Saturday, September 21, 2013

which digital slr to buy? or non-digital?

canon digital camera official website on Canon PowerShot SD770 IS | IXUS 85 IS features:
canon digital camera official website image






I'm looking to buy an SLR camera, but I am on a /very/ tight budget. $300 or less. Is it better to go digital or film? Which cameras do you recommend?


Answer
Canon makes the best Digital SLR in the world today.

I myself own one (Canon Rebel XT) and now they have come up with a new model Canon Rebel XTi I'm sure this one is much better than what I have.

I'm completely satisfied with the features and functionalities of my canon and would highly recommend you to buy this.

You may use the Canon's official website to find out more about the latest models in digital SLRs
http://www.usa.canon.com/consumer/controller?act=ModelDetailAct&fcategoryid=139&modelid=14256

OR you can check out the reviews at
http://www.dpreview.com/reviews/canoneos300d/

The following is the official Canon site regarding the product information. You can pick the camera of your choice of a product released in the year 2000 all the way up to 2006.
http://web.canon.jp/Imaging/news-p-e.html

Happy clicking!!

Cheers,
Suhas.

Which is the better camera & why? Calling all professionals or experienced people please, would be appreciated?




Oh god.


Okay so I have been deciding on whether to get the Sony HX20V (18.2mp, 20x optical zoom lens (focal length 25-500mm equivalent) and up to 12800 ISO). Full specs from Official Sony website here (http://www.sony.co.uk/product/dsc-h-series/dsc-hx20v#/TechnicalSpecs). But today I have been using my step father's Canon EOS 400D with a 90-300mm lens, and I quite liked the zoom, well it wasn't bad for a camera.

Anyway, this evening a few people have mentioned that the zoom on the EOS will be similar to the HX20V (apparantly 300 x 1.6 = 480mm focal length) but the image quality will be better. Not sure how when it's only 10megapixels and a much less ISO rate but maybe someone eloborate, unless it's not true.

So, I have decided to look at the one up from the HX20V, the HX200, which has similar features but a zoom of 30x optical giving a focal length of 27-810mm 35mm equivalent. Full specs available here on the official sony website (http://www.sony.co.uk/product/dsc-h-series/dsc-hx200v#/TechnicalSpecs).

So my question is, in terms of image quality, zoom and all the bits and bobs from your professional guys may consider appropriate for photographs, for example at the airport taking high quality pictures of planes, at the zoo for the animals and so on (not including the fact that the EOS has changable lenses even if this is a significant part of it).... which is a better camera. The Canon EOS 400D with the 90-300mm lens or the Sony HX200?

Thank you so much, I really appreciate it, just I don't want to spend £400 on a camera that isn't all that.



Answer
One of the biggest myths in photography these days is that more megapixels is better. When comparing sensors, the first thing to look at is the physical sensor size.

A Canon 1.6x DSLR will have a 22mm x 15mm sensor, with a total of 329 sq mm.

The typical compact camera has a much smaller sensor, 6mm x 4mm, and 24 sq mm.

In surface area, that means the DSLR will have a 15 times greater sensor area, or is 15 times more efficient at collecting light as does the compact camera.

And by the way, the sensor size on most cell phone cameras is a laughable 4 sq mm, so the typical Canon DSLR will have 90 times more sensor surface area (and Nikon DSLRS - having even larger sensors than Canons will have 93 times more sensor area).

Also, the physical size of each pixel on the sensor (called a photo site) is going to be much larger on a DSLR. A 329 sq mm sensor with 10Million Pixels across it will have larger individual pixels than a sensor that is 24 sq mm with 16Million Pixels across it.

This also means that the larger sensor will be more efficient at gathering light, as there is immensely more surface area. Considering both the megapixel count and sensor sizes, the DSLR ends up with perhaps 30 times the light gathering capability than a compact camera.

Also, the larger lens of the DSLR will let in more light, and on and on it goes.


Myth #2. If a camera has extended specs, it must be better.

Just because there is a setting for it, it does not mean it is actually useable. Even though the compact's ISO can be increased to 12,800, the photo qualities at this ISO will be so poor that it is unusable at this setting. As you increase ISO, noise in the photo increases. Noise are those little random splotches of color that appear especially in large areas of one color in the photo.

And even more laughable are cell phone cameras. One manufacturer is developing a 14MegaPixel sensor for their cell phones - in a 4 sq mm sized sensor. And anyone suggesting this sensor is better than even a much larger 10Mp DSLR sensor is to be ignored as a fool.

What all of this adds up to is...

The DSLR, even at lower ISO settings will have much superior low-light capability than the compact.

Too many people get caught up in looking at the specs of the camera, and not enough time looking at the results. This has been around in photography for many years, and long before digital cameras. There is a name for such people in photography. They are called measurebaiters.




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