Ilford Delta 100 - Long Exposure Clouds - Reciprocity Failure
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- Опубліковано 27 січ 2019
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ABOUT THIS VIDEO
In this video I am using Ilford Delta 100 Pro for Long Exposure Cloud Photography
at the local Windmill here on the Isle of Wight.
My first attempt using the Mamiya 645 was a bit of a disaster. I came away with a nice print
but not the Long Exposure I was hoping for.
My second attempt I used a ND1000 Filter with a Chinon SC 35mm Camera giving me 10 Stops less light meaning I could hopefully get some nice Long Exposure Images during the day. The clouds were not on my side but I managed
to come away with a half decent print showing some streaky cloud.
I calculated the Reciprocity Failure of the Ilford Delta 100 using Ilford calculation as shown on their fact sheet (Link Below)
I also used a cheat sheet for compensating for the ND 1000 filter.
I feel a bit more comfortable with Reciprocity Failure after trying it out.
LINKS
ND FILTER
www.jackthehat.co.uk/iron-52m...
ILFORD DATA SHEET
www.ilfordphoto.com/dp100-135
ND FILTER CALCULATOR
/ 1015901595421364224
RECIPROCITY FAILURE
en.wikipedia.org/wiki/Recipro...)
ABOUT MY VIDEOS
If my videos inspire, create ideas and help others in film photography and darkroom work then it's worth making them.
I always welcome comments that are useful towards the video subject that will help others understand the process within.
Keep shooting and thanks for watching.
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This video is kind of a new journey for me into the Reciprocity Failures we have to compensate for when shooting longer exposures. I'm scratching the surface here and will eventually feel more comfortable with it moving forward. Hopefully it will help those that are also on the same journey.
It's great to see someone shooting and printing. Makes a change from the endless new gear tests. Ilford should sponsor you!
I love that you don’t hold back on your language keep up the great work.
Thanks for letting us tag along in your experimenting! I've got 4 35mm rolls Ilford Delta 100 for my first attempts back into film shooting and film development. I've got 4 old cameras that my son and I are going to try out. Hopefully no light leaks!
Other manufacturers: "here's s vague chart and a recommendation to just kinda figure it out."
Illford: "here's an exact formula to use."
I've been shooting film for 45 years and I appreciate what you are doing - that's a lot of work. That's film, you have to earn your chops by learning what works, plus it is time consuming. Digital processing is like cheating it's so powerful and easier. Get a lot more pleasure out of the craft of film photography when you get it right.
Exactly why I shoot more film Steve. Digital is great and a lot easier but I find the workflow of film more challenging and rewarding.
@@ShootFilmLikeaBoss i totally agree i could easy go back to film full stop, so so much more rewarding
I much prefer film. I still get a real sense of excitement when I'm shooting with a film camera which I don't get when using a digital camera.
@@ShootFilmLikeaBoss I agree. I must use digital to get paid (sports), but I've just begun the process of getting back to film. Just waiting on some Russian cameras & some film. I think film is going to get me back to "enjoying" photography like I used to. Great vids, love the channel.
Roger, your a wiz in the darkroom. Love the way you find solutions for exposure issues.
"Shit!..... I forgot me camera" :-D That was funny :-D
Crackin vid bud. Off to watch your contrast filter vid again now :-)
Ha ha. Thanks Iain! The walking shot.
I love your sense of humor. Keep up the good work.
You have taken things to the next level mate. Four dimensional photography, based on obtuse calculations that even Stephen Hawking would not fully understand. Not sure what daemons possess your soul, to bring your photography game up to these insane and brilliant levels.
Great video we are all learning !
Wow! I need some coffee, 30min of happiness)))
Ha ha!!
A very nice print at the end !
I think so too!
I've been working with D100 for long exposures for years. I probably know it better than any other film in my bag. Your video was very well done. I hope it inspires others to take advantage of what I consider to be one of the finest films ever produced. Keep shooting, sir.
