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ac !!VPzQAxYPAMA
Got my Nikon DK-21m today.

Verdict: Meh. Not really worth it, at least on a Canon 400D. It *does* fit, and it *does* magnify things a bit, so it works presumably as well on the Canon as it would on a Nikon it was designed for.

However, the magnification comes at the expense of eyepoint. I.e., with my glasses on, I can see the whole frame in my Rebel XTi when I look through the viewfinder, as well as the status display on the bottom. With the DK-21m, that's no longer possible. I can see the whole thing (and it's magnified) if I take my glasses off, but I don't think the extra magnification really justifies the inconvenience of having to take off my glasses whenever I look through the viewfinder.

So there you have it. If you wear contacts or have naturally good vision, might be useful. If you wear glasses, not so much.
EXIF data available. Clickhereto show/hide.
Camera-Specific Properties:Equipment MakeCanonCamera ModelCanon EOS DIGITAL REBEL XTiLens Size18.00 - 55.00 mmFirmware VersionFirmware 1.1.1Owner NameunknownSerial Number0420104373Image-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution72 dpiVertical Resolution72 dpiImage Created2008:05:08 19:11:15Exposure Time0.8 secF-Numberf/5.6Exposure ProgramAperture PriorityISO Speed Rating400Lens Aperturef/5.6Exposure Bias0 EVFlashNo Flash, CompulsoryFocal Length49.00 mmColor Space InformationsRGBImage Width3888Image Height2592RenderingNormalExposure ModeAutoScene Capture TypeStandardExposure ModeAv-PriorityFocus TypeAutoMetering ModeCenter-WeightedSharpnessUnknownSaturationNormalContrastUnknownShooting ModeManualImage SizeLargeFocus ModeOne-ShotDrive ModeSingleFlash ModeOffCompression SettingFineMacro ModeNormalSubject Distance0.250 mWhite BalanceAutoExposure Compensation3Sensor ISO Speed224Camera Actuations-232587264Color Matrix34
>> Anonymous
Thanks for sharing, ac, too bad it didnt work out so well
>> Anonymous
Well, i just got my Seculine U-13C 1.3x and so far it really has been a treat. Im using it on the 40D .

I have a feeling it would be a no go with eyeglasses though. Really helps out focusing with my 85/1.2L aside with the katz-eye ive got installed.
>> heavyweather !4AIf7oXcbA
The blind shouldn't be allowed to take photographs. GTFO ac!

Too bad, I really enjoy mine. :)
>> ac !!VPzQAxYPAMA
>>177779
>GTFO ac!
Yessir
>> Anonymous
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can you please post pictures of it on the camera?

is it pretty much magnified like this?
>> Anonymous
Why haven't they invented a prescription corrective eyepiece for your camera yet?
>> Anonymous
>>177817

I was under the impression that corrective diopters were readily available, outside of the one already built into the camera.
>> Anonymous
>>177818
THAT'S WHAT THAT THING IS?!!?
>> Anonymous
>>177823
I just tried it and it doesn't correct enough for my eyesight :(
>> Anonymous
>>177827

You can get ones of various strengths to combine with the built in adjustments that your camera allows.
>> Anonymous
>>177827

The best way is to find out the prescription for your shooting eye first. You can look up what the diopter correction range is for the built-in one (It's -1.6 to +0.5 on my Nikon, check your manual/Google) and then match that with a secondary diopter to match your prescription.
>> Einta !!MWv3ICYobCM
Apparently my 450d's diopter is -3 to +1. I spin it to -x and I don't need glasses for it, so I'm flipping back and forth between glasses/noglasses, still trying to decide which I'll settle upon.

Oh, and brilliant idea: Monocle for left eye, diopter for right. I must get on this...
>> ac !!VPzQAxYPAMA
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Shot of the DK21M on my XTi.

In b4 Silver Rebel rage.

