gromit44

UK
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#8. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 7

Gromit44 Registered since 04th Jan 2012
Mon 03-Dec-12 11:57 AM

Thom's book ('Complete Guide to the Nikon D800 and D800E') says there are 10 zoom clicks available on the multi selector and 8 clicks gives 100% magnification, which is the Medium setting in the f2 menu. More details here https://www.nikonians.org/forums/dcboard.php?az=show_topic&forum=430&topic_id=20192&mesg_id=20192&page=

I do use Medium in f2 and it's very useful - I'd just like to be certain that it's 100%. Darrell Young's book (according to another Nikonian) says that Medium is 200%.



MotoMannequin

Livermore, CA, US
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#9. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 8

MotoMannequin Awarded for his extraordinary skills in landscape and wildlife photography Registered since 11th Jan 2006
Mon 03-Dec-12 06:11 PM

Not sure how many clicks there are total, but I agree that full zoom is 400%, full minus 1 click is 200%, and full minus 2 clicks is 100% = MEDIUM and I have the center button on the multi-selector set to that (medium).

Larry - a Bay Area Nikonian
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Scott M

Laguna Beach, US
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#10. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 9

Scott M Registered since 12th Mar 2012
Mon 03-Dec-12 06:16 PM | edited Mon 03-Dec-12 06:23 PM by Scott M



Nikon view software is 400%, 200%, 100%
Lcd view loupe is the same.

Medium setting is 100%
High is 200%

400% is not really usable IMO.
If you get sharp at 200%, you have a GREAT shot. Really sharp.

Gromit44

UK
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#11. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 10

Gromit44 Registered since 04th Jan 2012
Tue 04-Dec-12 02:03 PM

Yes, 400% (11th click) is pretty useless - it's so far in it's difficult to tell whether you're looking at image detail or the monitor's pixel rows.

KnightPhoto

Alberta, CA
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#12. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 10

KnightPhoto Gold Member Nikonian since 18th Dec 2006
Thu 06-Dec-12 02:14 AM

>
>
>Nikon view software is 400%, 200%, 100%
>Lcd view loupe is the same.
>
>Medium setting is 100%
>High is 200%
>
>400% is not really usable IMO.
>If you get sharp at 200%, you have a GREAT shot. Really
>sharp.
>
>
Thanks for the info guys.

Real world question - isn't 50% a better way to judge than 100%? I've been using medium, so I guess that is 100%.

Would 50% be low?

Best regards, SteveK

'A camera is an instrument that teaches people how to see without a camera.' -- Dorothea Lange
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Scott M

Laguna Beach, US
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#13. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 12

Scott M Registered since 12th Mar 2012
Thu 06-Dec-12 03:02 AM

>>
>>
>>Nikon view software is 400%, 200%, 100%
>>Lcd view loupe is the same.
>>
>>Medium setting is 100%
>>High is 200%
>>
>>400% is not really usable IMO.
>>If you get sharp at 200%, you have a GREAT shot. Really
>>sharp.
>>
>>
>Thanks for the info guys.
>
>Real world question - isn't 50% a better way to judge than
>100%? I've been using medium, so I guess that is 100%.
>


With the resolution of this camera, 50% size, tack sharp should be fine for most.
I started with high (200%), now very content with medium. (100%) Used it since this old thread was begun.
Wonder why Nikon didn't see fit to include the real sizes in the manual?
yes, 50% is low setting.


>Would 50% be low?
>
>Best regards, SteveK
>
>'A camera is an instrument that teaches people how to see
>without a camera.' -- Dorothea Lange
>My
>Nikonians gallery>
>
My Nikonians Blog

Gromit44

UK
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#14. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 0

Gromit44 Registered since 04th Jan 2012
Wed 14-May-14 03:54 PM | edited Wed 14-May-14 03:59 PM by Gromit44

I thought I'd resurrect this thread because I'm confused again and I'm not sure we've got it right yet.

OUR AIM: to find out whether or not the Low, Medium, and High settings on the multi-selector centre button (menu f2) equate to 50%, 100% and 200% views in Photoshop's navigator.


