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iPhone Cameras ~ iPad Cameras ~ Human Eyes ~ Sun Light Safety ~ Beach, Sand & Salt Water Issues (Update #2) 🍎🍎🍎🍎🍎 🍎 πŸ‘€πŸŒžπŸ‘€πŸŒž

February 10, 2015

🌞 iPhone Cameras, iPad Cameras, Sun Light Safety, Beach, Sand and Salt Water Issues… The Cameras housed within modern iPhones and iPads are very sensitive, complex imager and lens systems; however, the camera systems are miniaturized to an amazing degree. For purposes of this article full featured iPhones and iPads are very similar devices other than several basic differences
πŸ“± (A) iPads are restricted with regard to cellular connectivity, as voice calling is disabled, but you may make video-voice FaceTime calls and VOIP calls, and
πŸ“± (B) the iPads are significantly larger in size. Initially, Apple configured their iPads with camera systems that were used in prior model iPhones. Today, Apple is keenly focused in its support of the iPad Line, and is enhancing the iPad functionality and specifications.

🌞 iPhones and iPads share almost all of the similar internal components. Aside from these two differences above, the devices share almost all of the internal components, other than physical size, battery sizes, display sizes…

🌞 Other differences such as memory size, refers to the capacity of the memory, not physical size of the ship-sets, similarly with the pixel count of the imager, more pixels does not mean the imager’s physical dimension is larger. For the purpose of this article the iPhone will be discussed; however, most everything discussed mat be applicable to the traditional iPad and the iPad mini.

🌞 Number 1 iPhone Killer: Ocean and Gulf Beaches. This environment is one of the most dangerous environments for high technology devices including iPhones and digital cameras, primarily because of Salt.

🌞 Where there is Wind and Waves, there is “air-borne” salt water spray that is everywhere. This is likely the biggest iPhone killer of all. Living in south Florida we see thousands of people of all ages with their smartphones snapping pictures, talking on the phone, and listening to their favorite tunes as they sun-bathe.

🌞 Salt (chemically NaCl, Sodium Chloride) is one of the most corrosive chemicals, and exist in huge quantities on earth and particularly at the Beach. True, Salt is one of the major building blocks in support of human life; however, Salt is one of the most destructive chemicals for technology devices. Salt will corrode the minute electronic contacts, the volume controls and sleep and home buttons, preventing them from operating properly. Salt spray that extends everywhere for thousands of feet from the waves.

🌞 Beach Goers. So if you are a “beach-goer” and you notice that your UP Volume button is not working properly, initially requiring harder or repeated pushing, this condition is likely the result of “salt intrusion.”

🌞 Ocean and Gulf Beach simple solution. When going to the Beach, pack your iPhone in a kitchen plastic zip-lock baggie, that you’d pack veggies with when refrigerating. As we live near the beach, I purchased some “parts” bags, that are made of a 4 mil plastic, and are “heavy duty” and seal well in case a wave hits you. However a typical quart-sized zip-lock Freezer baggie will serve well to eliminate sand, salt, and salt water spray. Also, on Amazon.com one can find a heavy duty 4×8″ 6mil or 8mil clear “parts” zip-lock bag. Notice that the iPhone display will operate even through the zip-lock baggie. Also note there are many “after market” waterproof iPhone cases to solve this issue, which may be used every day, every where.

🌞 Number 2 iPhone Killer: The Sun and Concert Laser Lights: The complex optics contained in the iPhone or any digital camera is very sensitive to light. In recent years the imagers and lens systems are even more capable of taking pictures in very low light situations. Similarly, the iPhone captures terrific pictures out doors in bright light. However, bright lighted situations only includes reflected light, not light directly from the Sun, for example.

🌞 A major iPhone Camera Killer is the Sun and Laser Lights. Simple solution, Do not Point your iPhone Camera towards the Sun. Sounds simple, however, when out doors, and since the iPhone have both front and rear cameras, how can one place the iPhone on a traditional Picnic Table, since either face-up or face-down, one of the Cameras will be pointing Up towards the Sun. Either way, if the Sun comes into alignment and its powerful-light enters the camera lens, the imager may be permanently damaged. Solution keep your iPhone in your pocket, purse, picnic basket, or wrap the iPhone in a table napkin.

🌞 iPhone Cameras are similarly sensitive to Light as the Human Eye. Therefore treat both with similar care. To protect the Retina inside your Eyes, do Not look directly at the Sun or in the Sun’s direction. Give your iPhone the same respect, to protect the imager (the non-organic form of the human retina) do not point your iPhone’s cameras directly at the Sun or in the Sun’s direction.