Camera-Specific Properties:Equipment MakeCanonCamera ModelCanon PowerShot A95Maximum Lens Aperturef/2.8Sensing MethodOne-Chip Color AreaLens Size7.81 - 23.41 mmFirmware VersionFirmware Version 1.00Image-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution180 dpiVertical Resolution180 dpiImage Created2008:05:09 08:00:40Exposure Time1/20 secF-Numberf/2.8Lens Aperturef/2.8Exposure Bias0 EVFlashNo Flash, CompulsoryFocal Length7.81 mmColor Space InformationsRGBImage Width2592Image Height1944RenderingNormalExposure ModeAutoScene Capture TypeStandardExposure ModeAv-PriorityFocus TypeClose-Up (Macro Mode)Metering ModeEvaluativeISO Speed Rating200SharpnessNormalSaturationNormalContrastNormalShooting ModeManualImage SizeLargeFocus ModeSingleDrive ModeSingleFlash ModeOffCompression SettingSuperfineMacro ModeMacroSubject Distance0.160 mWhite BalanceAutoExposure Compensation3Sensor ISO Speed192Image Number100-0002
>> ac !!VPzQAxYPAMA
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Shot through the viewfinder with DK21M. Slightly blurry because I didn't bother fiddling with the diopter for this shot. This is about what I see with my glasses on when looking through it. Note the fuzziness at the top 'cause I couldn't get the whole frame in frame.

Camera-Specific Properties:Equipment MakeCanonCamera ModelCanon PowerShot A95Maximum Lens Aperturef/4.0Sensing MethodOne-Chip Color AreaLens Size7.81 - 23.41 mmFirmware VersionFirmware Version 1.00Image-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution180 dpiVertical Resolution180 dpiImage Created2008:05:09 08:04:08Exposure Time1/50 secF-Numberf/4.0Lens Aperturef/4.0Exposure Bias0 EVFlashNo Flash, CompulsoryFocal Length16.22 mmColor Space InformationsRGBImage Width2592Image Height1944RenderingNormalExposure ModeAutoScene Capture TypeStandardExposure ModeAv-PriorityFocus TypeClose-Up (Macro Mode)Metering ModeEvaluativeISO Speed Rating200SharpnessNormalSaturationNormalContrastNormalShooting ModeManualImage SizeLargeFocus ModeSingleDrive ModeSingleFlash ModeOffCompression SettingSuperfineMacro ModeMacroSubject Distance0.650 mWhite BalanceAutoExposure Compensation3Sensor ISO Speed192Image Number100-0005
>> ac !!VPzQAxYPAMA
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And here it is shot through the eyepiece without the DK21M. I tried to use the same focal length on my P&S to get the shots, but I think I jostled the knob so... this comparison might be completely worthless. Or it might just be mostly worthless. Also, it's really hard to take a picture with another camera through an SLR viewfinder.

Camera-Specific Properties:Equipment MakeCanonCamera ModelCanon PowerShot A95Maximum Lens Aperturef/4.5Sensing MethodOne-Chip Color AreaLens Size7.81 - 23.41 mmFirmware VersionFirmware Version 1.00Image-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution180 dpiVertical Resolution180 dpiImage Created2008:05:09 08:05:29Exposure Time1/60 secF-Numberf/4.5Lens Aperturef/4.5Exposure Bias0 EVFlashNo Flash, CompulsoryFocal Length19.25 mmColor Space InformationsRGBImage Width2592Image Height1944RenderingNormalExposure ModeAutoScene Capture TypeStandardExposure ModeAv-PriorityFocus TypeClose-Up (Macro Mode)Metering ModeEvaluativeISO Speed Rating200SharpnessNormalSaturationNormalContrastNormalShooting ModeManualImage SizeLargeFocus ModeSingleDrive ModeSingleFlash ModeOffCompression SettingSuperfineMacro ModeMacroSubject Distance0.540 mWhite BalanceAutoExposure Compensation3Sensor ISO Speed192Image Number100-0006
>> Anonymous
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Here's my seculine attached. Gotta love it. After a quick calculation, the viewfinder on my 40D actually appears larger now than on the eos 5D or 1Ds Mark II