STARTING POSITION (Playback mode only, NOT Live View): take a picture and press the Playback button on the back of the camera (the button with the arrow, next to the dustbin).

Now press the + button to the left of the LCD. It takes 11 (eleven) clicks to reach maximum magnification on the LCD.


We all seem to agree that f2 Medium is 100%.


FACT: It takes 9 clicks to reach the same magnification as f2 Medium - therefore, if we're correct, the 9th click from the starting position is 100%.

FACT: f2 High is the same magnification as the 10th click from the starting position.

FACT: f2 Low is the same magnification as the 7th click from the starting position.


So here's the question: if the 9th click (f2 Medium) is indeed 100%, what magnifications are the 7th (f2 Low), the 8th, the 10th (f2 High) and the 11th clicks?

i.e.

7th click - ??? (f2 Low)
8th click - ???
9th click - 100% (f2 Medium)
10th click - ??? (f2 High)
11th click - ???
















dm1dave

Lowden, US
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#15. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 14

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Wed 14-May-14 09:34 PM | edited Wed 14-May-14 09:40 PM by dm1dave

A wile back I worked this out on a D300. See this post for my methodology.

The D800 has more levels of magnification available 11 click vs only 8 on the D300.

Nikon has been fairly constant with magnification levels between the software View NX, CNX2 and the cameras. After 100% they each increase is double the one before. Low, Medium and High setting have consistently been 50%, 100% & 200%.

so, .....

7th click - 50% (f2 Low)
8th click - 60% or possibly 66%
9th click - 100% (f2 Medium)
10th click - 200% (f2 High)
11th click - 400%


You can figure out all of the levels using the method I used for the D300. If I have time I may do it for the D800 later.

Dave Summers
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Gromit44

UK
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#16. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 15

Gromit44 Registered since 04th Jan 2012
Thu 15-May-14 02:11 PM

Good stuff Dave - I'll have a go at using your D300 method on the D800.

Re the 8th click - 66% would make a lot of sense because it matches Photoshop's steps, which are:

16.67% (seems to be the default starting level)
25%
33.33%
50%
66.67%
100%
200%
300%
400%
500%
...and so on to 800%
1200%
1600%
3200%

Ferguson

Cape Coral, US
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#17. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 7

Ferguson Silver Member Fellow Ribbon awarded for the generous sharing of his high level expertise in the spirit of Nikonians Nikonian since 19th Aug 2004
Thu 15-May-14 08:04 PM


>I will tell you that being able to set the control button to
>zoom 100% quickly after a shot is a great way to check focus.

If you want an additional trick, AND if you shoot only raw and don't use CNX2, go into the picture controls and turn your sharpness all the way up. This causes the preview image on the LCD to be way over sharp, and you get these sparkly like areas in the area of best focus (if there is one). You can see very quickly on hair, clothes, etc. whether it is in sharp focus or not zoomed in just one click or so, as it exaggerates it.

Obviously not for JPG's, or if you depend on the camera settings carrying over.


Linwood

Comments welcomed on pictures: Http://www.captivephotons.com

Gromit44

UK
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#18. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 16

Gromit44 Registered since 04th Jan 2012
Thu 22-May-14 01:26 PM | edited Thu 22-May-14 02:26 PM by Gromit44

>Good stuff Dave - I'll have a go at using your D300 method on the D800.


Dave,

I'm just trying your D300 method with my D800E. (For reference, your D300 method is here - https://www.nikonians.org/forums/dcboard.php?az=set_threaded_mode&forum=149&topic_id=187388&prev_page=show_topic&gid=187388#187447).

The D800E's LCD is a 3.2 inch 640 x 480 screen. I've followed your instructions exactly and have a 640 x 480 photograph of a paper grid open in Photoshop (it opened with the Navigator at 100%). The CF card containing the original shot is back in the D800E.

Just to clarify: the starting position on the D800E's LCD is the view reached when the Playback button is pressed. Let's call this 'SP'.

From SP, nine clicks of the + button (zoom in) gives an image on the camera's LCD that exactly matches the image in Photoshop. So that confirms the 9th click is 100%.

Also, if f2 is set to Medium, one press of the multi-selector produces the same magnification as the 9th click in from SP. So that confirms f2 Medium is 100% too.

