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Fujifilm Exposure Flexibility Using ISO Invariance

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Fujifilm exposure flexibility using ISO invariance. Understanding what is ISO invariance and why would you use it to improve exposure in your RAW files. REMEMBER: Everything mentioned in this video pertains to shooting in RAW format. For JPEG shooting, the post-production adjustments are not as applicable since you have less image data to work with.
📔 Table of Contents
00:00 Opening
00:17 Welcome
00:38 What is ISO?
00:57 Problems with High ISO
03:03 What is ISO Invariance?
06:15 Using ISO Invariance for Exposure Flexibility
09:31 Fujifilm RAW File ISO Invariance Tips
10:52 Geariguana Ceremony
11:49 Conclusion
12:19 Outro
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🎬 Production Notes
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Опубликовано:

17 авг 2024

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Комментарии : 158

@pal2tech 2 года назад

She does my intros/outros better than I do! 👍

@vishal_trivedi 2 года назад

😂👏🏽

@jeromec3725 2 года назад

👍😄

@bertzoetebier2327 2 года назад

at least she looks prettier ;-)

@eugenegirshtel 2 года назад

All in favor of having Chris' wife doing all outros going forward, say aye! AYE!

@luxdalet 2 года назад

You are both awesome! Thank you for another epic fun and educational video :)

@MrBratius 2 года назад

Being a Fuji shooter I love this channel and I am always learning new things to improve. THANK YOU!

@Enrique-the-photographer 2 года назад

I know that I said it before but I’ll say it again, when it comes to Fuji tutorials you’re second to no one (by far), this is a great video and very helpful. By the way, your wife is very pleasant to watch. Be well, stay safe and have a great weekend.

@user-je9lg3pc5y 2 года назад

Found this channel where the were only 20K subscribers and now you're at 85K. You are doing a wonderful job pal2tech 👏🏻, keep going and reaching a silver plate from RU-vid for 100k subs.

@pal2tech 2 года назад

Thank you so much. Your kind words mean more to may than any silver plate ever could! 🙏

@peterhamilton7218 2 года назад

This is a really powerful video. I have always under exposed by about 1/3 stop to save my highlights and then brought up the exposure later. I've always kind of felt like a fraud when I do that and wondered if it was a superficial effort. Thanks for showing us the ins and outs of this!

@mikafoxx2717 9 месяцев назад

Even better, for cinema cameras, changing the ISO on those don't even change the ISO, it's just changing the exposure compensation and changing the brightness for the screen in post. ISO for cinema cameras only change how many stops above or below grey you get, higher iso means more highlights and low iso means more shadows. Cameras generally don't do this even if they could. Shoot at base iso and use exposure compensation for iso invariant cameras for cinema style exposing. Make sure it's invariant before you do this or you're in for a bad time. Sony cameras and some others have two base ISOs, use only those and compensate. Use a software that uses 32 but floats like RawTherapee to avoid color casts with heavy adjustment in post from bad math, like Lightroom (possibly still) does.

@paulyoung4998 3 месяца назад

You are good.... Your explanation is simple direct and easy to understand, No mumble jumbo!

@hanneskaros6714 2 года назад

As far as my professor of camera technology told me, ISO is not the amplification of the sensor voltage. ISO just shifts the importance of the dynamic range window every sensor has. If you shoot a photo with ISO 100 1/100s f 4.0 and one with ISO 400 f 4.0 1/100s and you raise the exposure of the first photo in post by two stops, you would get the same image (considering shots are uncompressed raws) Video Gain however IS the voltage applied to the sensor (0,7 V at 0 dB) so plus 6 dB equals one stop brighter. The result is way more noise than high ISO

@JoaquimGonsalves 2 года назад

Seriously one of the most creative YTubers in this space. Right up there with PeterMcKinnon in my eyes.

@les-rencontres-de-sembe 11 месяцев назад

Thanks for your genius channel . I learned from you as never about my fuji !! Thank you from Belgium 🇧🇪

@philipsutton2316 2 года назад

Great Video Chris. I've been doing that kind of stuff for years but never knew the technicalities behind it - now I do. Better still - we get a good looking lady to do the intro and outro - well done!

