2011年8月15日星期一

How to get wildlife pictures through field glasses

What do you do on a safari inside the well-known Maasai Mara National Park in Kenya with out a super fancy zoom lens but still wanting to take mesmerizing shots?

Answer: point and shoot camera + binoculars (ok plus a small photo-editing).


I've a Canon PowerShot SD1200 IS with a 3x optical zoom which does an ok job as well as a 12x digital zoom that's by no means satisfying to me. As I was seeking in the stunning Maasai Mara wildlife via my compact and affordable Olympus Roamer 8 x 21 DPC 1 binoculars, I had an idea: what if I could use the binoculars as my zoom lens? It turns out that the PowerShot lens fits perfectly into one of the Olympus Roamer eye-cups cups – voilà!

In the event you take shots without having working with the camera's zoom into the binoculars, you'll generate a bold vignetting effect, at 8x magnification, which makes for a fairly cool artistic touch. The following shots all have been taken working with this method.






A mama cheetah and her two cubs

You really can use your camera zoom furthermore towards the binocular magnification. The result will appear additional like a common zoomed photo, without the vignetting impact.

The results don't have the very same good quality as an actual telephoto lens on a DSLR, but for a fraction of price, I discover the point & shoot + binoculars combo to be fairly effective, with an artistic twist.

Tips:
- Try to align the lens to match the desired vignetting effect: either fuzzy and off-centered or well-defined and centered
- Focus the binoculars first and then get the camera to focus on the subject. If the binoculars are not in focus to begin with, you'll get a blurry or in the very least, fuzzy picture.
- Your picture may look a bit washed out, but that's something easily fixed having a bit of added contrast and saturation utilizing a photo-editing program.

2011年8月10日星期三

Guard versus Hackers in Relation to Bluetooth

Bluetooth engineering allows you to get in touch with any gadgets on this method via the wireless relationship. There are various Bluetooth products, which include: house enjoyment technique, phone, personal computer etc; however the most frequent would be the Bluetooth headset.


Additionally, the actual Bluetooth gadget could be utilized to get to 8 wireless networks, in most cases has to be utilized inside a quick length. So long as it's communication engineering, it could have already been hacked. There isn't any exception to Bluetooth. Wireless Bluetooth fundamentally is secure; however, you still need to defend your details. Even though the Wireless Bluetooth also inevitably has a few safety troubles, but when you choose to do the best preventive actions, most complications might be prevented.

Bluetooth doing work group (Bluetooth Specific Fascination Group, Bluetooth SIG) mentioned cyber criminals need to pass the adhering to difficult processes to invade the Wireless Bluetooth gadget: power two used Bluetooth gadgets to interrupt traces; steal the packet in order to retransmit PIN code; unlock Flag code; in addition, they ought to be in the communication assortment. As well as the optic gadget is typically inside Nine meters.

For Bluetooth phone customers, you'll find 3 types of major threats: Bluetooth identify (Bluejacking), Bluetooth vulnerabilities (Bluesnarfing) and Wireless Bluetooth tapping (Bluebugging). Bluejacking cannot alter your information about the cellular cell phone, but could make you will get spam messages.

Bluesnarfing and Bluebugging allow hackers receive your cell phone manage. Then they could use the cellular cell phone to mail text messages, mobile phone, examine your deal with guide and fasten the World Wide Web. Due to the fact Bluesnarfing desires costly gear and exceptional knowledge, for that reason, you don't have to be concerned excessive. Furthermore, a brand new cellular mobile phone can be proof against Bluesnarfing generally.

The consumers possess many methods to defend the gadget details. Bluetooth functioning group explained Bluetooth end users ought to go ahead and take subsequent actions to safeguard their very own privacy: the gadget is developed to always be concealed mode. This could avoid other individuals from obtaining the machine. This will not influence the utilization, but can allow other folks not discover your system. And also you really should pair together with the just gadget you understand. Usually do not couple with all the system you realize practically nothing, and don't obtain its written content. You need to adjust your PIN program code. When paring the system, make sure you be certain to personal, and modify the fall behind PIN code. Should you can, uses over 8 characters, as well as the PIN code need to be combined with letters and amounts. If you feel that your system might be ruined by invading, make sure you get in touch with the producer. Perhaps it is possible to use it patch to avoid safety troubles.