Thanks Jon!
Love that intro! Great sense of humor.
Excellent results! I loved this video, its full of detail and really well presented.
Thanks Andrew. It was a tricky one.
What a great video!!! Awesome work!!!
Great final print..love the drama
Great vid as always and really informative.
Oh,
I still have so much to learn.
Me too. It's never ending but fun 😁
Great work Roger! Very well done indeed, and no one can say you’re not committed to your art but it was well worth the results. The best thing about your channel is your willingness to try and experiment. A great video, thank you for the work you put in to it.
Thanks Mark. Always good to hear from you.
Thanks for the video, interesting to see you at the start of gaining a new skill
Ha ha
Great story. Great shot and job in the darkroom.
Thanks Heiko. Glad you enjoyed it
Very useful and very entertaining!
terrific video we all fall in that pitfall in shoting analog photo graphy.example me leaving my light meter at home.a fan a yank from california.
Ha ha... Thanks.
Brilliant video fella
Nice video I’m new to your channel but I’m learning so much. Saturday I picked up a meopta 35mm enlarger and bought a Paterson safe light for €2 and getting all the other equipment free also. So my journey starts thanks to you.
Thanks Tom. Welcome to the darkroom!
Very cool, nice video
I have really been enjoying your series on film photography. Not much is being shown about film which is the original and the most challenging media for creating photographs ( which stay in your possession and not some virtual ' cloud ' somewhere in the US ) so thanks to you for your efforts. I am sure that you know that reciprocity failure can also be caused by too strong a light source too. One of Ansel Adams's lesser known masterpieces shows this effect very well.
I didn't know that strong sunlight caused reciprocity failure! I'll have to look into that. Glad you enjoy the vids and thanks for your contribution.
cheers for sharing the Ilford data sheet rodger im going into study mode
Ha ha Beau! Enjoy.
Thank you for making this video. I always watch your videos. I'm sorry, I don't understand all the words you are saying.but I'm learning a lot from you. Thank you so much. I'm looking forward to your next video.
Thanks Masahiko. Are you able to subtitle in your language?
@@ShootFilmLikeaBoss Thank you. I'm not able to subtile in Japanese.but I'll understand English near future. So it's ok. Thank you so much.
Cool prayer rug.
Great print
Thanks Dan.
I use Kentmere VC Lustre, I really like it. The Kentmere papers are a bit faster and more contrasty than Ilford Multigrades so I do find I sometimes need to pre flash the paper to control contrast, but I still love the results, deep blacks and punchy whites.
Yeah I like Kentmere for the punch. I also have to pre flash sometimes. I have another enlarger set up just for that.
I really enjoyed this video on recipo.....recipro.......recipocitri......umm........reciposreetry.......anyway, that one that fails without fail on long exposures. Thanks for the vid, mate.
Ha, silly word.
@@ShootFilmLikeaBoss Ya, silly like the name of that city in the south called Reci Pro.........Reci Pro City. The picture turned out great man!!!
I was shooting long exposures on delta 100 with a rule I have found somewhere in the internet (actually it was Howard Bond on Photo Technique Jul/Aug 2003). However I was scanning my negatives, but they were pretty consistent in results.
The rule is: Tn = 0.05698 * To ^ 1.5755 + To
So for 60 seconds (To) I get 96 second exposure (Tn).
I have created an excel sheet on the phone for ease of use in the field.
This rule was derived by APUG user, sorry I do not remember names, from the Bond's findings.
Thanks for this Andrzej
Another great video, just wondering how you metered your initial exposures when dark, unless I missed something?
Um ar ar . that did my head in.......sounds like you have as many cameras as me......
I have come to realize the Delta 100 poor reciprocity performance will be a big plus. Fuji Acros 100 and it’s very good performance. I have to use dark ND filters to get long exposures on the beach. And with them on I can’t see to focus. Delta 100 will give me long exposure times just to adjust for the poor reciprocity failure. No need for dark ND filters :)
Across is great for no reci worries
Really like the moody penultimate shot of the windmill (portrait, quite dark) before you re-dodged it. It looks like the kind of location that would make a good shot in any conditions (even overcast).