@abelardojeda 2 года назад

Awesome, you just give the best EVER explanation about why RAW is better than jpg. That’s why after all these years using Fujifilm I don’t get too excited about Fuji recipes and film emulations. 🙋🏻‍♂️

@iaincphotography6051 2 года назад

Loving the Glamour you have brought into the mix Chris, and hey the lady is good. I liked the info bit in the middle too.

@izobrr 2 года назад

X-T4 has two native ISO: 160 and 640 that means if you shoot at ISO 640 or more it applies 4x electrical amplification first (actually it might be the signal is not amplified, but divided for ISO below 640, I don't know). But long story short, your comparison with ISO 200 was incorrect. The sensor got 4 times less signal, so SNR was worse and you actually saw more noise at ISO 200 raised 5 stops. If you shoot ISO 800 and raised 2 stops, then there will be trully the identical level of noise. Cameras which are not ISO invariant, there is not one amplification degree, but a different degree for every ISO value. That was necessary when bitness of the sensor was not able to cover multiple stops. 14 bit sensor means you have 6 bits equal to 6 stops of ajustment when you export 8 bit color depth.

@rikutalvio 2 года назад

X-T3 and X-T2 switch at 800, but I have not seen any read noise measurements with the X-T4. Can you point me to data showing it's 640? But yeah, this test at 200 is just wrong.

@alfrede.neumann5044 2 года назад

Just only for the intro and outro this video deserves at least a tripple thumbs up!

@robinpalmer9809 2 года назад

Brilliant video Chris! The ideas you so clearly expressed about "ISO Invariance" tied together a lot of things that I've been experiencing with getting exposure right. You've clarified a lot for me. Thank you!

@gregboyce360 2 года назад

Her bubbly outro was fabulous. Great info as usual. Thankyou.

@Joliaux76 2 года назад

Best introduction of the channel ever 😌

@DanielSuran 2 года назад

So nice of your cute daughter to help you out with intros/outros..😉😁🙌🏼

@vernonguidry5492 2 года назад

Geat tutorial that will influence how I shoot in high ISO circumstances with the X-E4 I just bought. I didn't even have the concept of ISO invariance, much less a strategy of incorporating the information in my photography.

@levirphillips 2 года назад

Great video Chris. After your video on DR I've been shooting mostly at DR200. When bracketing ISO for landscapes, 320 seemed to give the best result, rather than lower or higher once I had corrected all three to the same exposure stops. Might be something to explore there around getting the right balance of noise, dynamic range and sharpness!

@enjoythelittlethings3359 2 года назад

Prof. Fuji, good to see you back with full energy.......excellent video as always.

@4honor 2 года назад

Awesome intro/outro! Ha ha~ But yeah, shooting to save highlights, then bring back shadows in post is a good technique for all cameras~

@paulasimson4939 2 года назад

Your wife is so charming, Chris! P.S. - I'm hoping to see my name go up on the Geariguana Wall sometime! I've been a member for 5 months and proud to be supporting the excellent content on this channel.

@adiboyxbox 2 года назад

Incredibly good video Chris. Can't wait for your next video. Have a nice day !

@pal2tech 2 года назад

Thank you so much Adnan!!! 🙏 Cheers my friend!

@brucekraft744 2 года назад

That was a superb demonstration of ISO invariance! Thanks, Chris!

@M_freedomOfSpeech 2 года назад

Pal2teck You're too pro!! you make me come back to your channel, it's magnetic, I find the best explanation of any detail on your channel, thanks to your intelligence and effort. You are the best teacher men!! Give some class to fujifilm bro!! lool...🤣 keep on going!!!!!!

@TheRealStevenGlen 2 года назад

I've been casually wondering about if it matters in camera vs post- thanks for providing the info!

@JonnyOgg Год назад

this is an awesome instructional video!! subbed!

@SteveMcClanahan 2 года назад

And here I thought I knew most everything about my X-T3. Thanks for this very informative video!

@TungstenOvergaard 2 года назад

Nice to see your Pal2Live!! Interesting topic and advices. Cheers Chris & Family! Pd: you deserves 100k subs long long time ago, and not for the verification badge. You are awesome.

