Difference between the D-460 and the D-450 Zoom digital camera

http://digital-photography-school.com/forum/general-chit-chat/63408-difference-between-zoom-macro-telephoto-lens.html

Hi,

Find the difference below

Digital Zoom

1. Digital zoom is a part of digital cameras, and camcorders, which helps to crop the entire image, and then digitally enlarge the size of the viewfinder of the portion that is needed to zoom in on
2. Digital zoom crops the image down to a centred area with the same ratio as the original, and also interpolating the result back up to the pixel dimensions of the original. this method involves cropping, hence the resolution and quality is reduced
3. Digital zoom, crops a portion of the image and then enlarges it back to size. And due to this, image quality is reduced in comparison with the original one.
4. Using the digital zoom allows the user to get closer to the subject when the photographer wants to be discreet about taking pictures, like taking a picture of a person in a graduation ceremony.

Optical Zoom

1. While taking a picture using a Camera to want to get a close shot of the subject without moving physically closer, photographers use the optical zoom.
2. The optical zoom ratio of a digital camera measures how much the lens can actually zoom in to make subjects appear closer. Optical zoom, enlarges a picture while keeping the resolution and sharpness of the picture high.

3. There is no relation between optical zoom and the resolution of the photo, as optical zoom only enlarges the whole image or the subject to a certain range. So image quality only depends upon the mega pixel (MP) of the camera

4. Optical zoom is very useful, while taking a picture of a landscape, or to get a closer view of a subject, without reducing the quality of the entire image, like taking a picture of a Rainbow in the sky.
Regards,
Ron


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Yes this camera supports the SDHC card the difference is more space.

1gb and 2gb are considered regular SD cards. Anything 4gb and above is considered "High Capacity".

try turning off face detection

It's important to understand this difference, as you could be disappointed with the results if you use one rather than the other. Optical zoom works like the zoom on a traditional film camera. When you push the button to zoom in or out, physical lens elements move inside the camera, reducing the field of view and making the object you're shooting appear closer. Digital zoom, on the other hand, has no moving parts. The camera interpolates a small portion of an image to artificially restore the file to its original size. Using its electronic brain, the digital camera analyzes what it sees and digitally zooms in, usually two or three times closer. Unfortunately, digital zoom also reduces the resolution of an image, so your picture will tend to be more pixilated than the same image taken with an optical zoom camera. If you're just snapping an image to e-mail to a friend, this loss of resolution won't be so noticeable. But in situations where the highest quality counts, skip the digital zoom and use your PC's image-editing tools to zero in on your subject.

Yes they do make a lot of difference. Try using your digital zoom a bit - it's like that only without the image degradation (at least for a good lens). Use the search function on the forum. You'll find tons of information and examples. If by some chance you find a b300 for sale don't spend a lot of time deciding to by it - just get it.

The D-490 Zoom shares the following features with the D-460 Zoom: •Olympus 5.4mm to 16.2mm (equiv. to 35mm to 105mm on a 35mm camera) lens: all-glass, 8 element, 6 groups, 2 aspherical lenses •Automatic TTL focus system •Macro mode allows the camera to auto focus as close as 8 inches •Automatic aperture selection: f2.8 to f8.0 wide, f4.4 to f12.6 tele •3x image magnification inspection mode •Panorama mode: Allows multiple pictures to be "stitched" together to create wide views •NTSC video output to TV •12-second self-timer •8MB SmartMedia card included •Built-in, pop-up intelligent flash: Auto low & backlight, red-eye reducing, off, fill-in, slow-sync •Automatic white balance control or 4 manual settings (daylight, cloudy, tungsten light, fluorescent light) •Automatic ISO sensitivity or manual selectable ISO settings •Uses 4 AA size batteries. AC Adapter is available as an optional accessory In addition, the D-490 Zoom has the following functions and features: •2.1 megapixel resolution (1600 x 1200) •Sequence mode - up to 5 shots in HQ and up to 45 shots in SQ mode (1.3fps) •Motion picture mode - up to 60 seconds of QuickTime movie (.mov) format (w/o audio)

The D-460 Zoom shares the following features with the D-450 Zoom: •1.3 megapixel resolution - 1280 x 960 pixels •Olympus 5.4mm to 16.2mm (equiv. to 35mm to 105mm on a 35mm camera) lens: all-glass, 8 element, 6 groups, 2 aspherical lenses •Automatic TTL focus system •Macro mode allows the camera to auto focus as close as 8 inches •Automatic aperture selection: f2.8 to f8.0 wide, f4.4 to f12.6 tele •2x digital telephoto mode •3x image magnification inspection mode •Sequence mode: Up to 10 images at 2 frames per second intervals (SQ mode only) •Panorama mode: Allows multiple pictures to be "stitched" together to create wide views •NTSC video output to TV •12-second self timer •8 MB SmartMedia card included •Built-in, pop-up intelligent flash: Auto low & backlight, red-eye reducing, off, fill-in, slow-sync •Automatic white balance control or 4 manual settings (daylight, cloudy, tungsten light, fluorescent light) •Automatic ISO sensitivity or manual selectable ISO settings (125, 250, 500) •Uses 4 AA size batteries. AC Adapter is available as an optional accessory In addition, the D-460 Zoom has the following functions and features: •Industry standard icons for button labels and operation menus •Easy to use jog dial and button design allows easy menu navigation •2 compression ratios are now selectable in SQ mode •Selectable Sharpness: Normal or Soft •Selectable Memory Mode Setting: Reset camera settings at power-off or Retain all camera settings •2 Olympus brand CR-3V long life lithium batteries included. Provides 20-30 times the power/life of alkaline batteries

The D-450 Zoom is an improved version of the D-400 Zoom. Both models have the following features: •1.3 megapixel resolution •3x optical zoom lens - 2x digital telephoto •Stream-lined compact form design •Automatic focus, metering, and white balance •Built-in, pop-up electronic flash •Real-image optical viewfinder •LCD monitor •Buffered RAM memory; burst shooting •Video output to TV •12-second self-timer •8 meg SmartMedia included. Larger capacity cards available. In addition, the D-450 Zoom has the following features: •A larger buffered RAM memory permits rapid shooting (real-time shooting without having to wait for the image write) and a true sequence shooting in more quality modes: Memory Card Storage Capacity Shots Frames per second Quality Mode 10 2.0 SQ 8 0.8 HQ 4 0.8 SHQ •A new high-resolution glare-free LCD monitor screen that can be easily viewed at any angle and even in bright sunlight. The new monitor also uses less power •Automatic ISO adjustment from ISO 160 to 640. Manually selectable ISO 160, 320, and 640 •New Slow-Synchronization flash mode which enables the use of the flash on shots requiring long exposure (such as night time photography) •Image playback now includes an easier to use index mode of 4, 9, or 16 images. A 3x magnification inspection mode allows easy viewing of image detail •Overall power efficiency has been improved. 1.5 to 2 times more battery life compared to the D-400 Zoom •D-450 Zoom comes in a Champagne Gold finish NOTE: The D-450 Zoom digital camera does not include the Olympus FlashPath floppy disk adapter (which was included with the D-400 Zoom). The FlashPath adapter is available as a separate accessory.

When you change the focal length of a zoom lens, the subject is magnified. Optical zoom replicates the zoom of a 35mm camera. Digital zoom takes a portion of the image's data and displays it at full size, producing a magnification of the original image, similar to the effect of using a telephoto lens. However, the process is different from the magnification produced using the camera's optical zoom, and the stronger the digital zoom, the more the image will degrade.