k3 and auto iso

FunnyUncle · 03-27-2015, 11:55 AM

Hallo,
Pls help, is it possible to use auto iso during AV and TV mode?

I know how TAV mode works. But I need to know if it's possible to use it in AV and TV mode.

Thx for help...

hcc · 03-27-2015, 12:32 PM

Yes definitely in TV. (I do not use AV) In M also, ISO is on Auto ISO unless you set manually ISO (that I usually do in M).

stevebrot · 03-27-2015, 12:33 PM - **1 Like**

Yes. It is in the camera manual. While holding down the ISO button, press the green button. The only modes where you can't choose between auto and fixed ISO are Sv (duh), TAv, M, B, and X.

Steve

stevebrot · 03-27-2015, 12:42 PM

Originally posted by hcc

In M also, ISO is on Auto ISO unless you set manually ISO (that I usually do in M).

????

This is true for the K-50 and several other Pentax bodies where the camera does a silent fail-over to TAv, but M mode on the K-3 is truly manual for aperture, shutter speed, and ISO with no funny business.

Steve

Last edited by stevebrot; 03-27-2015 at 12:49 PM.

enoeske · 03-27-2015, 12:50 PM

Originally posted by stevebrot

????

This is true for the K-50 and several other Pentax bodies (actually a silent fail-over to TAv), but M mode on the K-3 is truly manual for aperture, shutter speed, and ISO with no funny business.

Steve

If you turn on Auto-ISO in M mode, you have entered TAv.

**boriscleto** · 03-27-2015, 12:54 PM

Originally posted by enoeske

If you turn on Auto-ISO in M mode, you have entered TAv.

The K-30 and K-50 inherited their firmware from th K-01. The K-01 used AutoISO in M mode as a pseudoTAv. All other Pentax DSLRs behave correctly AFAIK.

stevebrot · 03-27-2015, 12:56 PM

Originally posted by enoeske

If you turn on Auto-ISO in M mode, you have entered TAv.

I don't believe that is possible. I have my K-3 in hand (firmware v1.11) and it will not switch to auto-iso when in M mode. In my opinion, that is one of the strong points of the camera.* If you are able to do otherwise, please provide step-by-step instructions. I may have an empty space in experience with the K-3.

Steve

* I am not a fan of Auto-ISO...too many troubleshooting requests on this site where it was the underlying cause of user confusion...

Last edited by stevebrot; 03-27-2015 at 01:02 PM.

FunnyUncle · 03-27-2015, 01:02 PM

Originally posted by stevebrot

Yes. It is in the camera manual. While holding down the ISO button, press the green button. The only modes where you can't choose between auto and fixed ISO are Sv (duh), TAv, M, B, and X.

Steve

Thanks a lot for your help!!!!

stevebrot · 03-27-2015, 01:05 PM

Originally posted by boriscleto

All other Pentax DSLRs behave correctly AFAIK.

That is my understanding as well.

Steve

Caver · 03-27-2015, 02:58 PM

Originally posted by boriscleto

The K-30 and K-50 inherited their firmware from th K-01. The K-01 used AutoISO in M mode as a pseudoTAv. All other Pentax DSLRs behave correctly AFAIK.

-- Yes. K-5II in M mode has no auto ISO mode.
-- On my K-01 auto ISO is possible in M mode - and then TAv is displayed on the lcd.

Adam · 03-27-2015, 03:23 PM - **1 Like**

Originally posted by stevebrot

I don't believe that is possible. I have my K-3 in hand (firmware v1.11) and it will not switch to auto-iso when in M mode. In my opinion, that is one of the strong points of the camera.* If you are able to do otherwise, please provide step-by-step instructions. I may have an empty space in experience with the K-3.

I'm pretty sure you're right. What would be the point of a dedicated TAv setting if auto ISO were also possible in M mode...

**boriscleto** · 03-27-2015, 03:49 PM

Originally posted by Adam

What would be the point of a dedicated TAv setting if auto ISO were also possible in M mode...

But it is on the K-30/50/500.

stevebrot · 03-27-2015, 03:59 PM

Originally posted by boriscleto

But it is on the K-30/50/500.

Where it has caused no end to the confusion of unsuspecting users.

Steve

Fogel70 · 03-28-2015, 02:55 AM

Originally posted by Adam

I'm pretty sure you're right. What would be the point of a dedicated TAv setting if auto ISO were also possible in M mode...

The TAv mode have the advantage of having auto-ISO that is not possible to disable.

It's about the same advantage as also have Av and Tv modes on cameras with Hyper-Program mode. Just because Av and Tv is available in Hyper-Program, does not mean that there is no use of having dedicated Av and Tv modes.

But on cameras with auto-ISO in M-mode and dedicated TAv-mode, it would be nice to have an option to disable auto-ISO in M-mode.

jamarley · 04-02-2015, 10:34 AM

Originally posted by stevebrot

While holding down the ISO button, press the green button.

Steve, this makes perfect sense. But it begs the question how does this get fouled up in the first place?

Jeff

03-27-2015, 11:55 AM	#1
FunnyUncle Junior Member Join Date: Feb 2015 Posts: 41	k3 and auto iso Hallo, Pls help, is it possible to use auto iso during AV and TV mode? I know how TAV mode works. But I need to know if it's possible to use it in AV and TV mode. Thx for help...