@Martin-nu6ym 2 года назад

Great video! I now understand how I have been using ISO Invariance for many years - never fully grasped the term till now. 🤪

@JohnChubbSr 2 года назад

Very cool to know! And "Flexibility" is always good, Chris. The intros and outros are beautiful!!!

@LifestyleBoudoir 2 года назад

another great video! And wonderful, as always, to see the Mrs! Great job Christine!!

@pal2tech 2 года назад

Thank you so much Michael!!! I hope you are doing great!

@bluemarkster 2 года назад

Thanks, nicely explained, with some good tip thrown in...

@anthonybrigden1298 2 года назад

Loving the new format with the nice lady doing the intro and outro.

@aku343 Год назад

Thank you so much! This will be a lot of help in how I think about shots

@catherinelanduyt9593 2 года назад

Great video Chris!! Thank you. Always looking forward to your videos. They are entertaining but also very interesting and helpful. Have a lovely weekend!

@cokeandtwirl 2 года назад

Love the intro/outro! As always very interesting and useful stuff for Fuji folk!

@zacharyf.9936 2 года назад

Chris what a tremendously helpful video! Took so much time i'm sure (like all your videos) but really really insightful.

@techtt6213 2 года назад

Looking forward to this! Always a bit hesitant with this

@jakobschneeberger3965 2 года назад

Very interesting remarks on ISO. Thanks 🙏. I love this intro/outro 😉.

@lazichimp Год назад

Thank you so much for sharing. I learn so much from you.

@msandersen 2 года назад

Fun fact: ISO on digital cameras don’t actually alter the exposure, as digital ISO is purely a post-capture signal gain; some cameras boost the analog signal off the sensor, some the digital signal after the analog-to-digital converter. None increase exposure, as you are not altering the light sensitivity of the sensor. What *does* alter exposure is amount of light; ie moving from the shadow to the direct sun, shooting on a sunny day vs overcast, or using a flash or continuous light, and the distance of the light from the subject. Hence all “exposure” triangles are wrong.

@jrc1156 2 года назад

Nope 😅

@Wuschti Год назад

Love your videos and your style to teach about basic photography principles. Though I'm a hobby photog for 9 years I can still learn some new stuff here :D keep up the good work. regards from germany

@patrickblot9928 2 года назад

Like we said in France: J’ADORE !!!

@justinbaldwin6396 2 года назад

That stare after "If you're moon-o and only have one eye, you don't want to blow it out." 😆

@trnfncb11 2 года назад

Brilliant! Hope this helps finally 'reducing the noise' in this subject.

@sandrovitalini1629 9 месяцев назад

Great video, thank you for this!

@camillodecesare691 2 года назад

Thank you. So much. I hope you get well.

@joerichard171 2 года назад

Great video and subject Chris, you always explain things so well

@hatpeach1 2 года назад

Excellent video, Chris. Thanks for making clear what took me years to work out.

@hellasgiannis 2 года назад

A new host ! Can’t wait to see the kids making the next video intro next to geariguana. As always a highly informative video . Also a question, have you seen the lectures of Mark Levoy on RU-vid ? I am at number 5 and they seem amazing .

@pal2tech 2 года назад

Not yet but I'll check him out today! Thank you!!!!

@JoeMcGuire 2 года назад

This was SO SO very helpful, thank you!! Especially now that I am finally looking to upgrade, either to an S10 or a T4.. HRMMM..

@joeharrisonnz 2 года назад

Your right but it's important people learn what exposure is and setting the best in camera settings

@AlexanderHaritakis 2 года назад

Great video!Thank you again!!

@fredericdirosa5863 2 года назад

Thanks a lot Chris. This is a very clever topic ! (As many others .....) I appreciate so much. Thanks again.

@kennethnielsen3864 2 года назад

Thanks for the super informative videoes you create, always a pleasure to watch, even if the topic is something I feel I know about, I still watch just because, sometimes there is a little gemstone in there. Have a nice day, and a greate weekend, take care.

@BradMorrisKA3YAN 2 года назад

Freaking awesome info. I had never heard of ISO invariance. Love it!

@Musicology76 2 года назад

greeeeeaaaaaaaaaaat video! c'mon, Chris....the road to 100k is started!

