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Missing LiveView magnification capabilities?


borisvenet
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    I am using BYE_3.2.1 with a Canon EOS-RP camera.
    The LiveView in BYE's "Frame and Focus" seems to transmit only a very small subset of the camera's LiveView 5X and 10X magnification capability.
Here are the problems I experience:
(1) I see no button or other control option in my Frame and Focus screen that allows me to set the camera's LiveView magnification factor. I must pause LiveView in Frame and Focus, physically go to the camera, restart LiveView on the camera LCD screen, select 5X magnification there, and finally restart LiveView on the BYE computer screen.
(2) The 10X magnification option of the camera is not recognized by BYE at all; the BYE display is identical to the 5X display.
(3) When I use the LiveView display on the camera LCD screen, I can scroll the magnifying window to any portion of the full camera image. The BYE Frame and Focus LiveView does not seem to permit this at all: it can only show the central portion (magnified) of the full camera image.
    Are these key LiveView capabilities actually absent from BYE, or am I not seeing some menu options that enable them?

 

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First, BYE uses the Canon EOS SDK to control the camera. In general BYE cannot make the camera do things that are not supported by the SDK. The SDK provides different capabilities for different camera models.

Also, most of the capabilities that you describe are discussed in the User Manual which you can view by launching it from the Windows Start Menu or from the BYE question mark button near the upper right corner of the main BYE window.

The following descriptions are based on BYE 3.2.2 connected with my EOS T5i camera.

1) In Frame & Focus (F&F) mode I have a large 5X button in the Frame/Focus Center to the right of the full image. This toggles between 1X and 5X zoom.

2) There is an option to allow 10X zoom in the Experimental Settings area of the Advanced Settings screen. If selected it should cause BYE to display a 10X button below the 5X button. This functionality does not work for me with either BYE 3.1.18 or 3.2.2. This worked when it was first released, but no longer does. I never used it anyway.

3) Above the 5X button are two buttons that control the visibility of the bullseye and zoom box overlays to the main LiveView display. When the buttons have a dark gray background they are off. If the buttons have a light gray background they are on/active. With the zoom box overlay active, you should be able to reposition the zoom box anywhere in the window. On-screen prompts describe how it works, but basically you double-click in the image area to unlock the zoom box, position it where you want, and double-click again to lock it in the new position. Then select 5X to zoom to the area inside the zoom box.

Untitled.png.fa7561416f945ab0911e1bee220f9349.png

I hope this helps.

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I have upgraded to BYE_3.2.2.
The 5X LiveView magnification button still does not appear when using the Canon RP camera.

The 3.2.2 upgrade does fix a few cosmetic issues when using the RP camera: previously, with 3.2.1, several elements in the BYE GUI overlapped or were partially cut off.

However, the LiveView magnification feature is still unavailable with the RP camera.
(Incidentally, I also have a T5i camera: that does work with BYE, so I know where to look for the 5X magnification button).

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A final comment for ADMIN on this issue: if you're able to fix this for the RP camera in a subsequent BYE release, I would also encourage you to enable the 10X LiveView magnification in addition to the 5X. 

I have found the 5X and 10X capabilities very useful for doing Electronically Assisted Astronomy at public star parties, as well as doing the general focusing task. 

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Please try 5x with Canon's EOS Utility software.  I recall this feature not being possible with the RP and not even EOS Utility could activate it via software.  Can you please confirm if this is still the same now?  Maybe they fixed it.

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In answer to ADMIN's question:
I have connected the RP camera with Canon's EOS Utility (latest EU update from the Canon web site), running under the latest Windows 10 for my Lenovo tablet/laptop. The 5X and 10X LiveView magnifications do work, and can be invoked from EOS Utility.

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1 hour ago, borisvenet said:

In answer to ADMIN's question:
I have connected the RP camera with Canon's EOS Utility (latest EU update from the Canon web site), running under the latest Windows 10 for my Lenovo tablet/laptop. The 5X and 10X LiveView magnifications do work, and can be invoked from EOS Utility.

Thanks for the confirmation.  I should be able to make it work then, fingers crossed.

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ADMIN said:

Can you try this download with your RP?

https://1drv.ms/u/s!AlkpoKUiQwwzmbsCLC35wl1SCWxArQ?e=V41e7o

 

I installed the above experimental version and tried it with my RP camera.
In "Frame and Focus", the LiveView 5X magnification button DOES appear now, and it DOES produce the desired magnification.

A minor problem remains: after the 5X magnification, the "Zoom Box Center" contents are not centered where the center of the zoom rectangle was in the main "Image Center" display. The center of the "Zoom Box Center" contents is offset by approximately [-1/3w,+1/6h] from the center of the zoom rectangle in the 1X "Image Center" window, where w and h are half-width and half-height of the zoom rectangle.   

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Two screenshots, as requested:
(1) FrmFocTab_1X: "Frame and Focus" LiveView 1X setting.
The FOV is centered on a stack of books. Note that the "Zoom Box Center" contents are centered at the point that lies at the center of the Zoom rectangle in the main window.
(2) FrmFocTab_5X: After pressing the 5X button.
Note that the "Zoom Box Center" contents are now centered on the text "714", which is on the book spine above and to the left of the center in the main window.

FrmFocTab_1X.JPG

FrmFocTab_5X.JPG

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I'll look into it, but the zoom box location is governed by the camera/SDK.

If you invoke the 5x using the camera body button while in BYE liveview, where does the zoombox point to?  Same as camera LCD? Offset or at the correct location?

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ADMIN asked:

I'll look into it, but the zoom box location is governed by the camera/SDK.

If you invoke the 5x using the camera body button while in BYE liveview, where does the zoombox point to?  Same as camera LCD? Offset or at the correct location?

If I invoke 5X using the camera body button, the attached screenshot shows the result. The Zoom Box Center contents are now in the correct location, as opposed to the offset one sees when commanding 5X by using the BYE button. (Note that the test FOV is identical to that of the previous two screenshots: so, we can directly compare the new 5X screenshot with the previously-posted 5X screenshot).

By the way, if *after* generating the 5X view with the camera button, then resuming LiveView in BYE, I then again cycle through 1X and 5X using the BYE screen button, BYE's 5X display reverts back to the offset case that I showed in the previous screenshots.

I'd say this residual offset problem is not particularly serious, so I realize it might not be high on your priority list. But it is a little bit annoying, so it might be worth a bit more effort.
Thanks!

 

FrmFocTab_after5XusingCamBtn.JPG

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