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PostPosted: Thu Jun 14, 2007 12:18 am 
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Location: Northern Virginia, USA
After reading some positive comments on the net I decided to buy a Nikon DK-21M Magnifying Eyepiece for my D40. Not that I felt the standard viewfinder wasn't good enough for my needs, but more likely to see how much better it can get... :) So I paid a visit to my local camera shop and got one for under USD 30.00, tax included. Attaching it to the camera was quite easy - just remove the rubber eyepiece cup that comes with the camera and slide the DK-21M in its place. The instructions that came with it were clear and easy to follow.

The DK-21M has a magnification of about 1.17, which increases the total magnification of the D40 from about 80% to about 93-94%. The difference is notable as soon as you look through the upgraded viewfinder - so much so that I actually experienced vignetting!! It looks like the opening of the DK-21M is smaller than the one of the actual viewfinder, so the corners and the sides get a little bit darker... I could read the viewfinder info at the bottom pretty well, but I had to look down a little for that. I don't wear glasses though... After mounting the DK-21M you might need to adjust the diopter.

So far I only tried the DK-21M around the house. I plan to give it a more thorough "evaluation" on my next weekend photo outing and will report back here. One thing is sure - because the DK-21M protrudes more from the camera than the original eyepiece cup, there is less chance to touch the LCD with my cheek while taking photos ;)

Darrin

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PostPosted: Thu Jun 14, 2007 1:09 am 
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Cheers Darrin, interesting report...

Are you saying it gives the impression of a bigger viewfinder, as oppose to magnifiying a portion for more critical focusing?

Gordon


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PostPosted: Thu Jun 14, 2007 1:17 am 
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Gordon Laing wrote:
Are you saying it gives the impression of a bigger viewfinder, as oppose to magnifiying a portion for more critical focusing?

Yes Gordon, it magnifies the entire thing, not just a part.

Darrin

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 Post subject: Update!
PostPosted: Mon Jun 18, 2007 2:20 am 
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I was able to test the magnifier some more during this weekend. It really enlarges the entire image - the dark areas surrounding the TTL image in the viewfinder are greatly reduced and even eliminated (on the sides) while maintaining the same brightness. The problem is that I could not see clearly both the left and the right sides at the same time - no matter how I positioned my eye at least one of the sides was vignetting... if looking straight both of them are darkish. I could see the top and the bottom of the TTL image clearly at the same time, but not the viewfinder info... When I positioned the eye to see the viewfinder info completely the top of the TTL image would become darkish... This vignetting effect is relatively thin, but it is there... Of course, the actual image taken with the camera is not affected.

So there you have it... on the D40 at least there are some drawbacks in using the DK-21M... Having said this, I got used to it in the last 2 days so I'm going to keep it on for now :)

Darrin

P.S. The DK-21M is not compatible with all Nikon DSLRs - check on the camera page at Nikon USA in the accessories tab to see which magnifier works with your camera.

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PostPosted: Mon Jun 18, 2007 3:02 am 
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Hi Darrin, I guess the big question is whether you feel you can accurately frame your shots when using this attachment?

Gordon


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PostPosted: Mon Jun 18, 2007 11:26 am 
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Gordon Laing wrote:
Hi Darrin, I guess the big question is whether you feel you can accurately frame your shots when using this attachment?

Hi Gordon - so far I had no problems with framing. As you know, D40's viewfinder has a 95% frame coverage so you end up with a little more in the picture than you see through the viewfinder anyway...

Darrin

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PostPosted: Tue Jul 29, 2008 9:14 pm 
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Hi!
I hardly dare saying it, but I use this DK-21M on my EOS 350D. It fits well and performs perfectly.


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PostPosted: Wed Jul 30, 2008 8:52 pm 
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OOooooo would this work on a eos 400D because i find the viewfinder quite small. And im pissed that canon don't make their own magnifying eyepiece.


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PostPosted: Wed Aug 06, 2008 12:57 am 
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i have one on my 400D, or at least i did, i find its protruding to be uncmfortable on my eyesocket, its not as squishy as the canon one.

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