Not Your Everyday Banana

by Bart Arondson

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3
votes
2answers
630 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 ...
6
votes
2answers
259 views

What are the lens-mount benefits of mirrorless systems?

There are plenty of comparisons between DSLR cameras and mirrorless/EVIL/system cameras, and the overall picture is that the two systems target different users and different uses. But I'd like to ...
1
vote
4answers
245 views

Have DSLR sensors made improvements since the transition to CMOS?

I know that CMOS sensors appeared in the beginning of 90s, and evolved up to 2000s. I'm mainly talking about high ISO photos quality. For example, Canon 5D mark 3 has better results in high ISO tests ...
3
votes
2answers
2k views

Why is on sensor PDAF drastically slower than traditional PDAF?

Why is on sensor PDAF drastically slower than traditional PDAF? I assume the technology is the same, doesn't matter if the module is on the sensor or located behind a mirror. But the performance is ...
8
votes
6answers
487 views

Why is the main sensor not used instead of the separate AF sensor to focus a DSLR?

From this answer I understand that the reflex mirror of a DSLR is actually not reflecting all the light, but it passes a certain amount on to the AF sensor. So if the reflex mirror can pass light, ...
6
votes
1answer
419 views

Where is the AF sensor located in a DSLR?

As I understand every DSLR has a separate, smaller sensor that handles phase detection focusing. Where is it located? If this location is different for every DSLR, and therefore this broad question ...
5
votes
3answers
2k views

How common are hot pixels on new cameras?

How common are hot pixels on new cameras?! I read that people may check up to 5 cameras at stores to actually find a perfect one, is this true? so how commons is this? what is the chance of getting a ...
0
votes
0answers
38 views

Can hot days damage your camera? [duplicate]

Possible Duplicate: What will happen to a camera if it is taken to an environment beyond its operating temperature? I have a canon t3i and I am curious to know just how much heat they can ...
5
votes
2answers
4k 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
2answers
279 views

What is the meaning of “cropped sensor”?

What is the meaning of the term "cropped sensor"?
5
votes
1answer
801 views

Does this look like a sensor problem?

I have these tiny dots in a lot of my pictures. They look like tiny stars. On this Nikon D60 I've tried cleaning the area where the shutter is (what's this called?) with a hand pumping duster, but ...
12
votes
4answers
471 views

Are the sensors of newer DSLRs better beyond just having more MP?

I have a Canon Rebel XTI now, and am considering upgrading my camera body at some point. Aside from the increase in megapixels have there been other improvements to the CMOS sensors of the newer ...
8
votes
7answers
1k views

Why has no one invented a 4:5 aspect ratio APS-C/35mm-sized DSLR?

People keep inventing different form factors and formats for cameras, but none seems to have hit on what seems (to me) like an obvious one. Why doesn't somebody build a camera with a sensor that has a ...
11
votes
3answers
840 views

What are differences between Bayer mosaic and Foveon 3 layer sensor?

To filling my appetite on camera things hunger I've came across to Sigma website and found this 3 layer sensor stuff. Can anyone really explain this based on their experience or research about this? ...
19
votes
3answers
4k views

What is meant by the “native ISO” when talking about DSLRs?

The new Nikon D7000 is out, and a lot of previews has touted the "native iso" of D7000 to be 100. What does this actually mean? I'm assuming it means it performs at its best at iso 100, which means ...
26
votes
11answers
2k views

What is the best way to clean the sensor on a digital SLR?

I've got a couple of spots of dust on the sensor of my Canon 20D - a rocket blower isn't shifting them, and I'm ridiculously scared of some of the more direct methods for cleaning sensors -- what ...