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Archive 2009 · about new EMF canon chip

  
 
bigis
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p.1 #1 · about new EMF canon chip


A is the Exposure aperture data recorded function useful?

User complained about incorrect exposure,we knew that cause by wrong operating. but If we disable this function, no more complain.

B we do offer Focal Length, Max aperture, 32 levels AF micro-adjustment functions, what kind of function do your need otherwise?

C do you feel our program process is difficult? Or just our poor English cant get things straight?

EMF USER'S MANUAL

thank you

it is a easy way to get picture without wrong exposure, just set the max aperture, and never turn it again.

Edited on Jul 07, 2009 at 12:01 PM · View previous versions



Jul 07, 2009 at 06:04 AM
Empire
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p.1 #2 · about new EMF canon chip


ahhhh big-is the ebay seller of adapters and AF-confirm chips. Took me a minute to figure out what was being talked about here.


Jul 07, 2009 at 06:23 AM
erichard
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p.1 #3 · about new EMF canon chip


I personally would rather not have to think about so many steps in taking a picture just to add the correct aperture to the EXIF. Maybe for a very slow, meticulous landscape photographer it would be worth it, but I'd rather get the exposure right every time, rather than risk missing the photo due to the complex sequence of adding the correct aperture. It looked good on paper, and it was a nice thought, but I'd just fix the aperture to the max aperture and leave it there.

[edited, just realized my suggestion wouldn't work on alt lenses with adapter]

I think you put out a good product, and the new microadust is a very good addition. Allowing actual aperture settings in the EXIF is a double edged sword, meaning it's going to surprise a lot of customers when they get bad exposures (because they don't follow your instructions).

The english is a small problem. I generally get what you are saying in the emails, and I assume it's the same on your end. That has not stopped me from ordering in the past. I like your attitude very much.

Regards.

Edited on Jul 07, 2009 at 12:34 PM · View previous versions



Jul 07, 2009 at 11:33 AM
rhorta
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p.1 #4 · about new EMF canon chip


What many steps?

You can make it as complex as you want.

In general talking of a prime you only have to set up the chip once.

That will give 2 items of information, the focal length and max. aperture, which in many cases is enough to indicate what lens was used. Of course if you have multiple lenses of similar focal length and aperture this doesn't work. Nor does it give the correct aperture once you stop
down. Other than that it is almost as easy to use as AF.

I think many people simply misunderstand the function of this AF-confirmation chip.

The only flaw is the ability to change the aperture settings after programming, which does nothing but confuse.

Other than that the BIG IS chip is easy and effective, IMHO.

Now if only the Pentax PK mount wasn't rotated 45dgr, but that is a different matter

Ruy


EDIT : many typos etc

Edited on Jul 07, 2009 at 02:27 PM · View previous versions



Jul 07, 2009 at 11:43 AM
benben999
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p.1 #5 · about new EMF canon chip


Thanks so much for the new manuals but, I wonder... if the aperture still being changeable by mistake in this new firmware I've got your early free trial chip and were very annoyed with this issue... although it is free, I must admit.


Jul 07, 2009 at 11:44 AM
erichard
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p.1 #6 · about new EMF canon chip


rhorta wrote:
What many steps?

The only flaw is being able the ability to change the aperture settings after programming, which does nothing but confuse.y


That is the "many steps", to add the correct stopped down aperture. It's too many steps to be worth it, and since I never want to use it, it becomes only a liability because I sometimes accidently change the aperture on the camera. If there were a way to turn it off, it would be good, and let those who want to go through so many steps turn it on do so.

I guess the main question is, does anyone like the new ability to set the stopped down aperture in the EXIF enough to warrant it's continuation in his next version of the chip?

Otherwise, I agree with rhorta (actually I think we agree altogether, except the confusion on "many steps").



