Alley in Pisa, Italy

by Lars Kotthoff

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43

It's not the lens that makes the picture, nor is it the camera body, nor is it I'm afraid the photographer. It's a system of integrated parts that work together that produce an image, no one part can claim all of the credit. The popular viewpoint that it's the photographer that matters not the gear, doesn't tell the whole story. I agree with the sentiment ...


41

This indicates the plane that the image sensor lies in, so you can use to calculate the exact distance between your subject and your "film".


26

A great resource for looking at camera bodies and shutter life is the Camera Shutter Life Expectancy Database. For those that have DSLR's, spread the word and submit your #'s! Different camera bodies have different MTBF ratings. Some more important factors are how the person cared for their camera and the typical environment. Regular dust cleaning, for ...


22

The mirror has to be a lot bigger for 4x5, particularly at 90 degrees to the axis the mirror flips about. The shutter also gets bigger in the direction it has to move (there's a reason the shutter moves up and down not left to right). This means a slower moving mirror and shutter. Another consequence of the bigger mirror is the lens mount has to be further ...


20

I put together a translation table in this answer: EOS 1100D = EOS Rebel T3 = EOS Kiss X50 EOS 1000D = EOS Rebel XS = EOS Kiss F EOS 650D = EOS Rebel T4i = EOS Kiss X6 EOS 600D = EOS Rebel T3i = EOS Kiss X5 EOS 550D = EOS Rebel T2i = EOS Kiss X4 EOS 500D = EOS Rebel T1i = EOS Kiss X3 EOS 450D = EOS Rebel XSi = EOS Kiss X2 EOS 400D = EOS Rebel XTi = ...


19

Choose (1) or (2): (1) If you want this board to tell you that you should buy a new body or lens: Yes, you should buy a new body and lenses. I think you could greatly improve every aspect of your photography by purchasing a D300 or D700, and a select group of Nikkor f2.8 VR lenses. They will make a world of difference. (2) If you want to hear the truth: ...


17

This has certainly been done with medium format SLRs that have interchangeable backs (e.g., Leaf and Phase One backs). For a 35mm camera, the situation isn't nearly so positive. There was once a company that claimed to be working on a digital sensor that would be shaped like a 35mm film cannister with the sensor sticking out roughly like the film tongue. ...


17

It depends where you draw the line. Many "pro" level cameras use full-frame sensors, which are about twice as big in area as the APS-C sensors common in lower (including mid-range) dSLRs. This gives an advantage, because surface area is the best way to get more light, and more light is never bad. So, more expensive cameras will have an image quality ...


17

Quiet mode slows down the motion of the mirror when it goes up and delays it going back down until the shutter-release is released. Normally the mirror going up and down is the loudest noise the camera makes. So slowing it down causes a longer shutter-lag but makes less noise. Also, the mirror normally comes back down immediately after a shot is taken so ...


17

Magnesium alloy is one of the most preferred material used in DSLR Bodies, Laptops and other Gadgets. It is a mixture of Magnesium and alloy which is often aluminum, zinc, copper, silicon, zirconium and other minerals, and to answer your question why not aluminum? Well, not only aluminum but a combination of the said minerals. This mineral is also used in ...


16

There are plenty of things that you get by spending more on a camera body. It is up to you to decide which one is important to you: Sensor: The sensor is the most expensive feature. Bigger sensors cost a lot more and give higher image quality. Depending on the model, you may get superior low-light performance, higher-resolution, higher-dynamic range or a ...


16

The simplest is to compare them side-by-side. This will give you specification differences. Then you have to divided the differences into two groups: Ones that matter to you and ones that do not. For example, some DSLRs have a sync-port. Some people look for it, some do not. A top shutter-speed of 1/8000 vs 1/4000 does not matter to everyone either. Some ...


15

I believe this is for the simple reason that many people buying "pro" bodies will have been DSLR/SLR customers previously and will thus have an existing lens collection so are unlikely to need as many different options in terms of bundled lenses. The digital rebel end of the market is still capturing new DSLR customers who are upgrading from ...


15

Weather Sealing is protection of the internal parts of a camera from external influences such as moisture, dust, and humidity. The degree of this weather sealing varies between manufacturers and also within models by each manufacturer. The protection is provided by both rubber sealing with silicon rings and gaskets as well as design considerations such as ...