🌞 Laser Lights may Kill your iPhone, iPad, Digital Camera. Below are some detail on the effects of having a Concert Laser Light kill a digital camera’s imager, not the entire imager, in this case a permanently destroyed an entire “line of pixels.”

Several videos have emerged of concert lasers damaging the sensors in DSLR cameras. One particular example shows lasers damaging the sensor of a Canon EOS 5D MKII. It appears that the laser burns the CMOS sensor’s pixels, while the user is creating a video, rendering it permanently damaged with just a micro-second of exposure.

Seven Second video clip taken at a Concert where several High Power Laser Projectors are in use. Suggestion replay this video over several times to focus your attention to the location and the moment of destruction:

http://vimeo.com/13450755

Suggestion for Laser Events: If you are using any iPhone or digital camera for photographing or for video capture, do not permit the Laser Beam to strike your cameras lens or your eyes, for the Safety of Both.

Laser Beams may Kill an Entire Row of Pixels. It is suggested that the concentrated pin-point Lasers Beams, cause the damage by Impressing Very High Energy and Brightness, Focused onto the pixels, the sensitive surface of the image-sensor.

The ILDA (International Laser Display Association) say that camera sensors are often more sensitive to laser Light than the human eye. Personally I believe this statement is written by the Lawyers of the ILDA to ward-off personal-injury law-suits. What’s more, the damage to several pixels may also cause an entire vertical or horizontal row of pixels to stop working properly, making the damage much more visible, than just killing a few pixels where the Laser was in Fine-Focus.

Laser Beams can cause dead pixels, which may be visible on photos with areas of uniform colour. Any camera with a CMOS sensor could be susceptible, so it’s recommended that if you attend a concert where there are laser beams to take extra care not to let the beams directly hit the sensor of your camera.

For more information on avoiding laser damage to your Digital Cameras, visit the ILDA site, (International Laser Display Association)
http://www.laserist.org/camera-sensor-damage.htm

Laser Lights emit highly-concentrated beams of focused light, which can “burn” sensitive surfaces (like the eye’s retina) and cause permanent damage. Camera sensors, mobile-phone cameras, vidwo cameras are all, in general, very susceptible to damage by Concentrated Laser Light than the human eye. However My advice is if the Laser may Kill your Digital Imager, it may Damage your Vision.


Here is a link to a 7 second video clip:

http://vimeo.com/13450755


For large scale concert shows, such as on a televised concert, Laser show producers work with their clients to avoid TV camera locations, where the Laser Video Projectors may aim directly into the $250,000 HDTV video cameras, (ILDA Members, see this page for details). However, it is not possible for laser show producers to be responsible for all cameras and camcorders which might be at a show, in the crowd for example.

Therefore, if you attend a show as an audience member, you should take reasonable precautions, to Prevent Laser beam from DIRECTLY entering your digital camera’s lens, or any iPhone or iPad camera’s lenses, or your EYEs.

You can photograph the beams in midair, or doing graphics on a screen. If you can’t see the laser source (projector output aperture or bounce mirror) in your viewfinder, this means you’re not getting the full beam power into your lens. Indirect side-viewing should not cause damage.

Avoid beams which are coming straight into your lens (or bounced off a mirror or other reflective surface and then into your lens). The damage potential is much greater when the entire beam power enters the camera lens.

Eye Safety is First. The primary safety concern for Laser Producers is that the show is eye-safe. A good working definition of "eye-safe" is that everyone leaves the show with the same vision they entered – there is no detrimental change to a person’s vision. International safety standards such as IEC 60825 and ANSI Z136 set "Maximum Permissible Exposure" levels for laser light. Shows done at or below the MPE should cause no problem for human eyes. Even shows which exceed the MPE have remarkably safe records (eight documented or claimed eye injuries out of 109,000,000 persons viewing continuous-wave laser shows over 30 years).

However, there are no MPEs for sensors such as CMOS or CCD chips. This means a show may be perfectly safe for eyes, but could possibly damage a camera sensor. One reason is that camera lenses may gather more laser light, and concentrate it to a finer point. Another reason is that a CMOS or CCD sensor may be more easily damaged than the eye.

Due to the many varying factors involved with lenses and sensors, laser show producers cannot be responsible for audience-member damage to cameras or camcorders.



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