Jump to content
Sign in to follow this  
JonVdG

Leica T “blackout” / file write time questions.

Recommended Posts

Advertisement (gone after registration)

I have a couple questions for those who have owned or had experience with the T and TL bodies. I realize this has been discussed in other threads, but I’m hoping for a little more insight. Even when auto review is turned off on my T body, the captured image lingers on the screen for a second (the equivalent of "blackout" on other cameras), prohibiting me from immediately composing my next shot. I admit that's not a lot of time, but it can have an impact on my shooting workflow. So my questions are 1) do the TL and TL2 also have this issue, and 2) does using a faster memory card decrease the time it takes for the monitor to become live again? For reference, I'm using a Panasonic SDHC Class 10 UHS-3 card with a 45 MB/s write time, and I'm shooting RAW (DNG) with 1.8 MB jpeg files. The T has no option for shooting DNG only, unfortunately.

Share this post


Link to post
Share on other sites

Thanks, I was thinking about trying one of those. Any particular brand / model you recommend? Yes, it has version 1.61 installed.

Share this post


Link to post
Share on other sites

1) The TL2 does not have the issue.

 

2) I currently use a Sandisk Extreme Pro 300mbs card, but it didn't have the issue with a 95mbs card, either.  And it can be set to record .dng files only. 

Share this post


Link to post
Share on other sites

I used to use the internal memory on the T and now switched to using a 95mbs card (Sandisk Extreme Pro) after reading online of the benefits for this exact problem.  I would say that the blackout time was cut in half. It is still there but for a very short while. I am not sure the T supports the benefits of any faster cards. By reading the reviews, even the new CL has this same problem but then again not sure which card they used. 

Share this post


Link to post
Share on other sites

Advertisement (gone after registration)

Thanks, that’s good to know. It’s a little disappointing that even the CL has the issue, but I suppose that’s the price to be paid for these large file sizes. I’ve heard that faster cards can contribute to image quality issues (increased noise in shadows, etc.), but I mostly shoot at base ISO so I might just give one a try.

Share this post


Link to post
Share on other sites

"I’ve heard that faster cards can contribute to image quality issues" Good heaven no. Where did you hear that?

Share this post


Link to post
Share on other sites

A helpful member in another forum posted the following:

 

‘"Basically" imaging sensors are analog devices that apply thresholds to the signal: in the case of the Leica T, 4096 thresholds, in the case of my M8, M9, M Monochrom- 16384 thresholds. Cameras and memory cards are analog devices, computers are analog devices- the difference being that they threshold to 2 levels. The latter creates electrical noise that creeps into the analog to digital convertor of the sensor. Two ways of "creep"- direct digital noise and instantaneous load on the power supply and DC-DC convertors. A fast memory card will drain the buffer faster than it is filled, stop, start again as the buffer fills- "not a steady state". This puts more of an instantaneous load on the camera. A slower memory card will drain the buffer more slowly, no "start/Stop"- less of an instantaneous load.”

 

I haven’t had a chance to test their hypothesis yet, but it makes some sense. You seem to think this isn’t the case? I’m curious to hear your thoughts about it - thanks.

Share this post


Link to post
Share on other sites

The M9 used to have this very issue. It produced noise in the image when some components of the camera drew too much power while the sensor was being read out. They finally fixed it, sort of, by altering the sequence of the various processing steps. Faster storage cards contributed to the problem,  not by being faster per se but by temporarily drawing more power. It seems that this might have lead to Leica including a monster battery in their next M model, the M.

Share this post


Link to post
Share on other sites

Hi there.  I use both the Sandisk Extreme Pro SDXC 1 64GB card and the Sandisk Extreme Pro SDHC 1 32GB SD card.  Both are classified as UHS-I.  Both claim to have a 95mb/s rate.  I've also used other cards that were slower but even with these "Fast" cards, I also still experience what @JonVdG opened up this thread as:

 

"Even when auto review is turned off on my T body, the captured image lingers on the screen for a second (the equivalent of "blackout" on other cameras)"

 

My question is has anyone had experience with both the Sandisk UHS-I and the Sandisk UHS-II (or any other branded UHS-II card) with their Leica T?  I live in the Philippines and unfortunately (ridiculously) the stores here won't let you try-before-you-buy the UHS-II cards.  

