Comments on: Coincidence

By: Dreher

Dreher — Sun, 28 Jun 2009 00:16:12 +0000

when you look at videos made by the d90 or the rebel t1i/500d you see that, besides video compression and rolling shutter, moire is a third issue.

you get moire when the camera’s sensor does not have enough resolution to capture the projected image. to prevent it, dslrs have low-pass filters that blur the image, only letting through those patterns that extend over a wide enough part of the image, so that the sensor can resolve them. to see what happens without a low-pass filter, just look at leica’s m8.

in dslr video however, since only about every third row, and every third column of the sensor is read out (today), the sensor resolution is effectively lowered while capturing video. so the low-pass filter becomes too weak, and the unavoidable consequence is moire.

i believe the only way to fix this is to read out the whole sensor for each frame. the camera would then compute an additional low-pass in software, like a gaussian blur, to obtain the 10% of the image that makes up the 1080p or 720p video frame.

maybe next generation? d400? would be very cool. my wishlist: 1080p24 and 1080p30, electronic shutter, full sensor readout, h.264 compression. chance of that happening? i am pessimistic.

By: Alex

Alex — Sat, 27 Jun 2009 05:42:44 +0000

I should rephrase that first sentence:

why would he buy a D5000 if a D300s was coming out and *he knew about it*?

By: Alex

Alex — Sat, 27 Jun 2009 05:41:48 +0000

why would he buy a D5000 if a D300s was coming out? I mean, he clearly did buy a D5000. He has video footage on that blog that was taken with it.

By: Mike

Mike — Sat, 27 Jun 2009 04:54:31 +0000

I’ve written this once, and I’ll write it again. Scott Kelby is a Photoshop jockey. He is a decent wedding and portrait photographer (according to some people, but I think his stuff sucks, hence the reason he uses photos from iStockphoto in some of his books, along with his own), but he is not a Nikon endorsed photographer. Being endorsed by Nikon as a photographer is one of the hardest things possible, if you look at their track record: Joe McNally, Joel Sartore, crikey, even Arnold Newman did ads for them. Art Wolfe was declined by them before he went to Canon, who sponsors Avril Lavigne for Christ’s sake. (Nikon’s using of Kate Moss was for a point & shoot, so that’s different) Just because Nikon sponsors an event he works with, doesn’t mean he is privy to diddly-squat gear wise. Especially since he promotes Capture NX’s competitor.

By: [NR] admin

[NR] admin — Sat, 27 Jun 2009 04:06:07 +0000

yes, you probably are right, but do you expect Terry White to say “Yes, I am getting the D300s from Nikon and I want to sell my D300 now before the price drops?”

By: Alex

Alex — Sat, 27 Jun 2009 03:52:26 +0000

Not to be snooty or anything, but I think I was right:
http://terrywhite.com/techblog/archives/2570

By: Dweeb

Dweeb — Fri, 26 Jun 2009 22:06:11 +0000

Hasselbalds, Hasselhofs, you get the idea.

By: Dweeb

Dweeb — Fri, 26 Jun 2009 22:05:00 +0000

The guy’s a multi-millionaire that could afford stereo Hasselbalds. This is just a bunch of drivel to get the fanboys going. End of story.

By: Haf

Haf — Fri, 26 Jun 2009 06:12:42 +0000

I will soon be selling my D700 to buy a point & shoot (it will be a Nikon for sure, but I haven’t decided on the model yet)

By: nkuser

nkuser — Fri, 26 Jun 2009 04:23:47 +0000

Don’t get sponsorship confused support.

By: mark

mark — Thu, 25 Jun 2009 22:25:57 +0000

There is a nikon rep on almost every episode with a tip.

By: Toby

Toby — Thu, 25 Jun 2009 22:10:55 +0000

@Micah: It would be new *to the D300 series* and thus, not a minor upgrade. If they were going to change the sensor (an electronic shutter is part of the sensor) then they would likely change other things as well.

P.S. Learn to read plz.

By: Bonzo

Bonzo — Thu, 25 Jun 2009 21:44:01 +0000

coin$idence, yea right

like those commercials for washing powder…

By: dave

dave — Thu, 25 Jun 2009 21:20:03 +0000

D90 is now 6yrs old in dog years. It was announced September ’08

By: dave

dave — Thu, 25 Jun 2009 21:12:46 +0000

I’m selling my laptop and getting an abacus. You do the math

By: gcardinal

gcardinal — Thu, 25 Jun 2009 11:13:31 +0000

Sorry but this is not a good post. Scott lost his D300 camera (it was later recovered, but he purcased D5000 in need of a camera). It has nothing to do with D300s or anything. It just a guy who lost his gear, and got a replacement. Thats it.

By: Alex

Alex — Thu, 25 Jun 2009 05:25:37 +0000

I think you’re thinking of Joseph Nicholas Spina. http://www.youtube.com/user/Lilkiwiguy87

PS – I’m a different Alex than the Alex whose post we’re discussing xP

By: [NR] admin

[NR] admin — Thu, 25 Jun 2009 02:38:23 +0000

thanks guys!

By: Micah

Micah — Thu, 25 Jun 2009 02:36:30 +0000

I make prints!

…but I’m not going to buy another crop sensor cam. Ever. (well a point and shoot upgrade is nearing, but that’s not what I’m talking about.) I will say that 12mp make stunning enlargments that whip 35mm AND most of the MF shots I see–for resolution/sharpness that is. The camera doesn’t make the images. If it did I’d be out of work.

It’s a d800 or D3x by the end of the year. And yeah, I make 20×30′s regularly. Just ask me about it if you wanna talk shop.

By: Micah

Micah — Thu, 25 Jun 2009 02:31:50 +0000

uh, is that the same old Alex that’s full of crap and has a website about him saying so?