15

I don't know what specific model rotary wheel Nikon used in that camera, but moving it fast shouldn't cause any excessive wear. These rotary wheels are usually just rather simple mechanical switches. There are usually two separate switches. Each goes thru one complete cycle each detent, but the two are off from each other by 1/4 cycle. The fancy name for ...


14

Other camera types that I can think of, in terms of digital, would be: Cell Phone - Destined, I think, to ultimately replace, or at least supplant, the point and shoot. They currently represent what is the most likely camera for a person to be carrying and that is what gives them advantage: the camera you have with you is infinitely better than the one ...


14

Canon So far what we know based on ML work DRYOS version 2.3, release #0023 5Dm2 500d/T1i 50D DRYOS version 2.3, release #0039 7D 1Dm4 DRYOS version 2.3, release #0043 550d/T2i DRYOS version 2.3, release #0044 or #0049 5dm3 EOS M DRYOS version 2.3, release #0047 60D 600D/T3i 1100D/T3 I'm generalizing but I see in Canon P&S they ...


13

Different camera shutters are rated for different numbers of actuations as you state so that should influence how many is too many. Also actuations will roughly correlate with how well used the camera is, so that might indicate wear or the mount / body / battery. Battery wear is probably most significant. Having owned SLRs that have had shutters fail from ...


13

A Word About Shutter Ratings Shutter actuation counts are computed in a similar way to hard drive "mean time before failure" ratings. It is impossible, practically speaking, to physically test a hard drive under normal usage until it physically dies enough times to actually get statistically useful results. If a company tried to, they would spend some 11 ...


13

Sometimes the AF motor in a lens is a screw and gear type, and in that case it's really not much different to an in-body motor except that it actually has the disadvantage of being more bulky. This is the case on many lower cost lenses (including many kit lenses). At other times the AF motor in a lens is of the ultrasonic motor type, which uses direct ...


13

Those cameras are only limited by the fact that they lack a reflex mirror to form an image through an optical viewfinder. By the same token, DSLRs are limited by the fact they need a reflex mirror in the optical path. What does that mean? In terms of image quality, nothing. There are currently mirrorless cameras using the same sensors as DSLR. Even those ...


13

Any modern DSLR will be just fine, you don't have to invest too much in the camera body (maybe not get the lowest-end model, but the second-lowest-end model is usually quite nice and will do everything an amateur will need for at least a few years - for Canon this is the 650D/T4i, I don't know the model numbers for other brands). Also, the "bad" kit lenses ...


13

Canon lists the body-only mass of the 60D at 675 grams and the 600D at 515 grams. These numbers are without batteries. Include the batteries and the 60D is the 755g you quote in your question, but the 600D is only 540g. The 60D chassis is polycarbonate resin (plastic) with glass fiber on an aluminum chassis and moderately weather sealed. The 600D chassis ...


12

Depends on the camera, but most DSLRs that I've used indicate the metering information (shutter speed, aperture, and ISO) using visible numbers that appear inside the viewfinder. When you half-press the shutter, the camera meters the scene and indicates the settings it will use.


12

ac·tu·ate [ak-choo-eyt] –verb (used with object), -at·ed, -at·ing. 1. to incite or move to action; impel; motivate: actuated by selfish motives. 2. to put into action; start a process; turn on: to actuate a machine. You pretty much have it. A shutter "actuation" is the opening and closing of the shutter when a picture is taken. It should ...


12

When comparing film to digital cameras, you need to compare apples to apples. I searched for the EOS 1, EOS 1Ds and EOS 1DsMk3 and found a surprising fact: the EOS 1, when equipped with the battery and motor drive extender (grip) which brings it to about the same physical size as the EOS 1Ds/1DsMk3, becomes almost the same weight and even heavier! EOS 1: ...


12

You are actually getting it wrong! It is the lenses which you would probably have with you for years maybe even decades. The body you will keep upgrading. My suggestion would be getting a decent enough body and invest on Lenses. If you are starting getting a mid level camera with the kit lens. And for a start get the 50mm prime. The kit lens is good enough ...


11

It's the photographer that makes the picture, not the camera, lens or lighting equipment. The reason for the advice to invest in lenses is that for most cases the cheap DSLR bodies are good enough and you simply won't use the features of the more advanced bodies - while you will see the difference with the better lens. My advice is to find the factor ...


11

Pros of using an EVF as opposed to the rear LCD screen: It is easier to see in direct sunlight. Holding the camera to the eye increases stability and comfort (especially with heavier lenses). EVFs offers diopter correction so users don't need to wear eyeglasses.



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