 

The UHS-II cards are three times the price of the UHS-I and I want to know if it will make the difference for continuous shooting without image delay "blacking out'...   Anybody have this experience?  

 

Thanks,

Edber 

IG:  @1edber

Share this post


Link to post
Share on other sites
Guest VVJ

Faster cards won't eliminate the problem.  

 

I just tried it out on the T with a 95MB card and 280MB card.  The blackout with the 280MB card might have been marginally smaller but not by much.

 

As above mentioned the TL2 does resolve the problem.  

Share this post


Link to post
Share on other sites

Faster cards won't eliminate the problem.  

 

I just tried it out on the T with a 95MB card and 280MB card.  The blackout with the 280MB card might have been marginally smaller but not by much.

 

As above mentioned the TL2 does resolve the problem.  

 

 

Hi Joris, thanks for the swift reply!  I'm a little bit hopeful that the 280 card was faster, even marginally.  Even if it just "feels" a little faster, I would be happier with that.  This may sound like an abstract question but would you say it "feels" a little snappier?  Can I ask what brand your 280 is?  I noticed that Sandisk has a 300mb/s.   I wonder if that other "20mb/s" would make a difference at all...

 

Does anybody have any experience with the Sandisk UHS-II 300mb/s card vs. the Sandisk UHS-I 95mb/s card?

 

Thanks Joris,

Edber

Share this post


Link to post
Share on other sites
Guest VVJ

I tried it out once more with 95MB, 280MB and 300MB cards, all Sandisk.

 

I did find the 300MB slightly more snappier, more so than the 280MB.

 

Whether it is the improvement you are looking for is obviously something only you can tell.  I suggest you find a store or a colleague photographer and if possible try before buying.  

Share this post


Link to post
Share on other sites

I tried it out once more with 95MB, 280MB and 300MB cards, all Sandisk.

 

I did find the 300MB slightly more snappier, more so than the 280MB.

 

Whether it is the improvement you are looking for is obviously something only you can tell.  I suggest you find a store or a colleague photographer and if possible try before buying.  

 

 

Thank you JorisV!  That's all I needed to know!  I wish there was a try before buying policy over here but the "slightly more snappier" is all I need to hear.  I'll be picking one up.  Thank so much for the meaningful advice.

Share this post


Link to post
Share on other sites

I have a couple questions for those who have owned or had experience with the T and TL bodies. I realize this has been discussed in other threads, but I’m hoping for a little more insight. Even when auto review is turned off on my T body, the captured image lingers on the screen for a second (the equivalent of "blackout" on other cameras), prohibiting me from immediately composing my next shot. I admit that's not a lot of time, but it can have an impact on my shooting workflow. So my questions are 1) do the TL and TL2 also have this issue, and 2) does using a faster memory card decrease the time it takes for the monitor to become live again? For reference, I'm using a Panasonic SDHC Class 10 UHS-3 card with a 45 MB/s write time, and I'm shooting RAW (DNG) with 1.8 MB jpeg files. The T has no option for shooting DNG only, unfortunately.

 

Hi Jon,

I don't think a slow card is the villain: try without a card at all and it will write to the internal storage. If that is as slow it has nothing to do with the card. My card is 95MB/s, writing DNG+Superfine jpg.

When I set the autoview to zero (normally it is at 3 secs) it is not completely zero (estimate 1/4 of a second).

Lex

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
Sign in to follow this  

  • Recently Browsing   0 members

    No registered users viewing this page.

  • Similar Content

    • By nicci78
      After lots of discussion about future of APS-C. How many of you think that the real reason for CL/TL being held back is the lack of native lenses ? 
       