03-27-2015, 03:23 PM - 1 Like	#11
Adam Administrator Site Webmaster Join Date: Sep 2006 Location: Arizona Photos: Gallery \| Albums Posts: 51,595	Originally posted by stevebrot I don't believe that is possible. I have my K-3 in hand (firmware v1.11) and it will not switch to auto-iso when in M mode. In my opinion, that is one of the strong points of the camera.* If you are able to do otherwise, please provide step-by-step instructions. I may have an empty space in experience with the K-3. I'm pretty sure you're right. What would be the point of a dedicated TAv setting if auto ISO were also possible in M mode... Adam PentaxForums.com Webmaster (Site Usage Guide \| Site Help \| My Photography) PentaxForums.com server and development costs are user-supported. You can help cover these costs by donating or purchasing one of our Pentax eBooks. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, KEH, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

03-28-2015, 02:55 AM	#14
Fogel70 Pentaxian Join Date: Sep 2009 Location: Stockholm, Sweden Photos: Albums Posts: 3,062	Originally posted by Adam I'm pretty sure you're right. What would be the point of a dedicated TAv setting if auto ISO were also possible in M mode... The TAv mode have the advantage of having auto-ISO that is not possible to disable. It's about the same advantage as also have Av and Tv modes on cameras with Hyper-Program mode. Just because Av and Tv is available in Hyper-Program, does not mean that there is no use of having dedicated Av and Tv modes. But on cameras with auto-ISO in M-mode and dedicated TAv-mode, it would be nice to have an option to disable auto-ISO in M-mode. Last edited by Fogel70; 03-28-2015 at 03:02 AM.

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03-27-2015, 12:32 PM	#2
hcc Pentaxian Join Date: Nov 2009 Location: Brisbane, Australia Photos: Gallery \| Albums Posts: 4,002	Yes definitely in TV. (I do not use AV) In M also, ISO is on Auto ISO unless you set manually ISO (that I usually do in M).

03-27-2015, 12:33 PM - 1 Like	#3
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Yes. It is in the camera manual. While holding down the ISO button, press the green button. The only modes where you can't choose between auto and fixed ISO are Sv (duh), TAv, M, B, and X. Steve

03-27-2015, 12:42 PM	#4
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by hcc In M also, ISO is on Auto ISO unless you set manually ISO (that I usually do in M). ???? This is true for the K-50 and several other Pentax bodies where the camera does a silent fail-over to TAv, but M mode on the K-3 is truly manual for aperture, shutter speed, and ISO with no funny business. Steve Last edited by stevebrot; 03-27-2015 at 12:49 PM.

03-27-2015, 12:50 PM	#5
enoeske Veteran Member Join Date: Jul 2009 Location: Surprise, Az Photos: Gallery Posts: 2,136	Originally posted by stevebrot ???? This is true for the K-50 and several other Pentax bodies (actually a silent fail-over to TAv), but M mode on the K-3 is truly manual for aperture, shutter speed, and ISO with no funny business. Steve If you turn on Auto-ISO in M mode, you have entered TAv.

03-27-2015, 12:54 PM	#6
boriscleto Loyal Site Supporter Join Date: Dec 2009 Location: North Syracuse, NY Photos: Gallery Posts: 16,475	Originally posted by enoeske If you turn on Auto-ISO in M mode, you have entered TAv. The K-30 and K-50 inherited their firmware from th K-01. The K-01 used AutoISO in M mode as a pseudoTAv. All other Pentax DSLRs behave correctly AFAIK.

03-27-2015, 12:56 PM	#7
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by enoeske If you turn on Auto-ISO in M mode, you have entered TAv. I don't believe that is possible. I have my K-3 in hand (firmware v1.11) and it will not switch to auto-iso when in M mode. In my opinion, that is one of the strong points of the camera.* If you are able to do otherwise, please provide step-by-step instructions. I may have an empty space in experience with the K-3. Steve * I am not a fan of Auto-ISO...too many troubleshooting requests on this site where it was the underlying cause of user confusion... Last edited by stevebrot; 03-27-2015 at 01:02 PM.

03-27-2015, 01:02 PM	#8
FunnyUncle Junior Member Join Date: Feb 2015 Posts: 41 Original Poster	Originally posted by stevebrot Yes. It is in the camera manual. While holding down the ISO button, press the green button. The only modes where you can't choose between auto and fixed ISO are Sv (duh), TAv, M, B, and X. Steve Thanks a lot for your help!!!!

03-27-2015, 01:05 PM	#9
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by boriscleto All other Pentax DSLRs behave correctly AFAIK. That is my understanding as well. Steve

03-27-2015, 02:58 PM	#10
Caver Pentaxian Join Date: Jun 2009 Location: Hungary (ex-pat from Transylvania, Romania) Photos: Gallery Posts: 541	Originally posted by boriscleto The K-30 and K-50 inherited their firmware from th K-01. The K-01 used AutoISO in M mode as a pseudoTAv. All other Pentax DSLRs behave correctly AFAIK. -- Yes. K-5II in M mode has no auto ISO mode. -- On my K-01 auto ISO is possible in M mode - and then TAv is displayed on the lcd.

03-27-2015, 03:49 PM	#12
boriscleto Loyal Site Supporter Join Date: Dec 2009 Location: North Syracuse, NY Photos: Gallery Posts: 16,475	Originally posted by Adam What would be the point of a dedicated TAv setting if auto ISO were also possible in M mode... But it is on the K-30/50/500.

03-27-2015, 03:59 PM	#13
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by boriscleto But it is on the K-30/50/500. Where it has caused no end to the confusion of unsuspecting users. Steve

04-02-2015, 10:34 AM	#15
jamarley Site Supporter Join Date: Dec 2010 Location: New Jersey Photos: Gallery Posts: 409	Originally posted by stevebrot While holding down the ISO button, press the green button. Steve, this makes perfect sense. But it begs the question how does this get fouled up in the first place? Jeff