Is it possible to create DNG files when using the Leica T app?

[dkCambridgeshire]

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Attempted again this morning to produce and save DNG files when using the Leica T app with my iPad as a live view monitor. No DNG files appear to be available or saved to the SD card even though the camera is set to DNG plus JPG . Also tried using the camera's 16GB internal memory but the only files saved are JPG … I viewed and then transferred all available internal memory files to an SD card but only JPG images available - no DNG files. 

 

Before I condemn the app., is there a method available to work-around this anomaly? 

 

dunk

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[prk60091]

The app for the Q and the app for the C do not transfer DNG or RAW only jpgs.

 

My old eye-fi could not transfer DNG's either.

 

I assume it is not technically possible to do (perhaps size of file? Not enough magic dust? I just don't know)

 

I assume the T app is similar

[dkCambridgeshire]

Thus seems I have to photograph the wasps' nest using the T's Visoflex to view the action .. which probably precludes using the Leitz / Leica 100mm macro lenses because of the relatively short lens to subject distance. I'll persevere with the Canon FD 200mm macro lens from a longer / safer distance. 

 

The T app is of no use to me or anyone else requiring large image files. And aside from the image size issue it's not possible to electronically fire the shutter remotely if I pre-focus. But should be possible to make a mechanical remote release … or buy and adapt a selfie release. 

 

dunk

[AndreasAM]

Dunk,

 

Some thoughts.

 

Why not use your Olympus Zulko 500 mm./f8. mirror lens?

Gives you plenty of room to stay away from the little stingers, but still you are capable of making macro shots with enough enlargement (with or without a 2x extender). The slave lights can be put closer by.

 

I used my MR-Telyt-R 500 mm/f8 (minimum focus distance is 4 m.) for the first few times and the experience with it makes me think it can be useful for your project. Keeping a distance of 3-4 m1. is easily accomplished to get macro shots (see some pictures in the Nature and Wildlife sector, I posted today).

 

I will give you and the forum an update in the near future about using the lens and of the recently inherited, Leica-R mount, Minolta Rokkor 800 mm./f8, on the Leica T, as promised earlier. Although the latter is a completely different beast!

 

Or use the APO-Macro-Elmarit-R 100mm/2.8 with an APO-Extender 2X.

[AndreasAM]

In addition to above, a Macro-Adaptor-R on the MR-Telyt is also usable, it will certainly decrease the minimum focus length. It is no official solution, but some experimenting won't hurt.

I don't know if it wil influence the contrast etc. of the image to much. Need to try it out. Will post you on this, these days (It is now dark you know!)  

[dkCambridgeshire]

Andrew, The wasp images require as much depth of field as possible; the Canon 200mm will produce good images without noticeable diffraction even at f32 … but f16 to f22 is preferable.  

 

The Olympus 500mm mirror lens now focuses to infinity on the 'T' after further adjustment by the service agency - but unlikely that it would provide sufficient DOF for insect imaging at f8.

 

Your Telyt R 500mm produces good close-ups but they do not appear to be of sufficiently high magnification for insect photography. 

 

I might try some c/u experiments with the Olympus 500mm - but would not expect c/u performance to compare favourably with a macro prime lens.  

 

Best wishes

 

dunk. 

[AndreasAM]

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Dunk,

 

To be honest nothing beats the APO-Macro-Elmarit 100 mm, for color, (micro-)contrast, clarity, sharpness, diverse usefulness, and so on, and so on!!

 

But the fun of the MR-Telyt is that, knowing it weaknesses, if you can adapt your way of working to it's strengths, my experience is that you can get surprising results, perhaps different, but still encouraging.

 

I am still in the early stages though, of finding/knowing the right moments to use it.

 

For the Minolta Rokkor 800 mm. I don't have a clue yet. Taking pictures from something 2-3 km's away is not my way of imaging a picture...... yet.

But you know already from your experience with the Telyt 800 mm. (nice reportage by the way in the forum, gave me some clues for using the Minolta)

 

So I just want so say: allow yourself to be surprised by testing new waters, experiment a little! That's the fun of taking pictures...

[dkCambridgeshire]

Dunk,

 

To be honest nothing beats the APO-Macro-Elmarit 100 mm, for color, (micro-)contrast, clarity, sharpness, diverse usefulness, and so on, and so on!!

 

But the fun of the MR-Telyt is that, knowing it weaknesses, if you can adapt your way of working to it's strengths, my experience is that you can get surprising results, perhaps different, but still encouraging.