2011年8月8日星期一

Technological Superiority of Wireless


Worldwide availability:
The features of Bluetooth wireless technologies for our worldwide member firms' no cost use. Several business suppliers are energetic within their items within the rendering of this technology, as a way to limit the utilization of messy wires, to accomplish seamless connectivity, streaming music, transmit information or help make voice communications. Bluetooth technologies is in 2.4 Gigahertz operating band, and also the music group is radio band shipped to unlicensed market, science and technologies, health care (ISM). Due to this, using Bluetooth technological know-how doesn't have to spend any expenses. But you need to sign-up make use of GSM or CDMA from cell telephone companies. Furthermore to gear expenses, you don't need to spend any charge in order to Bluetooth technologies.

Gear Assortment:
Bluetooth technologies continues to be in unmatched broad software, integrated merchandise from your technologies, like phone, vehicles and healthcare tools. The customers employing the method come from the client, industrial marketplace along with enterprise and so forth. The answer involving very low energy usage, tiny dimension and reduced expense computer chip even tends to make Bluetooth technological know-how be utilized to really little gear.

Convenient to use:
Bluetooth technologies is definitely an quick technologies, doesn't demands predetermined infrastructure, and effortless to set up and also setup. You don't should link this cable. It's also effortless to make use of for brand new customers. You only have to have Wireless Bluetooth brand name items, examine the obtainable configuration file, and link the item to yet another Bluetooth machine concentrating on the same configuration files. Follow-up PIN program code movement is basically much like that you simply run on an ATM device. When you are out, it is possible to deliver your very own region network (PAN), and in some cases can link other system.

International common requirements:
Wireless technologies these days is regarded as the extensively supported available on the market while using richest functions and safe and sound wireless regular. International qualification applications can check regardless of whether an item from members is actually complied with normal or not. Since its release of Bluetooth specifications in 1999, a total of more than 4000 companies become members of Bluetooth special interest group (SIG). In the exact same time, Bluetooth merchandise available in the market also has grown quickly. How many merchandise has doubled intended for 4 consecutive many years, plus the quantity of base stations fitted in the finish of 2005 can achieve 500000000.

2011年8月3日星期三

The Importance Of The Bluetooth Headsets And Enhanced 2.4G Headphones


Most Bluetooth headsets and 2.4G headphones are employed two.4G frequency band for transmission, so in the wide sensation, each may be known as 2.4G frequency transmission, but mainly because the transport protocol, dividing into Bluetooth and 2.4 G.
Considering that Bluetooth utilizes the ISM that open up to all wireless band, so it couldn't stay clear of the signal interference from wireless, so the Bluetooth has created speedily determine and reply to fast-hopping to method to wireless interference, including the ZONOKI Bluetooth Headset, which has divided the frequency band into various hopping channel, inside a solitary connection, the radio transceiver based on a specific code sequence constantly from 1 channel " leap "to one other channel, only the sender and receiver to talk is according to this legislation, along with other interference can't be interference because of the exact same legislation; the instantaneous bandwidth of hopping is incredibly slim, but by means of spread spectrum technologies to create the slim bandwidth hundredfold growth into broadband, to ensure that interference consequences could possibly grow to be really smaller.
Furthermore, since the pace of standard Bluetooth transfer is sluggish, only 1Mbps, whilst the CD-level sound transmission wants to attain 1.4Mbps, for this reason standard Bluetooth can only get rid of high-frequency and minimal frequency of songs, generating the sound broken. In look at from the classic Bluetooth transfer velocity constraints, enhanced Bluetooth 2.1+ EDR technologies arrived into becoming, Bluetooth 2.1 + EDR technologies permits the velocity of transmission as much as about 3 occasions from the conventional Bluetooth, upgrade to two.1Mbps, totally meet the degree of the CD specifications. this technologies is mirrored in N- B99.
For your 2.4G technologies, rather than Bluetooth technologies eliminates the troubles with the code, but in addition have to have a receiver. Through the transmission ability , 2.4G and Bluetooth are related. Furthermore, following enhancing 2.4G wireless technologies, with sixteen channels in addition automated frequency-hopping technologies, can resolve the interference trouble. By way of example, A headset using the receiver working with a channel, the outcomes of automated detection from the channel interference, it is going to routinely leap to an additional channel, to stay away from the exist interference. Meanwhile, headsets and also the receiver use two-way communication technologies, which headphones mail packets towards the receiver, the receiver also suggestions packets towards the headphone, in comparison to one another, screening no matter if there is certainly packet reduction there.
Far more than a number of technologies which can make certain accuracy and timeliness of optimum 2.4G wireless transmission, coupled using the transmission fee of 2.4G attain to 2.0Mbps, is far higher compared to quantity of CD 1.4Mbps transmission wants, so that they could accomplish lossless information transmission.