@juliedumouchel4637 2 года назад

Always learning a lot. Love your energy! Do you have a video on "shooting in a snowy landscape"? I live in Quebec, and lot's a snow here!

@ArminHirmer 2 года назад

nice intro and outdo and value in between :)

@braaji 2 года назад

U are a great teacher

@krishnaprasadkhandige3747 2 года назад

Best intro ever!

@kingsamvisuals 2 года назад

While ISO invariance is good it’s always better to shoot for the shadows at high iso. Lifting shadows is where it falls apart and like cleaner if you had just used a higher iso

@JaelDnUa 2 года назад

And now we need to deside do we want a flexibility of shooting underexposed images, or the ability to quickly post jpegs by shooting raw+jpg. Can't have both. Sadly. So I left this method for some special ocasions. And mostly am shooting raw+jpg trying to get the jpg right and get away without editing.

@vungtran6205 2 года назад

Very helpful video, thank you Chris!

@Peter-Dirks 2 года назад

You are so right! Many thanks 👍

@mrenovatio3739 2 года назад

Does the X-T4 have the waxy skin tone effect when using high ISO in camera? I know it was an issue with the X-T1 and similar old Fuji cameras. Using low ISO in camera and raising in post (even using the in-camera push processing after taking the photo) had much better results in those cameras.

@Ebrospot 2 года назад

Very helpful, thank you a lot

@ytbobo31 2 года назад

Brilliant video

@vaphie 2 года назад

I'm a new follower but I think you are right. Take a rest and care of you

@dude157 Год назад

So really then, the trade off for iso is not the amount of noise in the image, the trade off is dynamic range, iso3200 is losing 5 stops of dynamic range, it's adding no more noise than iso100. The amount of noise in the image is simply determined exclusively by how many photons your sensor captures during an exposure relative to the efficiency of the sensor. So noise is actually controlled by shutter and aperture. That means the exposure triangle should be Aperture : Trade off depth of field. Shutter spees: Trade off freezing or blurring motion Iso: Trade off Dynamic range.

@rocketmanab 2 года назад

What a great video!

@alanplatt888 2 года назад

Love it. Great video.

@SquirrelHybrid 2 года назад

Does ISO invariance work both ways to recover highlights and reduce perceived noise? So if 3,200 can match 12,800 by raising 2 stops in post, can 12,800 also match 3,200 by lowering 2 stops?

@RCWolfFPV 2 года назад

This is pretty much why I have 2 ISO settings.. 640 and 2000 ALWAYS ( at least in Flog Video) I know its not exactly the same as its not raw, but I find it almost equally clean . I never touch ISO since I post process every shot/ image.

@stevechan5569 2 года назад

Another great informative presentation. Cheers! By the way, she should do your intro more frequent.

@flirtingdisaster 2 года назад

To shorten the vid: Protect your highlights. Brighten them it in post. :)

@mxrite 2 года назад

Thank you.... was unknowingly doing this to protect the highlights.... :-)

@sandyrane_stargazer 2 года назад

Love the channel and specially your tips. Can u please make a video for astro settings for fuji cameras as I'm using fuji xe4 and while taking tracked long exposures of 60 secs & even with 200 iso whole image goes blown up with light. Thanks!!

@anelposi516 2 года назад

Amazingly explained

@jimgibson5265 2 года назад

Damn Chris...where do you think this stuff up at. Outstanding!!

@paulcomptonpdphotography 2 года назад

That is very interesting wow. I have a wedding coming up never shot one on a Fuji before lol. I would like to know what you say about iso low. As I get told a lot on my channel why don't I use low as its better that 160 but understand its not?

@mytravellinfo 2 года назад

OK after watching your DR-400 and High Dynamic range video, I started to shoot at ISO 640 so that I can achieve DR-400 and and not get any highlight blown away as I am a landscape shooter. I know I can achieve the same goal with ISO 160 but that would require little bit more task on LR, yes LR now have new masking tools and somehow I feel it punch the sRGB color with the monitor better and sync it better. I was in fact a dedicated Capture One fan but to be honest with my personal experience I have seen that after using the latest LR the images has something that CaptureOne missed. I can not control users monitors brightness or faulty color profile but over all LR output looks better. Anyway the discussion is, after watching your Dynamic Range videos I have decided to take all my landscape shot with ISO 640 with DR-400 as most of my shots are in between darks and the lights. And I still consider ISO 640 is something on a daylight that I can bare with the noise that they can produce. OR would you suggest my to go back to ISO 160 or in some cause I can lower it down to ISO 80 on my X-T30 and use tripod and perhaps use multi exposure manually and stack them together in photoshop to have a better result?