      A little history :
      - 2014 : T was released with two lenses : 18-56mm f/3.5-5.6 & 23mm f/2.0
      - 2015 : Then two more with 11-23mm f/3.5-4.5 & 55-135mm f/3.5-4.5
      - 2016 : Leica release the only two made in Germany TL lenses : 35mm f/1.4 & macro 60mm f/2.8
      - 2017 : CL was released with 18mm f/2.8 pancake lens  
      Leica were on a good track, 1 or 2 TL lenses per year. But after 2017 ? Nothing happened at all ! 
      We should have 10 to 14 lenses by now. Not 7. 
       
      Only 1 fast lens. Only a trinity of slow zoom lenses. Only 2 compact prime lenses.
      None of them have OIS. None of the bodies have IBIS. 
      No portrait lens, aka equivalent to fast 85/90mm or 70-200mm f/2.8. 
      No fast wide angle. ex : equivalent to fast 18/21mm. 
      These lens cannot be replaced with any adapted M and R lenses. 
       
      So what’s the problem here ? Leica may think that APS-C line do not sell well enough. So they stop releasing new lenses  ? It is a kind a vicious cercle. But  no new lens = death of the system. 
      Just like they left the S line died by releasing only bare minimum body upgrade and no new lenses for half a decade. 
       
      So what do you think about this situation ? 
    • By kodachrome
      Do L-Mount lens from Sigma or Panasonic work with the original T (typ 701) ?

      I use the camera as a backup to my CL with the variety of TL lenses or adapted lenses. I might be looking into a Panasonic for high res-images. The Sigma 24-70 f/2.8 is a favored lens I'm looking at, but there are others I might look at.
    • By jaeger
      regardless of RF or DSLR, there is grease mark on LCD.  I hate the smell days later if I forgot to wipe it.  For the same reason I don't like people touch my cameras... 
      I use right eye to focus which should be better than lefty.  I've tried to rotate my head clockwise to avoid touchy touchy but weird becoz I use both eyes.
      I have a diopter + prescription on the M already but my nose is still touching the LCD.  I'm thinking to add a larger eyecup that can push my face away a little which I haven't tired yet but would it work? 
      P.S. It's not an extreme case, my nose is normal to medium size.  =P
    • By wingedb11
      Don‘t know how others fell. But just saw that there is a new Firmware for the CL but nothing for the TL2 and this since a while. Communications turn primarily around CL. Is the T-series dead?
    • By plasticman
      Mike Johnston at TheOnlinePhotographer blog has been musing about the perfect 'simple' digital camera again, and I can't help thinking that a Leica T(L/2) fits his description perfectly - if only he (and his readers) knew it.
      He acknowledges that Leica is the only camera company embracing photographic simplicity, but the spectre of Leica prices keeps coming back - both in the blog posts and the comments - and the only cameras they seem to acknowledge are the M-series.
      To me, the menu system in the Leica T is the most intuitive and minimal interface that's possible in an advanced digital camera - especially the way that each user can choose their own subset of visible menu items: I have only 4 items in that menu, and regularly only use one of them (the metering type).
      Nowadays the T can be bought for less than a Fuji XE3. You can even pair it with an adapter for non-Leica manual lenses (ie: Olympus OM). Couldn't be simpler or cheaper.
      Incidentally, one of the points being missed in a lot of the comments on TOP's site is the scenario where the user changes a setting on a camera unintentionally. A lot of the commenters say it's easy to just ignore menus and settings they don't understand. But this was one of the problems I persistently had with my X100 - I'd pick it up after a long hiatus and somehow an exposure or other setting had been inadvertently changed, and it would first take me a while to notice, and then usually a long time to fix (hunting through tens of menus). And I'm an app developer, so used to device complexity.
      The T has solved all those problems perfectly.
×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use. We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue., Read more about our Privacy Policy