Camera-Specific Properties:Equipment MakeEASTMAN KODAK COMPANYCamera ModelKODAK C330 ZOOM DIGITAL CAMERACamera SoftwareAdobe Photoshop CS3 WindowsMaximum Lens Aperturef/2.7Sensing MethodOne-Chip Color AreaFocal Length (35mm Equiv)34 mmImage-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution1767 dpiVertical Resolution1767 dpiImage Created2008:05:09 16:44:42Exposure Time4309/1000000 secF-Numberf/2.7Exposure ProgramNormal ProgramISO Speed Rating80Lens Aperturef/2.7Exposure Bias0 EVMetering ModeCenter Weighted AverageFlashNo Flash, CompulsoryFocal Length5.60 mmColor Space InformationsRGBImage Width696Image Height696Exposure Index80RenderingNormalExposure ModeAutoWhite BalanceAutoScene Capture TypeStandardGain ControlNoneContrastNormalSaturationNormalSharpnessNormalSubject Distance RangeMacro
>> h0z
>>178123

w00t silver rebel/400D's ftw!! i have a silver one cos silver > black!! haha
>> Anonymous
>>178125
>>178126

so what's the problem?

you can still see the HUD at the bottom and nothing looks cropped
>> ac !!VPzQAxYPAMA
>>178196
Eh? The top is pretty cropped in the one with the DK21M. Or heavily vignetted, at least. When wearing glasses, I can see the whole frame with the normal base viewfinder, but I have to move the camera around to see the whole thing with the DK21M. And it's a little tight even without my glasses on.
>> Anonymous
>>178287

okay, so it's the vignetting that bothers you

now that you know this, would you have bought it in the first place?
>> ac !!VPzQAxYPAMA
>>178291
Probably not. The disadvantages outweigh the advantages for me.

Need to find a Nikonfag who'd like it. All of my friends are Canonfags...
>> Anonymous
>>178325

It's the same thing on Nikons.. view is cropped
>> ac !!VPzQAxYPAMA
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And on the subject of gear I've recently acquired... FUCK YEAH, F/1.0 BITCHES!

Now I just need to figure out how to use this bad boy on something vaguely useful rather than the 8mm movie camera it was designed for. My current plan is to hack an old P&S with a 1/2.5" sensor to use it.

Camera-Specific Properties:Equipment MakeCanonCamera ModelCanon EOS DIGITAL REBEL XTiLens Size18.00 - 55.00 mmFirmware VersionFirmware 1.1.1Owner NameunknownSerial Number0420104373Image-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution72 dpiVertical Resolution72 dpiImage Created2008:05:09 18:14:00Exposure Time1/8 secF-Numberf/5.0Exposure ProgramAperture PriorityISO Speed Rating400Lens Aperturef/5.0Exposure Bias0 EVFlashNo Flash, CompulsoryFocal Length43.00 mmColor Space InformationsRGBImage Width3888Image Height2592RenderingNormalExposure ModeAutoScene Capture TypeStandardExposure ModeAv-PriorityFocus TypeAutoMetering ModeCenter-WeightedSharpnessUnknownSaturationNormalContrastUnknownShooting ModeManualImage SizeLargeFocus ModeOne-ShotDrive ModeSingleFlash ModeOffCompression SettingFineMacro ModeNormalSubject Distance0.270 mWhite BalanceAutoExposure Compensation3Sensor ISO Speed224Camera Actuations-232587104Color Matrix34
>> Anonymous
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>>178451

Camera-Specific Properties:Equipment MakeSONYCamera ModelDSC-V1Maximum Lens Aperturef/2.8Image-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution72 dpiVertical Resolution72 dpiImage Created2006:06:16 18:46:08Exposure Time1/10 secF-Numberf/2.8Exposure ProgramAperture PriorityISO Speed Rating100Exposure Bias0 EVMetering ModePatternLight SourceTungstenFlashNo FlashFocal Length7.00 mmColor Space InformationsRGBImage Width2592Image Height1944RenderingNormalExposure ModeAutoWhite BalanceManualScene Capture TypeStandard