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Posts for: CSI Dave
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Apr 2, 2013 12:48:20   #
CaptainC wrote:
Hmmm - a scientific sample of.....one. You have not been paying attention and heard all the wailing about the Canon Autofocus problems - or the mirror falling off. In the business the joke is that Canon is Japanese for, "ship now, fix later."

Both are excellent brands and both have had phenomenal cameras and both have had their share of issues. Neither would be as good as they are today had it not been for the competition with the other.


Right - I'm sure if he types in "canon problems" into his favorite search engine there's bound to be plenty of people griping about one thing or another.

That said, I don't think Nikon is doing itself any favors by basically ignoring what looks like actual QC problems with early D800 left focus and the D600 oil/dust problems on the sensor. Hopefully they have it sorted out, but it sure caused a lot of internet banter in the mean time. My guess is that's what the OP is referring to.

P.S. I'm a Nikon shooter in the digital age, but my loyalty does not go back as far as a lot of you. Started with Pentax and shot mostly Contax/Zeiss during the film years.
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Mar 29, 2013 16:33:19   #
pounder35 wrote:
So sue me. :lol: :thumbup: Do you recognize the photo and are you able to name the film and the actor? A little trivia quiz. Here's the grand prize.


Looks like Igor from Young Frankenstein ("fronk-un-STEEN"), but I'd be cheating if I looked up the actor, can't think of the name right now. Abby Normal, perhaps.

Quite the grand prize, too bad I lost. Maybe I can get a 70-200 f/2.8 consolation gift.
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Mar 29, 2013 14:18:24   #
pounder35 wrote:
Here's what you'll look like next year after carrying that lens around. :lol:


Hey, I don't remember signing a model release!

:-D
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Mar 27, 2013 12:35:39   #
fstop22 wrote:
Dude you need the full 12 step program
Step 1: Admitted you were powerless over photography that your spending spree had become unmanageable.


More like the "12 stop" program... ;)

I feel the OP's pain, er, joy. I already had a Sigma 17-50 f/2.8 (comparable to the 17-55, IMHO), but just had to get the 16-85mm for a walk-around lens. The wife and I went hiking in Sedona last weekend, and I practically drove myself nuts trying to pick which lenses to bring...17-50, 16-85, 10-20... She just ignores me and offers no help whatsoever, except to keep the phone number of the psych ward close by. So I brought all three, but then wished I had brought a telephoto for a couple of shots.
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Mar 22, 2013 15:57:52   #
Jimande wrote:
Dave, I have a Canon Canoscan 5600F model; there is a later version available. To scan slides or film, they furnish an insert that goes under the lid and locks in place on top of the glass. This insert opens up to receive six slides or one film strip. Remove the white cover attached to the inside of lid to expose the scanner lights, select what you're scanning, it does a prescan, and then a final scan. You then select how and where you want to save them, and complete the process.


Thanks for the extra info. I've looked a little at the Canoscan 9000F and the Epson V500 as reasonably priced options. Seems like anything better is much more expensive. I have read that getting the film focused correctly can be a pain, but it sounds like you didn't run into much trouble.
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Mar 20, 2013 13:22:01   #
Very nice! Would you please provide some info about your scanner and your scanning process? I'm considering doing something similar, so I'm looking for recommendations. I've heard it can be very tedious to get good scans.
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Mar 12, 2013 17:08:46   #
Martys wrote:

No, I hadn't known that before mentioning my camera considerations.

It's so easy to concern yourself with advertised technology that our eyes might not readily detect or be visible in our non-professional images we make.

Maybe,....Only your dog can see the differences :-)

The quality of either camera I am sure exceeds anything I will be doing.

As I had said,...had I not lost the D300,....I'd have kept shooting with it,....it met my needs quite well.
I'd gained familiarity with the D300 and where it lacked,...in my opinion,......for me, High ISO and night exposures were those areas.

It will be extremely interesting now to make comparisons with the camera I select.
Marty
br No, I hadn't known that before mentioning my c... (show quote)


My dog is more interested in bacon than my photos. Photos of bacon don't interest him either.

I had a D300 for a couple years, really enjoyed it. Keep us posted on your replacement choices.
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Mar 12, 2013 17:05:30   #
Brucej67 wrote:
I understand what you meant and was only being technically correct, as I was also corrected on this myself and that is how I found out. Does it matter, no, but it is an interesting point to ponder. My bet was that Nikon was testing the market with the D800e and found there was enough interest in the feature to introduce it in the DX market. I have the D800 and wanted the D800e for this feature so now I can spend $2,000 less and get it.