This is where it gets confusing. With f2 still on Medium (not that it matters when counting the clicks from SP), the 10th click in from SP seems to match 425%-ish in Photoshop - and the 11th click seems to match 900%-ish. How can these two matches be right? (425% and 900% are not default steps in Photoshop Navigator).

dm1dave

Lowden, US
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#19. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 18

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Thu 22-May-14 07:35 PM

Okay, I just tried it and I am getting push #9 = 100%, #10 = 200%, and #11 =400%

To measure the higher magnifications you need to ensure that the magnified image is displayed within a 640 pixel by 480 pixel area of your monitor.

So, I followed my previous procedure to get the 100% magnification. 100% in Photoshop matches the 9th button push (or medium magnification set in custom setting f2) on the D800.


On all below images the left side is a photo of the D800 display - the image on the right is the same image in Photoshop.

Click on image to view larger version




I then made the document window smaller so that the 640x480 image just fits. This ensures that the area inside that window is always 640x480 pixels to match the D800 screen.

Zoom into 200% and it matches the 10th button push on the D800

Click on image to view larger version




Zoom into 400% and it matches the 11th button push on the D800


Click on image to view larger version




Now that I have the images I will work out the other zoom levels soon.

Attachment#1 (jpg file)
Attachment#2 (jpg file)
Attachment#3 (jpg file)

Dave Summers
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Gromit44

UK
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#20. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 19

Gromit44 Registered since 04th Jan 2012
Fri 23-May-14 01:20 PM


Ok Dave, I just had another go at it and I got the same results as you for the 10th and 11th clicks - i.e.

9th click = 100% (this is the same as multi-selector on f2 Medium)
10th click = 200% (this is the same as multi-selector on f2 High)
11th click = 400%

I then resized the document window in Photoshop so that it was 640 x 480 when the navigator showed 100% (see screen grab below). This gave me the percentages for the 7th and 8th clicks.

7th click = 50% (this is the same as multi-selector on f2 Low)
8th click = 66.67%

Do you agree with all five percentages and f2 equivalents?


Click on image to view larger version

Gromit44

UK
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#21. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 20

Gromit44 Registered since 04th Jan 2012
Fri 23-May-14 01:25 PM

PS. I don't have a second camera so I can't photograph the D800E's LCD screen at the various clicks (like you did).

dm1dave

Lowden, US
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#22. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 19

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Fri 23-May-14 02:21 PM | edited Fri 23-May-14 02:23 PM by dm1dave

To get all of the zoom levels…

I took a the 640 x 480 center crop of the full grid image and added a 2 pixels outline (increase canvas size by 4 pixels)

I then copied and pasted that into the full size image and lined up the grid lines. This marks a 640x480 pixel area. Then I resize the image window so that the 640x480 image area fits perfectly in the window.
Then I zoomed all the way out and then change the Photoshop zoom to match the zoom levels on the camera by counting grid cells.

SP = 8.7% This is The first level in the camera when you push the playback button.

1 = 10.4%

2= 13.3%

3 = 16.7%

4 = 18.5%

5 = 25%

6 = 33.3%

7 = 50% (low zoom in custom setting f2)

8 = 66.7%

9 = 100% (medium zoom in custom setting f2)

10 = 200% (high zoom in custom setting f2)

11 = 400%

Dave Summers
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dm1dave

Lowden, US
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#23. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 20

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Fri 23-May-14 02:25 PM

Yes, I agree with your findings - was just working on this this morning.

Dave Summers
Nikonians Photo Contest Director
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Gromit44

UK
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#24. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 22

Gromit44 Registered since 04th Jan 2012
Sat 24-May-14 11:42 AM | edited Sat 24-May-14 12:46 PM by Gromit44

Something is wrong here Dave. I've used your method (post #22) to establish zoom levels at clicks 1-6 and my results are completely different to yours.

For instance, my 5th click in from SP is the same as 15% in Photoshop - but your 5th click is 25%.

I've written numbers on my grid to make it easier to match Photoshop's zoom to the camera's zoom.

