More digital camera terms

My camera, being a compact point and shoot one, does not produce RAW images, but jpegs. RAW imaging is better. RAW images are recorded unprocessed and uncompressed from the sensor onto a memory card. You then use special software to process it further.

The new DSLR cameras have focal lengths like the old film cameras. A 50mm lens on a DSLR camera has the same angle view as a 75mm lens on a film camera. With the compact digital cameras, sensors come in different sizes. One camera with a focal length of 6.2 mm is equal to 35mm lens on a film camera, while another might be 7.6mm equalling 35mm.

In digital cameras the white balance setting is usually set to auto, but there are possible settings: “auto”, “shade” “tungsten, and “fluorescent”. With film cameras, I remember lessons where we had to learn about getting a proper black and white photo by setting the aperture against a grey background.

Some digital camera terms explained

When I first bought a digital camera, there were only point and shoot types and the mega pixels were much fewer. Mine had only 3.1 and my son now has a mobile phone with 6 mega pixels. So, my camera (with fewer megapixels than the one below) is virtually useless and next I would definitely buy an SLR digital camera.

canon power shot camera

I used to upload some of my photos to the stock sites, like dreamstime, but the size of a photo taken with my camera is now quite small compared with the cameras with more mega pixels.  Dreamstime would specify that we should get rid of noise before uploading. I had no idea what noise was.

NOISE in a digital image has nothing to do with audio.  A digital camera emits photo receptors which are interpreted as black or randomly coloured dots. SLR digital cameras with a medium amount of mega pixels   have less noise than the smaller compact digital camera. But there is still noise. The makers therefore build in “noise reduction”. However noise reduction blurs fine detail. So the best digital camera is the SLR digital camera with a medium amount of mega pixels.

I’ve talked of mega pixels. A pixel is a tiny dot, thousands of which, make up an image. Now one would think that the more mega pixels the camera has , the better, but not so. My brother did research on this before he upgraded. The more mega pixels you have, the more NOISE.

ISO has always been a standard for cameras. In the old cameras before the digital, ISO settings were narrow, from about 50 to 400, 800.  With the new digital camera the ISO can be set to between 50 to 6500. But using a higher ISO can also mean more noise. The ISO determines the speed of the shot you can take: for moving objects you would have a higher ISO and still shots would have a much lower ISO.

More terms expained soon…

How to copy music files from a CD to your MP3 player or ipod

I copy music files from my CDs to my MP3 player so my gym work is less boring.

But it’s quite confusing for an oldie like me to work out how to do that, so I thought I’d write a tutorial.

1. Insert CD into CD/DVD drive

2.  An audio CD dialogue box will appear. Select the music files you want to transfer.

3. Open Real Player. There are other music players, but I use Real Player.

4. Click on CD/DVD on the left panel of Real Player.

5. Go to Tools> CD and Save CD tracks. A dialogue box will appear, but just click OK to that.

6. Insert MP3 Player into USB port.

7. Select music files you want to transfer to portable device.

8. Click on Removable Disk on left panel of Real PLayer and select Add selected clips.

9. Eject CD after music is saved. Note where it is saved.

I’m sure I’ve made a mistake here because every time I check the process, something changes. But you get the idea at least.

Free translation badge for your blog

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What makes a good photo

A good photo is not about the equipment you have. There are many great shots taken on a Box Brownie. It is about composition, aesthetics, perception and the use of light.

There is now a fantastic site which talks about the basics of photography. It is called Photo Tips

Kodak has composed the tutorials. There are rules to photography from taking shots of babies to what you are going to sell on ebay to something you might one day publish. All the basics of good composition and lighting are on this site.

Having a good photo editor is also probably necessary these days. Now, Photoshop and Paint shop pro are the best, but they cost. I have a list of free graphic editors on oz web hub. But here are a couple of new ones, also free.

PhotoPad is one of them. It has an attractive interface and does what most people want when it comes to photo editing. It crops, straightens and corrects colour and removes red-eye.

Photoscape is another. It’s not as good looking as Photo Pad but it functions just like it. It does a few extra things too. There’s a back lighting effect and a ‘bloom’ feature making for glam portraits.

There is another application which does only one thing. ShiftN straightens converging verticals. There’s no preview in this app but if all you want to do is correct that photo you have of the Empire State building, then it’s for you.

Happy learning!

Blogging is good for you

I read in the Green Guide, The Age, July 3, 2008, that research done recently on social networkers and bloggers altered the view of some that bloggers are lonely and desperate people.

Blogging began in 1998 and I couldn’t tell you how many blogs there are out there now. I played around a bit on blogger.com, but didn’t really get into blogging seriously until I got bored with my site. Things were changing so rapidly in the web design world with XHTML and css becoming a necessity as well as PHP, that my site was becoming outdated and I couldn’t keep up with it, because every time something new came up, I’d have to change every page. There is still some useful stuff there by the way, but I now prefer blogging.