Jul 07, 2009 at 11:53 AM
bigis
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p.1 #7 · about new EMF canon chip


benben999 wrote:
Thanks so much for the new manuals but, I wonder... if the aperture still being changeable by mistake in this new firmware I've got your early free trial chip and were very annoyed with this issue... although it is free, I must admit.


would you only set aperture on the MAX aperture value, and never turn it again? that's easy way to take picture and avoid wrong exposure¡£





Jul 07, 2009 at 11:57 AM
bigis
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p.1 #8 · about new EMF canon chip


rhorta wrote:
What many steps?

You can make it as complex as you want.

In general talking of a prime you only set up the chip once.

That will give 2 items of information, the focal length and max. aperture, which in many cases is enough to indicate what lens was used. Of course if you have multiple lenses of similar focal length and aperture this doesn't work. Nor does it give the correct aperture once you stop
down.

Other than that it is almost as easy to use as AF.

I think many people simply misunderstand the function of this AF-confirmation chip.

The only flaw is being
...Show more

Hi, i am very sorry hearing the pk adapter issue. I tested a PK 50MM F2.8, you are right. We will contact our provider today later. If we get any right adapter, you will have backup.
Regards



Jul 07, 2009 at 01:33 PM
John Black
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p.1 #9 · about new EMF canon chip


A couple questions -

1) After completing the set-up process, is the configuration data stored on the chip permanently? Meaning, if I remove the lens from the camera, is all the data there when the lens is re-mounted say 2 months later?

2) Does this mean if I turn the control dial on the canon body in Av mode that aperture value in display actually changes? Lets say I have a 50mm lens on the 1Ds3, the aperture ring on the lens is set at F4. Do I turn the dial on the camera (like I would with any other normal AF lens) to F4, thus recording F4 in the EXIF?

If this is a one time set-up thing, then that's not too bad. Setting the aperture on the lens and then setting the aperture on the camera would be quasi-annoying, but i guess that's the price for matched EXIF data. All in all, it sounds interesting if I'm understanding it correctly.



Jul 07, 2009 at 02:40 PM
bigis
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p.1 #10 · about new EMF canon chip


John Black wrote:
A couple questions -

1) After completing the set-up process, is the configuration data stored on the chip permanently? Meaning, if I remove the lens from the camera, is all the data there when the lens is re-mounted say 2 months later?

2) Does this mean if I turn the control dial on the canon body in Av mode that aperture value in display actually changes? Lets say I have a 50mm lens on the 1Ds3, the aperture ring on the lens is set at F4. Do I turn the dial on the camera (like I would with any other normal
...Show more

1) after completing the setup process. all configuration date stored on chip. even remove from the camera or power off the camera. It does have a rpprom to store date for many many years.

2 the aperture ring on the lens is set at F4, if you only turn the dial on the camera to F4, you will get wrong exposure. You have to full open metering and lock exposure before stop down to F4. The F4 will record in EXIF.

And as I said, you would only set max aperture and never turn the dial again, the Max aperture can record in every pic.

thank you.



Jul 07, 2009 at 10:40 PM
makron
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p.1 #11 · about new EMF canon chip


Bigis,

Does the AF chip drain a lot of battery power for the case when one never turn off the camera (ie. camera main switch is at ON position always) and the camera only goes into sleep mode?

Thanks.



Jul 08, 2009 at 12:14 AM
bigis
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p.1 #12 · about new EMF canon chip


makron wrote:
Bigis,

Does the AF chip drain a lot of battery power for the case when one never turn off the camera (ie. camera main switch is at ON position always) and the camera only goes into sleep mode?

Thanks.


Erasable Programmable ROM inside. Keep date in chip without power.

thank you



Jul 08, 2009 at 03:43 AM
Cableaddict
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p.1 #13 · about new EMF canon chip


BigIS,

It's good to see you are trying to "get things right" both with the product & with the customers.

I agree that these extra steps are not worth the trouble, and just complicate matters. Also, I just don't understand why we can't program ANY max aperture number, the same as with FL. How stupid of them. I have several similar adapters from another source, and they are for lenses with aps of 3.0, 2.3, etc. Arggghh...


last: The adapters I have also have an "auto shutter" function, wherein the shutter will fire as you focus-into the zone. At first I thought this was going to be very handy for low-light shooting, but it turned out to me a mess. You can't easily turn it off, and in low light, it often means that you can't fire the shutter at all. I lost a lot of great shots because of this. Now those three adapters are collecting dust on my shelf.

