Speedlite Flash for Canon E-TTL Auto Focus HSS Professional Flash | FAQ

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Learn how to use the TTL and HSS Altura Photo APC-958X speedlite for Canon cameras with this detailed FAQ video tutorial.

The APC-958X from Altura Photo is a professional strobe that offers the level of performance and reliability needed for professional flash photography. The APC-958X flash is fully compatible with all Canon DSLR cameras, and features master/slave wireless TTL functionality, high-speed and rear curtain sync, fast recycle times, and a durable build quality for the most demanding photographers.

The APC-958X is an easy to use professional flash that is great for wedding photography, fashion, events, portraits, product photography and more.

– Compatible with Canon E-TTL/E-TTL II with full manual override
– Advanced wireless TTL functionality with master/slave mode in 4 channels and 3 groups
– High-speed sync compatible up to 1/8000th of a second
– Repeating flash mode functionality
– Compatible with 1st curtain and 2nd curtain synchronization
– Built-in bounce card and wide-angle diffuser
– Auto zoom head range from 28mm-105mm
– AF-assist light for focusing in low lighting conditions
– Compatible with the Altura Photo Rapid Fire™ External Battery Pack

The APC-958X flash is compatible with all Canon cameras with a standard hot shoe including:
– e.g. Rebel T6S, T6I, T5I, T3I, SL1, XSI, XTI, T2I
– e.g. EOS 5D MK III, 7D MK II, 6D, 70D
– e.g. Powershot G1 X MK II, G16, G16
– e.g. EOS M

NOTE: E-TTL mode is not compatible with the Canon EOS 5D MK IV and EOS 80D. Manual flash mode compatibility only.

1. Flash for Video [0:59]
2. Flash Modes [1:30]
3. Factory Reset [03:40]
4. Camera Compatibility [4:14]
5. Outdoor Shooting [5:17]
6. Recycle Time [6:01]
7. HSS Off-Camera [7:40]
8. Strobe Mode [09:03]
9. 1st & 2nd Curtain Sync [10:34]
10. Maximum High Speed Sync [11:36]
11. Rear Curtain Blurriness [12:19]
12. Diffusing Guide [12:53]
13. External Power Supply [14:49]
14. Manual Vs. TTL [15:52]
15. Manual Mode [17:22]
16. Sleep Mode [18:53]
17. Exposure on Manual mode [20:00]
18. Night Portraits [21:52]


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Happy shooting! – Izzy & Adam


#CameraSpeedlite #FlashForCanon #AlturaPhoto #CanonFlash #Speedlite

Speedlite Flash for Canon E-TTL Auto Focus HSS Professional Flash | FAQ Tutorial | By Altura Photo®


  • Hi
    I have a Canon EOS 200D camera and I need a full automatic speedlite and compatible with the camera.
    Can you tell me what type of speedlite is compatible with my camera?

    Samt ema 02/20/2020 7:56 pm Reply
  • I have three of these which I purchased in 2016. Currently, they are all heating up too fast and burning up battery power. Are they in their death throes?

    Kullie Kennedy 02/20/2020 7:56 pm Reply
  • Hi, will it works with EOS Canon 4000D camera, please. Thank you

    Elena Alaya 02/20/2020 7:56 pm Reply
  • Is it compatible wiht canon 80D?

    Gledson Castro 02/20/2020 7:56 pm Reply
  • Will that work with my Power Pack 960?

    Adam Kozik 02/20/2020 7:56 pm Reply
  • What model do I need for my nikon d610?

    CHE MORGAN CREATION 02/20/2020 7:56 pm Reply
  • Very good explanation about the flash. I would like if this flash on master command for example Canon 420ex on slave. Thanks

    Rafael Gerent 02/20/2020 7:56 pm Reply
  • This does not work with the Canon 77d, 200d and 800d cameras.

    Sunil Gokhale 02/20/2020 7:56 pm Reply
  • I would just like to say that this is one of the best videos I have ever saw before you are very thorough easy-to-understand and well-detailed Bravo on a tremendous job God bless

    joe yambor 02/20/2020 7:56 pm Reply
  • Great video learned a lot. Made everything so clear. I shoot manual but I am going to have to experiment with auto and ttl. Thanks for the info.

    mixxinmel 02/20/2020 7:56 pm Reply
  • could you demonstrate this working off camera with hss transmitter, im not getting good exposure past 1/250 shutter speed

    KeOnte Smith 02/20/2020 7:56 pm Reply
  • I have a question about compatibility. In the video, one of the cameras you use is a Canon 80d. When you get to the part in the video about compatibility, you mention that it works with the Canon 80d. I went below the video and started reading some of the specs about the flash. You had a section listing compatibility, this is what one part said:
    NOTE: E-TTL mode is not compatible with the Canon EOS 5D MK IV and EOS 80D. Manual flash mode compatibility only.
    Now I'm a bit confused. I know you used it in the video. I was going to order the flash, but I want to use all the different modes, not only manual. Could you please let me know whether or not I can use this flash in all modes on my 80d?

    rohag735D 02/20/2020 7:56 pm Reply
  • Very clear tutorial, but what model, is it again?

    Geoff Fisher 02/20/2020 7:56 pm Reply

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