@matt88169 11 месяцев назад

Short answer is that I am moving away from using DR400. I took a shot of the same scene on a bright, sunny day. One using DR400 iso 640, and a second shot using DR100 Iso 160. Both were shot raw. In post, the DR400 had the better stock look, I think, but it definitely had more noise in the shadows-i got a better exposure from base iso and could manipulate it to look great. Both were usable images for sure but the lesson was to take the shot more than one way since DR400 is not always the cleanest result, if that’s what you’re hoping for. If I knew I’d develop in camera, I’d probably stick to DR400 since you don’t have nearly as much latitude to adjust shadows/highlights of a high contrast scene.

@NObbie 2 года назад

Wow this was really useful!!

@jonathanm2690 2 года назад

Would you recommend this camera for a beginner, I love the simplicity of the dials/settings

@Teddy-ne3gd 2 года назад

Again: Well done. Thank you.

@artphototech 2 года назад

Amazing explanation. Thank you!

@pal2tech 2 года назад

Thanks Luis!!! 🙏

@TheGokux 2 года назад

Doesn't Dual Native ISO of the X-T4 somewhat contradict ISO Invariance? So you should split it into ISO Invariance from 160-640 and 640+.

@kabbosyed9096 2 года назад

Can you please make a video on auto focusing adapters to use lenses from other brands on fujifilm camers...eg-fringer adapter.. Great video as always

@barrymayes6712 2 года назад

Great video-thanks! I love Fuji JPEG’s but of course Fuji processes them really well in-camera. I dislike editing Fuji raw-awful. What’s your advice about underexposing Fuji JPEG’s?

@patriciatruex2233 2 года назад

Your wife is SO pretty and she did a great job!!

@pal2tech 2 года назад

🙏🙏🙏

@bjrn-andre169 2 года назад

1:45 was so funny to me for some reason 🤣

@GrandHuevotes 2 года назад

Good video. Though if I want to retain highlights the easier and simpler thing to do is just use exposure comp. No need to give ISO and “stops” any thought. Of course that takes experience but ISO invariance gives you a lot of room to “guess.” Also can you do a video on bokeh quality difference at various shutter speeds when using e-shutter vs mechanical shutter? There is a difference at high shutter speeds and 99.99999% of the internet doesn’t know or get this. I’d do a video but terrible at making videos. You’d do a much better job showing. I’ve done internal testing using an XT3 and 56 1.2 and it’s true. Peoples minds will be blown. (Easier to show the results that way) and apparently is same with any brand of camera using e shutter.

@boazsayar1193 2 года назад

There are AI programs by DXO and Topaz that can reduce the noise at post.

@josecolon8143 2 года назад

🤣😂🤣😂🤣 outstanding intro/outro 🎖🎖🎖🎖

@NBPT428 2 года назад

Great video. I have an X-T3 and I am definitely going to apply this tip going forward. Just curious, would you compromise this process by using the exposure compensation dial for part of the exposure differential? Thanks so much!!

@vishal_trivedi 2 года назад

Thanks Chris(tine) 😂👍🏽 Say you wouldn’t happen to know what the best bang for buck ISO setting would be for shooting low light video? I recall the XT3 & XT4 are dual gain sensors, so 800 is better value then 640, 2000 is better than 1600 ? Something like that. And then I heard this is only for FLOG? Huh? Is that true? Any idea?

@merlebecker8417 2 года назад

Look out there Chris. Better tighten up that contract on her scope of work - Now!! :)

@stefannilsson5907 2 года назад

Thanks for interesting video. A question is if there is a point in always underexpose say 2 stops? Other than if you can expose at base iso and correct exposure of course. You wouldn't blow out any highlights that way.