ramblings....

あってある生命の最も堅い事が壊しなさい....7 か月はだけであり、, 叫びたいと思うのような感じは.......
多分自殺は右の選択である

Supersonic Wave Filter from Olympus

The Supersonic Wave Filter (SSWF) is a dust reduction system developed by Olympus to overcome the negative effect of dust particles landing on the image sensor of D-SLR. Dust may enter the camera body during lenses changes, so it is particularly D-SLR cameras that are susceptible to this problem. Even the tiniest dust particles or other contaminants that settle on the image sensor may become visible in the image as small grey specks. Olympus introduced the first ever dust reduction technology together with their first digital SLR, the E-1 in 2003, and has been incorporated it in all their E-System D-SLRs since.


The Supersonic Wave Filter works like this:
(1) Ultrasonic dust removalThrough the ultrasonic vibrations (35kHz), dust particles that have adhered to the surface of the SSWF are removed. They are then captured on an adhesive strip at the bottom of the filter. The material used for the filter is free from any kind of reflection. The SSWF consists of a discoid plate and a piezoelectric element.

(2) Preventing dust from reaching the image sensorThe dust reduction system prevents dust from settling on the image sensor by hermetically sealing the space between the SSWF and the image sensor surface. This is achieved by applying a special rubber seal between the image sensor and low pass filter as well as the low pass Filter and SSWF.

(3) Preventing dust from appearing in the imageDue to the space between the sensor surface and the SSWF, dust is not projected clearly therefore it does not block the light and won't appear in the image. In addition, the SSWF is hermetically shielded by a rubber seal so the ultrasonic vibrations do not affect other components. Applying a frequency voltage of more than 35kHz to the piezoelectric element activates the resonant vibrations of the SSWF. The vibrations are flexed vibrations, making it possible to effectively remove dust from the SSWF.

UV Filter....

UV filters are used for general photography to reduce haziness or fogginess created by ultraviolet light.Beside that is also protect user lens from any dirt and from broken from any rough using condition.

A UV filter is transparent to visible light, and so can be left on the lens for nearly all shots. As UV filters are usually inexpensive (about RM 40, depending on size), many people use them as protection for their lenses, although this is subject to some controversy.For this purpose they are preferred over other kinds of filters which are more intrusive, such as neutral density filters.
The UV filter absorbs ultraviolet rays without changing the exposure. With most images, most people will not see a difference when a UV filter is used.

With latest trend of buying slr in the market nowdays, i get to notice that it is getting a lot of fake uv filter out there. Even though the packaging is a branded name but the inside the packaging the uv filter is made from a ordinary glass ( the one use to made window quality) with no uv reflection effect at all, beside that the prices of the uv filter lens had been overprices/ over values as the cost of the uv filter are as low from RM 12 to RM 40 for a normal one, while the branded one cost are RM 35 to RM 60 only...

Screen protector necessary or not?

A screen protector is used to protect the LCD screens of digital, electronic devices. The personal digital assistant (PDA) is, perhaps, the most commonly used gadget for which screen protectors are used because PDAs are operated via a stylus. The tip of the stylus can often mar or scratch the sensitive LCD screen surface, and so screen protectors were brought to market.

The "first generation" of screen protectors were made from very thin films based on the concept that an extra layer between the two surfaces (screen and stylus) would provide the needed protection to prolong the life of the device. These screen protectors came (and still come) in packs of 10 to 20 protectors and are hand-cut by the end consumer to fit the specific device. Such screen protectors, while offering extra protection, did not completely fill the need in the marketplace. They peeled up easily and they scratched almost as easily as the screens, causing the protector to be replaced often.

The newest generation of screen protectors are made from a much more durable film and are designed to be a more permanent part of the gadget which they protect. The material is a urethane based film which is a little thicker than traditional screen protectors (.008 inches compared to .005 or .003), but the film is hardly noticeable once installed. The film originated when the U.S. military was looking for a way to protect the leading edges of their military helicopter blades from abrasive air-born particles (sand) while traveling at hundreds of miles per hour.

There are benefits to both sides of the proverbial screen protector fence. First-generation screen protectors are generally less expensive and can be purchased in packs, enabling the consumer to fit them to different devices themselves. Second-generation screen protectors are more expensive, but offer better long-term protection and are generally made specifically for each individual device, providing the end-consumer with a better fitting protector.



From my point of view; screen protector is totally useless and a waste of money since the prices of screen protector are around RM 15 to RM80++ beside that it also peel off easily and the so called " made from crystal" is totally 100% bluff and got no anti-glare affect as mention by the salesman around kl here...


-advice: not to buy unless the price is RM10 or free gift...
coming soon compact camera UV Filter is it really useful?

Highly recommended.....

hi everyone here is a magazine that i have been subscribe for quite a few month ago....is called Monocle , is highly recommend because it provide readers with a global perspective on international affairs, breaking away from traditional, regionalized journalistic canons by Jayson Tyler Brûlé, Andrew Tuck, Richard Spencer Powell, Dan Hill. Prices is about RM 45 per issue, and its publish only 10 issue a year.

it headquaters is
Headquarters,
20 Boston Place,
Marylebone
London,
NW1 6ER UK.

while the website is www.monocle.com