CSI Dave wrote:
Brucej67 wrote:
This might help:
Actually, the D800e still has a filter in place over the sensor, but the composition of the layers of the filter is altered to reverses the effect of a standard OLPF, yielding increased resolution. Physically, there is essentially no difference in the sensor/filter assembly other than the layers of the filter that cause it to function differently (as if it weren't there).

See: http://imaging.nikon.com/lineup/dslr/d800/features01.htm#a12 scroll down about half-way to the section with the heading "-Functions of low pas filter."

The D7100 is different - it actually does not include any filter. See:
http://imaging.nikon.com/lineup/dslr/d7100/features02.htm#a6

Hope this helps you understand.

CSI Dave wrote:
Martys wrote:


I'm looking at the D7100,..to be released within a week,.......or the D800,....am undecided.

Marty


I'm curious why the lack of an AA filter in the D7100 doesn't seem to worry you about moire, but the D800E does?

And my tongue-in-cheek comment is that I'm surprised no one has chimed in yet to say "...if only you would have invested in a better tripod...". Seriously, though, I'm sorry to hear about your equipment, that is a real bummer.
quote=Martys br br I'm looking at the D7100,..t... (show quote)
This might help: br Actually, the D800e still has ... (show quote)


Yes, I understand all that. The two cameras essentially arrive at the same end result but have different ways of getting there. My intended point (and question to Marty) was since that neither camera has any "functional" low pass filter, both should be - in some instances - susceptible to moire effects. However, he was only worried about it on the D800E, not the D7100. It made me wonder if he noticed the D7100 does not have an AA filter.
quote=Brucej67 This might help: br Actually, the ... (show quote)
I understand what you meant and was only being tec... (show quote)


You're right, definitely interesting to ponder. I know I would be quite happy with your D800 (well, one just like it - I don't want to take yours :) ) or the D800E, but I don't see that happening for me. The wife would probably leave me after I had to revamp my entire lens collection. I'm anxious to see what people think about the D7100 without the AA filter, that could be a viable option for me.
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Mar 12, 2013 16:00:54   #
Brucej67 wrote:
This might help:
Actually, the D800e still has a filter in place over the sensor, but the composition of the layers of the filter is altered to reverses the effect of a standard OLPF, yielding increased resolution. Physically, there is essentially no difference in the sensor/filter assembly other than the layers of the filter that cause it to function differently (as if it weren't there).

See: http://imaging.nikon.com/lineup/dslr/d800/features01.htm#a12 scroll down about half-way to the section with the heading "-Functions of low pas filter."

The D7100 is different - it actually does not include any filter. See:
http://imaging.nikon.com/lineup/dslr/d7100/features02.htm#a6

Hope this helps you understand.

CSI Dave wrote:
Martys wrote:


I'm looking at the D7100,..to be released within a week,.......or the D800,....am undecided.

Marty


I'm curious why the lack of an AA filter in the D7100 doesn't seem to worry you about moire, but the D800E does?

And my tongue-in-cheek comment is that I'm surprised no one has chimed in yet to say "...if only you would have invested in a better tripod...". Seriously, though, I'm sorry to hear about your equipment, that is a real bummer.
quote=Martys br br I'm looking at the D7100,..t... (show quote)
This might help: br Actually, the D800e still has ... (show quote)


Yes, I understand all that. The two cameras essentially arrive at the same end result but have different ways of getting there. My intended point (and question to Marty) was since that neither camera has any "functional" low pass filter, both should be - in some instances - susceptible to moire effects. However, he was only worried about it on the D800E, not the D7100. It made me wonder if he noticed the D7100 does not have an AA filter.
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Mar 12, 2013 12:54:41   #
Martys wrote:


I'm looking at the D7100,..to be released within a week,.......or the D800,....am undecided.

Marty


I'm curious why the lack of an AA filter in the D7100 doesn't seem to worry you about moire, but the D800E does?

And my tongue-in-cheek comment is that I'm surprised no one has chimed in yet to say "...if only you would have invested in a better tripod...". Seriously, though, I'm sorry to hear about your equipment, that is a real bummer.
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Feb 21, 2013 20:49:24   #
mrblackett wrote:
Moire is increased with sharpness, I'm not sure if higher megapixels increased it, I've noticed reducing my image resolution helped rid the effects.

CSI Dave wrote:
mrblackett wrote:
As resolution goes higher, moire is more apparent.