 

I am still in the early stages though, of finding/knowing the right moments to use it.

 

For the Minolta Rokkor 800 mm. I don't have a clue yet. Taking pictures from something 2-3 km's away is not my way of imaging a picture...... yet.

But you know already from your experience with the Telyt 800 mm. (nice reportage by the way in the forum, gave me some clues for using the Minolta)

 

So I just want so say: allow yourself to be surprised by testing new waters, experiment a little! That's the fun of taking pictures...

 

 I do experiment more than a little … often adapting and using lenses for applications for which they were not designed. 

 

 

dunk

[AndreasAM]

And isn't it fun??

 

I know you experiment a lot, was intended as tongue in cheek. But hey, English is not my first language. Still learning to be subtle in the language.

[dkCambridgeshire]

Your English is excellent Andrew. Look forward to reading about your 800mm experiments.

 

dunk

[MichaelU]

In my opinoin, the non-availability of DNG files while working with the T app is a major drawback. For me, the T app is useless.

It is not required that DNG files are transfered to the mobile device. However, they should be stored in the camera and they should be available on SD card or internal memory.

[dkCambridgeshire]

In my opinoin, the non-availability of DNG files while working with the T app is a major drawback. For me, the T app is useless.

It is not required that DNG files are transfered to the mobile device. However, they should be stored in the camera and they should be available on SD card or internal memory.

 

Agreed … the 'T' app when used for remote operation of the camera is of no use for serious photography e.g. for creating large file size potential exhibition images. If the DNGs were stored on the memory card the app would be fine. But I have no idea whether this might be possible e.g. via a firmware update. 

 

 

dunk

[gbealnz]

In my case I couldn't use the app to remote fire my camera when attached to my telescope. Where I use the scope is well out of wifi range. Also couldn't use anything longer than 30 seconds.

To add insult to injury, no Android app, and my ancient iPad is too old to run the app.

Gary

[dkCambridgeshire]

In my case I couldn't use the app to remote fire my camera when attached to my telescope. Where I use the scope is well out of wifi range. Also couldn't use anything longer than 30 seconds.

To add insult to injury, no Android app, and my ancient iPad is too old to run the app.

Gary

 

 

If a cellular iPad is used, or an iPhone, it's possible to create a personal Hot Spot connection … but the 'no DNG files possible' anomaly remains.

 

I may resort to using a M4/3 camera with a M4/3 Pana-Leica AF macro lens for my wasp nest project - but have to explore the RAW capabilities of both Olympus and Panasonic remote apps. 

 

dunk

[dkCambridgeshire]

If a cellular iPad is used, or an iPhone, it's possible to create a personal Hot Spot connection … but the 'no DNG files possible' anomaly remains.

 

I may resort to using a M4/3 camera with a M4/3 Pana-Leica AF macro lens for my wasp nest project - but have to explore the RAW capabilities of both Olympus and Panasonic remote apps. 

 

dunk

 

 

Yesterday I tried the PanaLeica 45mm AF macro lens on a Panasonic GH3  … it has possibilities for wasp life size imaging but the lens to subject distance is very short/tight thus would be difficult to use e.g. twin off-camera flash. 

 

A better solution for insect photography would be a 100mm Leica T AF macro lens (if such a lens was available) . However, would not be possible to use off-camera twin flash with the 'T' and also use the Viso EVF … and if the 'T' camera and a 'hoped for' 'T' AF macro lens was controlled remotely via an iPad /iPhone , DNG files would not be possible. 

 

So … will probably continue persevering with the manual focus Canon 200mm macro lens (because it enables a safe lens to subject distance) ... and also experiment with its dedicated Canon ML-1 Macrolite. 

 

dunk

[dkCambridgeshire]

Today I tried to create DNG files today via the T App after attempting to by-pass the camera's SD card slot by using an SD card in an SD card reader connected to the camera via a USB lead and a Female to Female USB2 adaptor … it does not work.

 

Furthermore, after creating files in the T camera’s 16GB internal memory, it’s not possible to copy the files to an SD card loaded to a card reader and connected to the camera via a USB lead and the F to F USB2 adaptor.

 

The internal memory files can be copied to an SD card loaded directly into the camera’s SD card slot. 

 

Thus the T App is only useful for remotely controlling the camera if JPG files are sufficient; it's not suitable for high quality imaging. 

 

No further T App DNG experiments planned … and as I have no use for the T App's  JPGs, it's unlikely I'll be using the T App in future. 

 

dunk