Normal, Fine, Superfine!

Too many choices!

The main stumbling block in digital photography is that all the menus and choices are baffling, especially to the novice. There are just too many things to set and adjust, like file size, file quality, ISO, white balance, that most people keep their cameras on full automatic mode all the time.

Start with some essentials, like file size and file quality

In the days of film, a point and shoot camera meant just that. No fuss, no muss, just pick up the camera, stick in the film, point, and shoot. Take your film to the lab, and as the old Kodak saying goes, “You push the button, we do the rest.” With digital photography there are several menus and camera functions to scroll through before you start taking any photos. To get the best images from your camera, it’s good to understand what all the functions mean and do.

This post explains and gives examples of what the various quality (or compression) settings for jpg files mean on your camera. Your camera typically has two settings that have to do with the capture of the images. They are file size and file quality.

Size Matters

File size has to do with the pixel dimensions of the file. Most people understand that part. For example, a 12 mega pixel camera would have a pixel dimension of 3000 x 4000 pixels. 3000 multiplied by 4000 equals 12 million, that’s where 12 mega pixels comes from (mega = million). You can choose various file dimensions when you are setting up your camera to take pictures. If you just need small snaps of a party, then you wouldn’t need such big files, but on your trip to Niagara Falls, you probably would, because you might make a large print for your wall one day. Here are some typical file sizes to make certain sizes of prints:

  • 4×6 inch print: 800 x 1200 pixels
  • 5×7 inch print: 1000 x 1400 pixels
  • 8×10 inch print: 1600 x 2000 pixels
  • 11×14 inch print: 2200 x 2800 pixels

These dimensions above are for a 200 ppi file. I like to print at 300 ppi, but very few people will notice the difference, especially if your image is exposed properly and of good quality. That brings me to the main point of this post – compression quality.

Quality Matters

Photo showing normal fine and superfineHave a look at the three images here. The first photo was taken with the camera on Normal, the second on Fine, and the last one on Superfine quality settings. What you notice is that on the Normal setting, artifacts (sometimes mistaken for pixelation) occur around the edges of the tree branches. This disappears somewhat on the Fine example, and is almost unnoticeable on the Superfine example. If you cannot see the differences at this size, click the photo and zoom in with your browser (Command/Ctrl +).

PixelsPixelation happens when you view an image at 200% or more. With pixelation you are looking at are enlarged pixels, or squares, and the image looks steppy. Each pixel is clearly defined as a square. Artifacts have an uneven pattern to them. You may notice both artifacts and pixels when viewing an image larger than 100% – i.e. zooming-in to the photo a lot.

Artifacts show up most when you have a solid colour in your photo, such as a blue sky or red car. When compressing, the camera averages out the colours in an area and literally throws out some of the similar colours and decides some colours can stay. This causes bands of colour in smooth gradations. For example, a nice blue sky going from deep blue to a lighter blue, may show banding, especially if the photo has been put on a web site, where typically the quality is less than Superfine. You likely won’t notice artifacts if your image has lots of detail in it, like trees with leaves, unless you zoom in really deep.

One last note

There is no standard way to describe compression. Camera manufacturers use all sorts of terms. Here are a few I’ve come across, but there are several more.

  • Normal – Fine – Superfine
  • Basic – Normal – Fine
  • Good – Better – Best
  • Canon uses these symbols. Smooth is best, stepped is worst quality.

Consult your camera manual to determine which is the best possible quality. My advice: Set your camera on the best possible quality and always leave it there. You can always change the file size, if you need to fit more photos on your memory card.

Wait, there’s even more . . .

Just in case you couldn’t zoom into the photos above, here are two more examples. The first has the highest jpg quality (aka compression) settings and the second has the lowest jpg quality settings and shows the artifacts that result in low quality compression settings. By the way, jpg files always lose some image information, even at the highest possible quality. If you don’t want to lose any image quality at all, you will need to shoot in Raw file format. But that involves a few lessons in post processing the resulting Camera Raw files. But I’m here to teach you that too!

Also keep in mind when working with your files in Photoshop (or other image editing programs) that jpg quality matters when saving files too. If you don’t want to degrade your image anymore than you already have during capture, save the images you edit in a Photoshop native file format (.psd), or a TIFF (.tif) file format. TIFF files have LZW compression, which is loss-less, so don’t worry about that!

Best quality settings

Check out my presentation on setting up your digital camera to find out about more of the important menus. You can also get more information about all of the important menus in my free photo lessons.

Sign up for the free lessons today!

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Marlene Hielema

I teach people how to take better pictures, shoot and edit raw files, and how to use video with their photography

Linda Buraglia-Wood - March 14, 2010 at 8:25 pm

Hi Marlene
I’m Mary McGrath’s friend who unfortunately missed out seeing you on your last visit to Halifax. Mary sent me your website info and I’ve been reading your interesting articles. Just yesterday I went out and bought a Nikon5000 (I know you’re a Canon person!!) but I’ve always had Nikon’s so I made the jump to a familiar brand. It all looks like greek to me at this point!! I’ve done quite a few weddings and had ‘officially quit’ becuase I didn’t trust my old slr anymore. Got another request (for wedding photography) from the same family I’d done 2 for in the past (and couldn’t say no), so this sent me off to get the new DSLR. Just want to thank you for your informative and easy to read photography subjects- I will be reading EVERY one of them-and I know the info will stick- you have a wonderful training/teaching style. (I did a lot of training in the trust company I worked for and you can tell the good from the bad pretty quickly!) Hopefully I will get to meet you next time you are on the East Coast; Mary speaks so highly of you and says we’d get on like a house on fire..haha Regards, Linda
PS your whole website is awesome!

    Marlene Hielema - March 14, 2010 at 8:25 pm

    Thank you for writing Linda, and for your kind words. I’m glad you are enjoying the lessons. Yes, things were a bit busy for everyone when we were there!

    Congrats on the new camera! It’s good to stick with the same brand. That way you get to use your lenses and accessories from your previous camera. Enjoy your new tools!

    Happy Shooting, Marlene

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