At the 5th click, the camera's LCD shows grid square 8 is the left edge of frame and grid square 8 is the right, grid square 6 is the top edge of frame and grid square 6 is the bottom. In Photoshop, I have to zoom to 15% to match this view - here's the screen grab.

Click on image to view larger version






Gromit44

UK
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#25. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 24

Gromit44 Registered since 04th Jan 2012
Sat 24-May-14 01:15 PM | edited Sat 24-May-14 03:19 PM by Gromit44

Another attempt using the method in your post #22.

This time I get these results:

1st click - 11% (10.81% when repeated)
2nd click - 14% (13.75% when repeated)
3rd click - 17.38% (17% when repeated)
4th click - 19.27% (19% when repeated)
5th click - 26% (25.5% when repeated)
6th click - 35% (34.5% when repeated)

And these:

7th click - 50%
8th click - 66.67%
9th click - 100%
10th click - 200%
11th click - 400%


Here's a grab of Photoshop at 26% - it's as exact as I can get to the camera's 5th click.* I have no idea why the first attempt (post#24) gave 15% as a match for the 5th click!!

Click on image to view larger version


* If I repeat the test, the percentages for clicks 1-6 change very slightly - probably because the wider zoom levels are so difficult to gauge precisely. The results of a second test run are shown in brackets at the top of this post.

dm1dave

Lowden, US
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#26. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 25

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Sat 24-May-14 11:30 PM

Yea, I think the wider image views (the lower numbers) are more of an approximation the percentage is. I had a hard time getting the Photoshop to match the 3rd and 4th zoom levels.


From 50% and up the comparisons are right on.

Dave Summers
Nikonians Photo Contest Director
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Gromit44

UK
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#27. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 26

Gromit44 Registered since 04th Jan 2012
Sun 25-May-14 01:19 PM | edited Sun 25-May-14 01:26 PM by Gromit44

The problem is the camera's LCD is so small (compared to a desktop monitor) that it's difficult to tell which box on the grid is at the edge of frame - I had to use a magnifying glass for the 1st, 2nd and 3rd clicks!

Even a small misjudgement on the wider image views can throw the corresponding Photoshop reading out by quite a bit - so I'm quite pleased that our results for clicks 1-6 match so closely (e.g. your 10.4% vs. my 10.81% for the 1st click).

The closer image views are much easier to judge - I get the same percentages every time for clicks 7-11 and they all match yours. This is good because the only magnifications that are really important to us are the ones between 50% and 200% (with 100% being the key).

Gromit44

UK
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#28. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 26

Gromit44 Registered since 04th Jan 2012
Tue 03-Jun-14 12:12 PM

Dave,

After writing my last post (above) I asked Nikon UK what the magnifications were. They have just come back with the answer below - and as you can see their figures are virtually identical to yours (post 22). So well done Dave - that's what I call a good result!


MESSAGE FROM NIKON UK


Click on image to view larger version



GaryPk

Bailey, US
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#29. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 27

GaryPk Silver Member Nikonian since 30th Apr 2012
Wed 04-Jun-14 10:50 PM

Whew . . . So which is the best magnification to check sharpness in
Image Review? And, in Live View for focusing/focus check?

Thank you . .

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dm1dave

Lowden, US
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#30. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 29

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Thu 05-Jun-14 12:01 AM

I would use 100% for both image review and live view focusing.

Dave Summers
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Gromit44

UK
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#31. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 29

Gromit44 Registered since 04th Jan 2012
Thu 05-Jun-14 09:02 AM

I generally do the same as Dave - 100% for Image Review and Live View, although 200% can be pretty useful too for checking focus. At 400% the monitor is starting to show the rows of pixels.

Papachief

Salinas, US
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#32. "RE: D800 loupe, 100% image size is where?" | In response to Reply # 3

Papachief Gold Member Nikonian since 08th Jul 2015
Sun 31-Jan-16 05:17 PM

Too much math for me. Darrell Young's "Mastering the Nikon D800" page 249 explains the Zoom on/off and magnification function. On the D800, eight or nine presses of the "+" button will get to approximately 100% He also explains how to set the Multi selector center button to zoom to 100%.

Visit my Nikonians gallery.

G