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Questions about the non-lens portion of cameras that have interchangeable lenses

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46
votes
10answers
3k views

Is it lenses which make your photographs, not camera bodies?

I read somewhere on this site itself that you should spend more on your lenses and less on your camera bodies. Is it a myth or a fact that mostly it is the lenses which make your photographs not the ...
18
votes
4answers
9k views

How do camera body motors compare to in-lens motors for focusing?

What is the difference between using a motor on the camera body and the motor built into lenses? Aside from how both compare in terms of speed, what differences would I notice if I use a body with a ...
26
votes
5answers
50k views

How many actuations are “too many actuations”?

When looking at used camera bodies, a question that comes up a lot, is "how many shutter actuations, or clicks, does it have?" What I am wondering is, how many is too many. In other words, is there ...
18
votes
1answer
1k views

What does the theta symbol near the flash represent?

On my camera, between the mode dial and the flash, there is a white theta symbol. I've also seen it on review sites in pictures of other cameras, often in different locations but always near the ...
6
votes
1answer
174 views

What characteristics make a digital sensor good?

Generally, the technical image quality of a digital image (before we get to the post-processing stage) is the product of the characteristics of the lens and the recording medium, with an important ...
13
votes
3answers
3k views

What makes a camera 'weather sealed'?

What is the structural and mechanical differences between a weather sealed body and a non weather sealed body? Is weather sealing still effective if the lens isn't weather sealed?
18
votes
1answer
1k views

What's the difference between the levels of weather sealing on DSLRs (e.g. 50D vs 7D vs 5D vs 1D)?

My Canon 450D can (or at least has) survived light rain, condensation in the cold and a little icing up overnight during astrophotography... The various different levels of camera above the ...
21
votes
0answers
568 views

Is Image Stabilization better in the lens or the body? [duplicate]

Possible Duplicate: What is the difference between in-lens image stabilizing and in-sensor image stabilizing? Some DSLR manufacturers have image stabilization (IS) in the body of their ...
18
votes
8answers
14k views

Is it possible to convert a film SLR to digital?

This may well be a question to which the answer is "can't be done," but I was wondering whether it was possible to convert a film SLR to a DSLR by putting a sensor in place of the film. I have a bunch ...
17
votes
4answers
14k views

What are shutter actuations?

I was just reading the question How many actuations are "too many actuations"? and trying to figure out what a shutter "actuation" actually is. The only thing I can guess is that it's the number of ...
8
votes
2answers
5k views

Are mirror-less cameras good enough to buy instead of a DSLR for home/amateur use?

I'm an amateur photographer looking to buy a camera for my home use. I called myself "photographer" just because I actually can press the button and take a photo! My first digital camera was VGA ...
8
votes
1answer
2k views

What are the technical advantages and disadvantages of mirrorless?

The main doubt one can have about mirrorless is, I think that they do not provide ttl viewfinder. Is this a big disadvantage? In what way is it worst (or best) than classical reflex system? What are ...
4
votes
3answers
909 views

What operating systems run on today's DSLRs?

I was just wondering if anyone could provide names and a bit of background on the Operating Systems the current day DSLRs (namely, Nikon, Canon) use.
10
votes
3answers
517 views

What do you get for spending more money on a camera body?

I'm looking at DSLR bodies, and I have only one real feature I'd really like to have -- 1080P video recording. I'm looking at Nikons here for this example, but only for illustrative purposes -- I'm ...
8
votes
3answers
554 views

What motor gets used if both lens and camera body have a focus motor?

If both a camera body and lens have motorized autofocus, would one be used over the other or would both work in tandem to speed the focus process along?
5
votes
1answer
733 views

What is an “image plane indicator”?

There is a symbol, a circle with a horizontal line passing through it, on the right side of the top-plate LCD of my Pentax K-5: This symbol also appears on my Pentax K-r on the left side of the ...
5
votes
3answers
337 views

What sets apart DSLRs in different price levels?

I was going through different models of Canon and found that the price range of the camera body for entry level DSLR is lesser than the semi-professional DSLR although both of these range of cameras ...
7
votes
5answers
656 views

Why not have the diaphragm in camera body instead of the lens?

Why is the diaphragm to control the amount of light entering the camera typically in the lens and not the camera body itself?
4
votes
3answers
2k views

Is there any bridge camera with an interchangeable lens?

