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Shooting Direct to USB Storage

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Post Options Post Options   Quote sybersitizen Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2018 at 01:51
^ Yep, that compatibility list appears to show only Alpha cameras that are built to support tethering, which is what I was getting at in my first post.

Sony Alpha-A5000
Sony Alpha-A5100      
Sony Alpha-A5100
Sony Alpha-A6000      
Sony Alpha-A6000
Sony Alpha-A6300      
Sony Alpha-A6300
Sony Alpha-A6500           
Sony Alpha-A6500      
Sony Alpha-A7      
Sony Alpha-A77 II     
Sony Alpha-A7R      
Sony Alpha-A7R II      
Sony Alpha-A7R III
Sony Alpha-A7S

It seems your A900 and A99 should also qualify. If so, and if the device you connect to your camera via USB also provides support for tethering (at least in terms of file storage) and knows how to talk to your camera, then you'll have a solution.
 



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Post Options Post Options   Quote horizon Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2018 at 02:59
Further down the list


Sony DSC-A100 (PTP mode)            
Sony DSC-A900 (PTP mode)      Image Capture, Trigger Capture, Configuration      
     
Sony SLT-A35 (PTP mode)            
Sony SLT-A350 (PTP mode)            
Sony SLT-A37            
Sony SLT-A55 (PTP mode)            
Sony SLT-A57            
Sony SLT-A58            
Sony SLT-A58 (Control)      Image Capture, Trigger Capture, Configuration      
Sony SLT-A65V (PTP mode)            
Sony SLT-A77V (PTP mode)            
Sony SLT-A99v
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Post Options Post Options   Quote sybersitizen Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2018 at 03:32
^ I missed that section. The A58 supports tethering, along with the A900, A99, A77II, and A68. The other SLTs don't support tethering, and you'll notice that they are not listed as supporting image capture either. So what exactly is supported in those cases?
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Post Options Post Options   Quote artuk Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2018 at 08:25
Originally posted by sybersitizen sybersitizen wrote:

Well, I can't really explore any of these ideas because at the moment the most advanced camera I can directly connect to an Android device is my A77. When I do that, nothing at all happens. Perhaps it's because the A77 was never built to communicate via USB that way (it does not support tethering either).

What about the 64GB memory card question?


For video you probably need about 8mp, so depending on the jpeg resolution options, you should be able to store a huge number on a large memory card - does the A99 support 128gb cards or larger?
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Post Options Post Options   Quote artuk Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2018 at 08:31
Originally posted by horizon horizon wrote:

I saw a YT video last night showing that the wifi (self powered) external backup drive can directly access a USB drive, however it required web control via a mobile app to copy the files directly to the external drive.

I way it has possibilities and in another way it removes them at the same time. So its 6 of one half dozen of the other. Or the cup is both half full and half empty at the same time

Apparently (from what Ive seen on YT) Adobe software for doing time lapse will work well and can easily sync all files for the same processing and them compile them into the video form, so, as long as a computer has enough grunt, it can process all the files reasonably quickly, however it can take a while to render the video with all the frames. I may just need to invest in a TB SSD for cache


If you are just going to use Adobe to render raw files at default settings and not edit or.adjust any single frame, you may as well set the camera up how you want and shoot jpeg, as its unlikely to make any perceptible difference to final quality.

I would assume for very long time lapse sessions he bigger issue is going to be battery life, without an external power source.
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Post Options Post Options   Quote horizon Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2018 at 12:50
G'day Art,

Thank you for the suggestion.

I will be processing the raw files before exporting. It doesnt really matter if it takes me a week to process all the files or a month. I also will be looking to use some of the individual files for making a few pano's as well.

Ray, The A700 is also not listed and according to the user manual it also supports Control / USB storage via PC. I dont know what functionality would be supported / not supported as per your question to the camera's not listed.

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Craig
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Post Options Post Options   Quote sybersitizen Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2018 at 17:29
Originally posted by horizon horizon wrote:

Ray, The A700 is also not listed and according to the user manual it also supports Control / USB storage via PC. I dont know what functionality would be supported / not supported as per your question to the camera's not listed.

Yeah, that list is kinda strange. I think there was a lot of guesswork involved when constructing it.

The main takeaway in all this is that if you want to capture files in real time to any external device via USB, you need 1) a camera that was designed to support the protocol required for tethering and 2) an external device that supports that same protocol and also contains software to do the necessary things.

So your original question about those devices remains unanswered until someone can determine what they support.

Edited by sybersitizen - 01 June 2018 at 17:42
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Post Options Post Options   Quote horizon Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2018 at 22:24
G'day Ray, Yes,having looked at the cost of the wifi storage drive supplied by both WD and Seagate, both have spinning drives, although the Samsung has an SSD option. However their costs do exceed what can be built via a DIY solution.

So for me at this stage I'd be more inclined to go the DIY route and have something that will survive a bit of rough handling in the field instad of having the spinning disc drives by the manufacturers that will suffer damage to head readers should they receive a bit of rough treatment while in the field.

As for power required to run all this gear, depending on distance from a vehicle, power can always be somewhat accessible by using batteries and power inverters to keep everything running, even if it means dragging a car battery the distance amoung a few people who all want to do the same. Yes it will be a pain, but dedication & determination will almost always overcome those pains.

Regards,
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Post Options Post Options   Quote beautiophile Quote  Post ReplyReply Direct Link To This Post Posted: 02 June 2018 at 06:01
I think the technology has caught up. Cameras and laptops now can be charged via USB ports (Type C is more convenient) and portable chargers. In case of shooting in elongated time (timelaps perhaps), I would connect a camera to a lightweighted laptop for controlling & storing photo files and carry a bunch of powerbanks as backup.
Just my thought tho, I have never tried it.
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