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3
votes
2answers
317 views

Nikon D5100 half bright-half dark image with horizontal thin black line

I am getting half bright-half dark image with horizontal thin black line on my Nikon D5100. Does anyone has any idea ? i am extremely worried. Warranty just expired. I have sample images uploaded at ...
2
votes
1answer
98 views

Signal:noise ratio not really decreasing with ISO for Pentax

In SNR graphs for Pentax K-30 and Pentax K5 there is something I do not get. For ISO after 1600 the SNR doesn't really decrease. Moreover comparing with Nikon D3200, we can clearly see that until ISO ...
1
vote
4answers
429 views

Question About the D600 Dirty Sensor Test - Why Use a High f-Stop? [duplicate]

There is a lot of buzz about the dirty sensor problem on the D600, which is apparently caused by some lubricant splattering onto the sensor and accumulating over time. My question is about the test ...
4
votes
1answer
667 views

How to show Sony NEX F3 image quality is better than Nikon 1 J1?

According to this site, Sony NEX F3's sensor is 3x as large as Nikons, and it's image quality is 73 vs Nikon's 56 (how on earth do you come up with a number for this?). I have been experimenting with ...
3
votes
2answers
317 views

The Lowdown on Image Quality on DSLRs

I have seen sites that use measure DSLR performances with Image QUality (in numbers). So I was thinking, given a D800 and a D7000, with the same lens, the same lighting condition and many other ...
6
votes
2answers
609 views

Why does my sensor require frequent cleaning?

I have a Nikon D300 and in the past couple years I've found that it seems to require sensor cleaning very frequently, something like once a week or more. I've been dry cleaning with a combination of ...
9
votes
4answers
2k views

Given the same lens, does shooting with FX cameras yield sharper results than DX cameras?

I have a D7000, and I want to buy a D800 sometime next year because of a "foolish idea" that FX cameras yield sharper images over DX cameras. I am quite new to photography and did my research. ...
0
votes
2answers
4k views

What is the difference between APS-C and Full Frame sensor? [duplicate]

Possible Duplicate: When do the differences between APS-C and full frame sensors matter, and why? I was doing research in buying the Sony NEX-7 camera, but today the news was all about the ...
11
votes
3answers
474 views

How does the D800E reverse the effect of an antialiasing filter by adding another filter?

According to http://mansurovs.com/nikon-d800-vs-d800e the D800E differs from the D800 in that one of the layers of the filter reverses the effect of the initial low-pass filter. How does this work? ...
5
votes
2answers
3k views

Why is the sensor size small in D3100 as compared to D3000?

I thought Nikon D3100 must be more advanced than D3000 (because of the higher number and the increased price). But, the D3000's sensor size is 23.6mm x 15.8mm and the D3100's sensor size is actually ...
2
votes
1answer
592 views

Why does my Nikon D90 make a strange sound during built-in sensor cleaning, when my friend's D90 doesn't?

I noticed a quiet sound (like squeaking) when using the built-in sensor cleaning of my Nikon D90. In some forums I read about many people having this behavior with the Nikon D700 and some Canon ...