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Frequently Asked Questions

How does the camera-flash communication differ when the flash is on and off the camera?

Canon EOS FAQ 2.4 - Flash
From Chuck Westfall: A comparison of differences in communication between the flash and the camera when multiple flash off-camera accessories are used is covered on page 62 in the SRG in Section 2, fourth paragraph.

Why does the EVOLT E-300 camera have a built-in flash?

Evolt E-300 Digital SLR Camera > Frequently Asked Question...
The EVOLT E-300 model has been developed to allow everyone to easily enjoy superior digital imaging performance with a consumer-oriented digital SLR camera. A new flash mechanism that slides forward as it pops up assures an adequate angle of illumination while contributing to the camera's low-profile body design. The flash offers broad, even coverage with minimal illumination drop-off at the periphery.

My camera already has a flash built in. What's the advantage of getting an external flash?

Digital Photography FAQ
Most external flashes have pivoting heads, which permit you to bounce the flash off the ceiling, further reducing the chance of red-eye and giving the scene a gentler, more natural illumination.

Does the Pixera Camera have a built-in flash?

Pixera Corporation: Personal 1.2 Million Pixel Digital Camer...
No. The Pixera Camera provides high light sensitivity and a wide range of shutter speeds. This means that the Pixera Camera can take good quality pictures in poor lighting conditions. A flash will not be necessary for most lighting conditions. Yes. The images just won't display as well on a system that does not have high color (16-bit) or true color (24-bit) display. They can be printed and saved as 24-bit color images, however.

Is there a way to use a ring flash with my digital camera?

Digital Photography FAQ
Probably, but depending upon your camera's support for standard external flashes, it may require some persistence and some workarounds:

back to top What is Flash Lite? How does it differ from Flash Player SDK?

Macromedia - Flash Player SDK : FAQ
Flash Lite is a Flash technology developed initially for mobile phones, and provides rich content and browsing, as well as customized user interfaces. It is also suitable for hardware-constrained consumer electronics devices.

What is Flash Lite? How does it differ from Flash Player SDK? What is Flash Player SDK?

Macromedia - Flash Player SDK : FAQ
Flash Player SDK is the version of the Flash technology developed for consumer electronics devices. Flash Player SDK enables consumer electronics manufacturers, systems integrators and browser companies to create best-in-class products and services with full web browsing capabilities that enable users to enjoy the vast number of web sites with Flash content.

How does RedTacton differ from other communication systems that use the human body?

RedTacton
Several "human body communication" technologies using the human body as a transmission medium have been reported in the past. But RedTacton employs a proprietary electric field/photonics method, which surpasses the other methods in terms of communication distance, transfer speed, and interactivity.

How does D-Bus differ from other interprocess communication or networking protocols?

D-Bus FAQ
Keep in mind, it is not only an IPC system; it also includes lifecycle tracking, service activation, security policy, and other higher-level structure and assumptions. The best place to start is to read the D-Bus tutorial, so you have a concrete idea what D-Bus actually is. If you understand other protocols on a wire format level, you may also want to read the D-Bus specification to see what D-Bus looks like on a low level.

Why does the flash fire all by itself?

Quaketronics Flashkit FAQ
Continuous firing in optical mode can be caused by flourescent lights or other flickering light sources. Continuous firing in audio mode can be caused by background noises such as fans, clothes dryers, etc.

What is The Flash Pass and how does it work?

Frequently Asked Questions: Six Flags Great America
The Flash Pass is an electronic ride reservation system that holds your place in line at the park's most popular rides while you enjoy other attractions. Learn more about Flash Pass.

Where can I get an electronic flash for my folding SX-70 camera?

The Land List -- Frequently Asked Questions
There were many third-party flashes made for these cameras in addition to the one Polaroid offered (*), but I'll admit that they're not always easy to find these days, and often expensive.

How good is the Camera's flash?

SBD's JBMM FAQ
There is no flash - the camera will not be able to cope with low light conditions. There are settings, though, to take account of different sorts of internal lighting, so you should be able to take pictures inside. Not yet tested.

Can I get an off-camera flash cord for my 630/RT?

Canon EOS FAQ 2.4 - Flash
The Canon off-camera shoe cord designed to support A-TTL does NOT work on the 630 nor RT (I have confirmed this with Canon Canada, despite rumours to the contrary). The flash works perfectly in the hot shoe, and the TTL modes have been reported to work correctly with the cord. However, any feature requiring the digital data bus will not work. This includes A-TTL and flash-exposure compensation, among others.

Why does my camera rattle when I shake it?

Digital Photography FAQ
Does your camera have an orientation sensor? If your camera does, then there's a good chance that the rattle is the normal function orientation sensor. Do a few experiments tilting the camera and taking pictures to see if the sound of something moving in the camera correlates with the orientation sensor reporting a change of orientation. If they're correlated, then there's a good chance that everything is normal.

gphoto2 does not find my camera. What shall I do?

Chapter 3. Frequently Asked Questions (FAQ)
For USB devices, you need the "usb:" port in the list. If you don't see it, check whether you compiled gphoto2 with libusb support and that you have mounted the usbfs (or usbdevfs) on /proc/bus/usb (usbfs applies to Linux systems only). If your gphoto2 cannot access the USB device as non-root users, you have to set up hotplugging correctly. See Section 4.3, "Setting up permissions for USB ports" for details. Yes, many times. The release number ("2.1.1") and the library version ("2.0.

Q How does this differ from "organic"?

Saffola - Frequently Asked Questions
A Organic farming has a strict and complex definition, that varies from state to state; but organic production does allow use of certain organic pesticides, none of which are allowed in Saffola's "grown without pesticides" claim. Saffola's farming methods share one of the major goals of organic farming, to reduce environmental damage from chemical pesticides.

How does the MMH differ from an MBA?

FAQ
The MMH degree program offers the business-management curriculum you'll find in a typical MBA program, but with an exclusive focus on the hospitality and services industries. Class discussions, projects, and case studies apply to hospitality, first and foremost. The MMH degree is accredited by AACSB International - The Association to Advance Collegiate Schools of Business - which certifies the world's foremost schools and colleges of business.

WHAT IS A FLASH-BACK?

Ritual abuse FAQ
A flashback is a dissociated memory that returns to consciousness. It can be a smell, a taste, a sound, a picture, an emotion, or all these things together. It can last a moment, or linger on for weeks. People describe smelling alcohol or perfume when none is present, hearing a phrase over and over again in their heads, feeling panic or dread for no logical reason, or seeing pictures, like snapshots or movies behind their eyes. All these are fragmented memories rising up into consciousness.

Are there any settings on the camera that must be set before you can use the external flash feature?

C-770 Ultra Zoom > Frequently Asked Questions
Yes, set the camera mode dial to P, A/S/M or any shooting mode except the movie mode. Turn on the extension flash unit's power then select the camera's flash mode. The flash mode button on the camera controls the built-in flash as well as the extension flash. Only the built-in flash and the Olympus FL-20/FL-40/FL-50 extension flash can use the red-eye reduction flash mode. All flash units can use the fill flash, flash off, and slow-sync flash modes.
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