Do yours have this feature?



Jul 08, 2009 at 04:15 AM
benben999
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p.1 #14 · about new EMF canon chip


I guess the problem of limited set of max aperture number is for Canon. I ever got two Tamron AF lenses for both Canon and Nikon it happens that Nikon can show and save f/3.8 max. aperture but Canon cannot...


Jul 08, 2009 at 05:31 AM
rhorta
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p.1 #15 · about new EMF canon chip


bigis wrote:
Hi, i am very sorry hearing the pk adapter issue. I tested a PK 50MM F2.8, you are right. We will contact our provider today later. If we get any right adapter, you will have backup.
Regards


Thanks Big IS, although I didn't bother contacting you directly on this issue, I very much appreciate the effort to improve your products. This isn't something critical, but it does annoy me with regular usage.

I've got two of the early programmable chips, do they include the Micro Adjust routine as well?

Another question (also relating to non standard Apertures) is the effect of the 1/3 EV setting in the opening sequence of the programming routine. Does this value have any effect on the final metering? If not, does having any EV value during the final aperture settings sequence have effect on the metering? If this does have an effect, does it work through all aperture values or just wide open?

If it does work, it could be used to either correct a "dark" lens or offset a non standard aperture (f/1.8 on camera vs f/1.7 on lens).

I hope that I am still making sense.

Ruy



Jul 08, 2009 at 12:19 PM
bigis
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p.1 #16 · about new EMF canon chip


rhorta wrote:
Thanks Big IS, although I didn't bother contacting you directly on this issue, I very much appreciate the effort to improve your products. This isn't something critical, but it does annoy me with regular usage.

I've got two of the early programmable chips, do they include the Micro Adjust routine as well?

Another question (also relating to non standard Apertures) is the effect of the 1/3 EV setting in the opening sequence of the programming routine. Does this value have any effect on the final metering? If not, does having any EV value during the final aperture settings sequence have effect on
...Show more

Hi, I contacted every PK ADAPTER maker at local, fail to find a right one. and thre is not too many people to use PK adapter like contax, m42. At least, 1000 pcs/order, it is bottom line of factory, we can't sell them too many.

the early chip does not enable MICRO ADJUSTMENT, you can have free updating. Just pay 4 USD registered mail, we will send you 2 newest chip.

it does not effect mettering. and we does not assign a value to aperture value. We only showdown a value to camera. And CANON CAMERA does not support adapter value like' F1.7'

Thank you.



Jul 10, 2009 at 02:46 AM
bigis
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p.1 #17 · about new EMF canon chip


the free trial is beginning. after that, we will decide if disable EXIF recording function or not.




Jul 10, 2009 at 02:50 AM
benben999
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p.1 #18 · about new EMF canon chip


So... do you mean the new trial chips are different from the one sold on your ebay listing at the moment? Or the chips sold on your ebay listing is still until trial


Jul 10, 2009 at 07:18 AM
JimBuchanan
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p.1 #19 · about new EMF canon chip


Cableaddict wrote:
last: The adapters I have also have an "auto shutter" function, wherein the shutter will fire as you focus-into the zone. At first I thought this was going to be very handy for low-light shooting, but it turned out to me a mess. You can't easily turn it off, and in low light, it often means that you can't fire the shutter at all. I lost a lot of great shots because of this. Now those three adapters are collecting dust on my shelf.

Do yours have this feature?


I have this "other brand" chip and this feature can be turned off. I think it is "f9"



Jul 10, 2009 at 07:29 AM
bigis
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p.1 #20 · about new EMF canon chip


benben999 wrote:
So... do you mean the new trial chips are different from the one sold on your ebay listing at the moment? Or the chips sold on your ebay listing is still until trial



they are same. more than 250 users tested this version in China, it works well. Free trail just a promotion.

The next version, we may disable EXIF recording function.



Jul 10, 2009 at 11:28 AM
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