In another question, I read that to begin with a budget of 250 Euro max, I could get a bridge camera. But are there any with the possibly to change the lens?
3
votes
3answers
739 views

After 2 years of amateur photo, buy a new body or a great lens?

Two years ago I bought my first DSLR. Since then I have bought and inherited some lenses. What should I buy next, a better body or more lenses? I enjoy photography but I do it fewer than I'd like (not ...
1
vote
1answer
257 views

Can I save money on lenses by buying a Nikon camera with an in-body autofocus motor?

I have dilemma what camera is better Nikon D5100 or D90. The first one is newer but the second one has lens servo ("screwdriver") motor. My question is: can I save some money overall with the more ...
14
votes
3answers
1k views

Why is there a mechanical shutter in a digital camera?

I understand that in a camera the diameter of shutter opening — the aperture — controls how much light comes in, and this affects the resulting exposure. But I don't understand why, in a digital ...
5
votes
5answers
3k views

Why does my new camera appear to have over 3000 photos taken already?

I just bought a new Canon EOS 60D and a new 8GB SDHC card. When I started it the first time I realised that the shutter count on Battery-Information-Menu was at 256 taken photos. I made a few shots ...
1
vote
2answers
161 views

What are all the options or features a DSLR camera body can have?

I was curious to know if there was a place that lists all the options that are possible on a DSLR camera or even which cameras have them? for example: Video recording, Night vision, The speed in ...
10
votes
2answers
943 views

What is Quiet mode on a DSLR?

I've heard that some newer DSLRs have a "Quiet" mode that reduces the noise the camera makes when you take a picture (as mentioned in answers to some questions) How does it work? Are there any ...
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 ...
7
votes
5answers
2k views

How important is a backup camera body?

I've read that a professional photographer should have at least two camera bodies, with one serving as a backup. How important is it to have a backup camera body? Consider both amateur and ...
6
votes
2answers
348 views

How to clean an oily spot from the camera body?

This is very trivial. You are eating some food, you grabbed your camera for some reasons and inadvertently you left an oily finger print on your camera. It should be easy to remove right? But it ...
3
votes
4answers
2k views

How to tell if an impact to the camera caused any damage?

Today I dropped something on my camera's body, on the back of camera on image magnifier buttons. there is no signs of damage on the LCD or body and the buttons are working. I actually dropped the ...
11
votes
3answers
517 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? ...
7
votes
6answers
232 views

Is it technically possible to build a camera body to correct for lens defects?

Most lenses tend to be expensive because the lens needs to be very complicated in order to correct for various optical effects (aberration, etc). Is it possible to build a sensor and processor ...
5
votes
3answers
224 views

Should I consider spending more money now on a body if I don't plan on upgrading anytime soon?

I know the general advice is to spend money on lenses and avoid spending on the camera body. However, I'm in a position where I intend to purchase a camera to last for 15 or 20 years. I'm not a ...
5
votes
3answers
443 views

In film cameras with film advance levers, what happens if I don't crank the lever all the way?

In film cameras with film advance levers, what happens if I don't crank the lever all the way? Will the lever 'remember' the last position it was at and keep the shutter button locked until I crank it ...
4
votes
4answers
248 views

How small can current SLRs get and still give comparable photo quality?

Let's take the full-frame Canon 5D as example. How small can this camera be and still give comparable picture quality? What are the design constraints? Besides the sensor, the body, can the lenses ...
2
votes
1answer
428 views

How important is lack of color matrix metering and 100% viewfinder in Nikon F100 compared to Nikon F5?

I'm planning to buy a film camera. I'm undecided between Nikon F100 and Nikon F5. The major differences that I could figure out from Thom Hogan's review are: Pro F100: F100 is lighter than the ...
1
vote
3answers
194 views

When a lens and camera are callibrated together, which is changed, and might other lenses be adversely affected?

I wonder what exactly is the calibration of a camera body and a particular lens. I know the effect, but how it is achieved? I recently bought 80-200 (the two-ring version), I was waiting for too ...
-2
votes
2answers
381 views

What is the bill of materials for a typical single lens reflex (or mirror-less) camera? [closed]

How does the bill of materials for a camera contribute to the actual cost and/or price of the camera and how do the hidden costs in developing, manufacturing, and marketing a camera to the public ...