I tried another CMS program first for my tennis site, but then decided to up me fees with my host and go for a self-hosted word press blog. Now that required a steep learning curve just in itself.

As you would know if you follow my blog, I turned 60 this year and started up at the gym. But still, I needed intellectual stimulation. Yes I do the sudoku every day, code words, crosswords, killer sudoku and keep up with current events, but I needed more. Well, it seems blogging does just that for bloggers.

Some studies say that blogging fosters critical thinking and feelings of connection and that bloggers feel better about their situation.

US researchers say blogging makes us better thinkers and that blogging can be a powerful promotor of creative, intuitive and associational thinking.

Swinburne University in Melbourne did a study of bloggers and one of their cases said it made her saner. Another said that writing helped her through mental dilemmas as well as discussing them online. My post on Bill Henson’s photography has certainly done that.

Swinburne gives us examples of some of the bloggers’ blogs they interviewed. They are mostly Melbourne bloggers which is my city.

Link

The Brain of a Blogger

Enjoy!

New Amazon widget for MP3 music downloads

Because I'm so vain

I took a personality test and a multiple intelligence test.

Here are the results. The badge ought to take you to the site where you too can take the tests

I bet you take the test too!

Click to view my Personality Profile page

A utility to move files, hard disks to anywhere on the network of your PCs

I have 2 computers networked via a router. The original computer had 3 users on it, so before setting up the new computer we copied many files of the users other than myself. But recently we found that one particular folder of documents hadn’t been backed up and that file was needed over at the other computer.
Now on a networked computer, you’d think you’d be able to share files fairly easily, but I’ve never quite worked that out and we don’t really need to. But now we did. I tried backing up this particular file to disc and inserting that into the other computer’s CD disk. No luck. We don’t have a USB flash drive. We could have burned the file and swapped it over, but all burning happens on the other computer and I didn’t really want that program on my computer (it’s pretty chockers now).

I couldn’t email the file either because I could not get to his documents, only mine. His email is no longer on this computer so he couldn’t so it either.

Then bleeding edge came to the rescue again. I was reading the column in our local newspaper and noted a utility called Karen’s Replicator which could swap almost anything to another section of the network.

So I downloaded it and could find his documents now and move them to my documents and then email the file in question.

Karen\'s Replicator
Guess what! it ended up that the file was ‘write only’. Maybe that had caused many of the other problems! But I just made the file writable again and emailed it again. Sweet!

China's stolen children

I thought I was beyond being shocked, but this engaging and secretely filmed documentary was shocking to us in the West. It isn’t about the treatment of Tibetans, but about the effects of the One Child Policy.

It was aired on the Australian ABC 4 Corners program tonight (21 April 2008)

I’ll just quote here how it is written up:

By one estimate about 70,000 children are kidnapped and sold on the black market in China each year.

Untold thousands of other people are tragically affected by the trade… this film features remarkable access to those at its core: desperate parents searching for a stolen son; a trafficker who brokers deals and who sold his own child; a young couple having to give away their newborn daughter; a private investigator who hunts for stolen children; a boy rescued from traffickers.

In modern China, baby girls can be sold for as little as $500. Boys cost $1000-plus. “China’s Stolen Children” intimately reveals the depth of this tragedy and explores the connection between child trafficking, an alarming shortage of girls and the country’s stringent birth control policy. It’s a link the Chinese Government rejects.

I always disapproved of the idea that the Chinese only wanted boys, thinking that was just a sexist practice, but this program explains why. Given that a married couple can only have one child (and they have to get a permit to do so) and there still seems to be no social security in China and no old age policies, the male child is preferred because the female child, when she gets married, goes to live with the male’s family. Hence if you have a female you have no support in old age.

People must be married (and to get married they must be over 20) and then must apply for the permission to have their one child. Of course, many children are born without those protocols being met, in which case the child will be a non-person. So the parents of those children must pay a large fine. What if they can’t pay it? They can find themselves in a situation of having to sell their child. And there are many couples who can’t have children. Supply and demand realizes the need for traffickers, who make a large cut for themselves of course. We see all this in the film.

There are other consequences of the One Child Policy. The detection of the child’s sex by scanning is illegal in China, but of course ignored for the reasons I just gave. Female foetuses are regularly aborted. Hence, there are now millions of men of marriageable age who will never find a wife.

I’ve never been a supporter of Communist China in that (though I’m a Marxist), I never considered that Mao was anything but a dictator and not the product of a socialist revolution. Mao was a Stalinist and got rid of millions of people, who might have threatened that dictatorship. The “Free World” has us believe that all Communist countries will inevitably be run by a dictator. I reject this notion.

Anyway, I was shocked because you don’t get to see much that really goes on in China. Of course, trafficking of women and children go on in other countries, but the government doesn’t seem to be addressing this problem in any way. Is the One Child Policy still viable? Is it still necessary? Why not educate the population out of the old customs of the female bride always having to go to the males family to live?

My heroes: the reporters and the Chinese people who allowed this film to be made.