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Monday, December 26, 2011
Tuesday, December 20, 2011
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Wednesday, December 7, 2011
PADI Advanced Open Water Course - Underwater Photography
Creating art is one thing, creating art in a different universe is taking it to a new level, and the lower you go, the more fun it is with the PADI Advanced Open Water Course; Underwater Photography. Telling people what you saw when diving in Bali, compared to showing them what you saw while scuba diving Bali, really makes the old axiom shine that a pictures says a thousands words.
The brief for the Advanced Open Water Underwater Photography dive should cover the planning, organization, procedures, techniques, problems and hazards of underwater-photography diving, you will also learn some photographic principles, composition, film types, flash /available light photography and camera-handling techniques as well as the preparation, care and maintenance of photographic equipment. In the PADI Advanced Open Water Course you will do one dive for Underwater Photography this dive can apply to the Underwater Photography PADI Specialty which will require one more dive.
The main idea of the PADI Underwater Photography Specialty is to get you comfortable with a camera while scuba diving. Shooting pictures underwater offers lots of challenges you have to take into effect the fact that water and air have different properties and so behave differently, as you descend deeper into the water you lose colors first the reds then the yellows then the blues.
The part that most divers have difficulty with for getting the best pictures is the distance from the object you are shooting & getting the light right. Getting the light and distance correct will take some practice. A great thing today is that many underwater cameras are digital so you can shoot as many pictures as you like. I tell students to shoot many more pictures than you will want and to check as you are shooting.
Another consideration is your safety, many times divers concentrate so hard on the photography that they can potentially hurt themselves because they are not paying as much attention to the environment as they should, which is a strong reason for doing your first dives with a camera under a PADI Open Water Instructors supervision.
The course will teach you the correct way to prepare your camera for submersion and how to clean you camera after your dive. Making sure that you prepare your camera and more importantly, your camera housing before a dive is critical; as a flood of your housing almost always results in the camera being ruined. A camera can flood for many reasons with the main reason being something like a hair or a single grain of sand in the seals, which can be enough for the housing to leak, which is why great care is always taken in this step to be extra vigilant of foreign debris on the o-ring or the o-ring seat. You should also examine the camera for cracks or "spidering" which usually means that you need to get a new housing. Some divers go so far as to bring magnifying glasses to inspect the seals and the camera before a dive! Actually having a magnifying glass underwater is a great idea for looking at the detail on some of the small stuff like nudibrachs and small crabs and shrimps!
Underwater lights & strobes are a common feature on expensive underwater cameras that can cost upwards and beyond ,000 dollars. For the advanced lights and strobes preparation and care is a whole separate area of study. Some underwater lights burn so hot that you cannot turn them on outside of the water, or they will burn up! These advanced lights and strobes need large battery packs to support them underwater which have their own special considerations. For most simple underwater lights and strobes following the basic care of the camera will also work for them, mainly making sure that the seals are clean, greased and properly installed.
The taking of photos underwater is fun in itself but the photos afterwards increase the enjoyment and the value of your dive adventures as you remember the faces and the wildlife that that just reading your log book just can't compete with as the pictures will bring you back to those special moments underwater that you have captured and reviewing them will reinforce the pleasant memories for many years to come for you and your friends.
Saturday, December 3, 2011
Beijing Central Airport in China
Compared to the mess that was Shanghai, Beijing was a snap getting in and out of while not nearly as pretty and modern as some of the other main airports in China like the modern newer airports in Xiamen, Xian or Lhasa. The passport control was busy and the customs are through, but they process you in a reasonable amount of time. The airport had everything that you would expect, except for one very notable flaw; there is no train into the city, which is unfortunate. They do a have a expressway that goes straight into Beijing from the airport, so the cheapest way to get to Beijing, if you are a single, is to take the bus, the problem with this is that you have no idea where they are dropping you off, so you are at the mercy of the taxis from there and they are quite mercenarily in the pricing if they know you don't know the lay of the land. The terminus for the airport bus into Tiananmen Square was at the Raffles Hotel, so they charged us as much to go 2 miles as we paid to 30 KM from the airport to Tiananmen Square 30 Yuan. The Taxis were quite expensive compared to other parts of China, at over 100 Yuan for the 20 minute trip., the cost was right around 100 Yuan with a foreign exchange rate of 7.66 to the US dollar works out to around .00
As would be expected the largest presence at the airport is the national carrier Air China, as Beijing only has one airport, the regional carriers are all here as well, such as Xiamen Air, Southern China Air, China Eastern, Hainan Airlines and Sichuan or SCAL as they are abbreviated. Beijing is serviced by all the big airlines as well from the west, like JAL United, American Cathy Pacific and many other international flights flying in and out of Beijing Central Airport.
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