Just the opposite. Higher resolution tends to tame/avoid moire.

http://micro.magnet.fsu.edu/primer/java/digitalimaging/processing/samplefrequency/index.html


I suspect we are oversimplifying a pretty complex topic, but posted my response because I find the subject intruiging. I wasn't talking about lens sharpness/resolution, but sensor resolution. Moire patterns tend to appear when the sampling rate (aka pixel density) is about the same as the frequency of the details being recorded (aka image detail). That leaves lots of variability, including megapixels, pixel size, pixel density, subject, and subject distance. It seems that camera manufacturers are only recently putting weaker anti-aliasing filters on their cameras (or removing them entirely), just as the MP of sensors go up. I assume (yes, I know, Ass u me!) that's because they can finally get away from AA filters because of the higher resolution sensors. At least that's what the math would predict regarding the Nyquist frequency.

Curiously, I've seen examples that show moire after the file resolution is decreased, which is the opposite of your experience. I bet the results would be different depending if you started with a high MP image and reduced it, or used a lower resolution camera to capture the original image and left it full size.

Anyway, feel free to chime in, anyone. Or I'll just shut up and stop hi-jacking this thread :)
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Feb 21, 2013 17:27:56   #
mrblackett wrote:
As resolution goes higher, moire is more apparent.


Just the opposite. Higher resolution tends to tame/avoid moire.

http://micro.magnet.fsu.edu/primer/java/digitalimaging/processing/samplefrequency/index.html
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Feb 21, 2013 13:43:43   #
I highly recommend the video from luminous-landscape.com for about $60.

http://www.luminous-landscape.com/videos/lr4_combo.shtml

Very thorough, easy to watch, and the guys really know their stuff. (If you google Jeff Schewe, you'll find that he works with the Adobe software developers and has lots of inside knowledge. Some of the features in LR and Photoshop come from his input.)

I do agree with sodapop's comment that books are easier to reference when you're trying to find a specific tool.
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Feb 21, 2013 12:25:40   #
MT Shooter wrote:
MtnMan wrote:



I don't get how or if the 1.3 crop thing differs from simply cropping your shot in-camera or afterwards.


The 1.3X crop is off the already crop sensor specs?
Nikons page:
http://www.nikonusa.com/en/Nikon-Products/Product/Digital-SLR-Cameras/1513/D7100.html#tab-ProductDetail-ProductTabs-Overview


I think the 1.3 crop in-camera allows a higher burst rate (7fps is what I understand). I assume that means the new buffer capacity might still be a limitation, just as on the D7000.
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Feb 20, 2013 12:41:02   #
mikemilton wrote:
CSI Dave wrote:
mikemilton wrote:
jerryc41 wrote:
mikemilton wrote:
For example If you have a keyword 'animals' that contains 'dogs' that contains 'boxer', when you tag a picture of a boxer, it will also inherit the tags dogs and animals. This is a lot easier than manually tagging all three and, later you can find the picture using any of them.

Can you elaborate on how you have keywords within keywords?


Sure.

You can drag them over each other, or right click and 'create a new keyword within...'


When you search for mammal you will get your dog (and other mammals) and you boxer (and other dogs)

When you tag a pic of a boxer, it will be tagged dog and mammal.



Note that you can have duplicates (and might want them) so you can, in the dog example above) also have:
People>Professions>Sports>Boxer

So you can get a lot of information about your boxer dog by tagging it:
Mammal>Dog>Boxer


quote=jerryc41 quote=mikemilton For example If y... (show quote)


Hmmm, but in this case when you tag your dog as a boxer which set of tags would it inherit? Mammal or Sports Professions? Or both? Very handy if you have a boxing boxer.

I'll play with it to see how it works...
quote=mikemilton quote=jerryc41 quote=mikemilto... (show quote)


Also, you will get both dogs and sports people if you search only using 'boxer' (just like you do on Google hehehe). Oh, you will also get that nice car in your garage.

The answer is you have to use the correct tag. The easiest ways are to drag the tag onto the picture or drag the picture onto the tag. You know it is the correct one because it is in the list under dog.

You can also avoid duplicates, but this is one example where that is difficult.
quote=CSI Dave quote=mikemilton quote=jerryc41 ... (show quote)


Thanks for clarifying. I've been using LR for about a year, but have been lazy about creating keywords. [Yes, I know it's definitely easier to do it during import than after the fact, but I didn't know any better until fairly recently.] I do try to create a folder structure that makes it very easy to find my images, so it hasn't been a big deal yet. After I shoot 10,000 more images it might get a little unwieldy unless I start tagging things.
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