Still don't understand reciprocity failure though... something to do with the longer the exposure the less effect it has on the film per second??? (Law of diminishing returns?)
Pretty much. I'm a really testing ADOX Silvermax today with long exp as the conditions are perfect. Big ass White clouds moving along with sun breaking through now and then. After my tests I'll go out on location and shoot a few.
I know this is an older video but it was one of interest to me. @ 10:20 ~ I noticed a beautiful shot over your shoulder. Would have been a beautiful sunset behind the tree. Using Porta and a gradient ND or deep blue for the upper 1/8 of the frame. What do you think?
Well spotted Rick.
Like for using Perceptol developer!!! You are the first You-tuber who does it...
Takes a lot longer but with Ilford slower films I get a good result.
Interestingly, I just shot a roll of Fuji Provia transparency in 120 format to capture some cityscape night time shots where I was using 6-10 second exposures. I hope they come out OK because I had not compensated for RF. Your video made me check what it is for that film, and according to this (www.fujifilm.com/products/professional_films/pdf/provia_100f_datasheet.pdf) it doesn't kick in until 128 seconds!! (2 minutes). I find that hard to believe but its in the data sheet. (Page 2 : "For shutter speeds longer than 128 seconds, exposure ad-justments will be necessary to compensate for reciprocity failure"
I really like your work! But, why u don’t print on fb paper?
Thanks for sharing!
Good question. I never have and it's something I'd like to do and show in the future. Resin is less expensive for me at the moment.
im confused how you metered the first shot. i have heard everything from lightmeter the highlights...take average of multiple readings to take a reading then at half box speed add two stops...problem is when you ask why they dont know they say you just do
Fuji are discontinuing it but I hear Acros has no reciprocity failure under two minutes and only half a stop from 120 - 1000 seconds. I always enjoy your videos, thanks very much.
I've read that Brian. Thanks.
Yeah this is one of the greatest things about Acros, it's so good for long exposures.
@@andrewford80 Do you know how much it cost the Acros?,if you find it,of course,it was so expensive .But you are right ,it was the best in long exposures
I see you're using an ND to increase exposure time and mentioned maybe using a red filter, the dark red 091 should give you 3 stops and really draw out the contrast even in your heavily overcast skies, then you can stack a graduated ND on top of it to act more on the sky so you can do maybe less dodging of the foreground in the darkroom.
Good call. Thanks!
Good call. Thanks!
Hi I have a scientific calculator but cannot for the life of me find the X to Y key on it, so may i ask what app you are using on your phone ?
:-)
It's called Hiper Scientific Calculator. I have android 👍
@@ShootFilmLikeaBoss Ty very much I shall download it Ty :-)
Ilford have an easy APP TO PHONE to take the reciprocity of their principal films in any kind of medition
It appears to differ from ilfords "to the power of" calculations. Delta 100 at a metered exposure of 10s I calculate at 18s. That app calculates it at 30.9s. that's a huge difference.
I´ve tried that but it gives the same results for all types of films ... "inverso" app works a lot better :)
@@werewolf164 What is that app?
I have written in the app store the word "inverse" and I do not find anything related to reciprocity. There is another app called reciprocity but it is not intuitive to use, especially for committed moments in which you find yourself with the tripod almost balancing on a rock and you need to have all the data in one look .Thanck you
@@josebainakielorriagaarriet2066 hi! It's not "inverse" but "inverso", by Roy Bijster. It's in Play Store. Cheers!
Great , but do you know any app like that but for 35mm , no bellows
Conclusion of the day:
Make sure you got halfway enough light and fix the rest in the darkroom.
2:11 praying towards Mecca ? lol
Lol
funny how someone built a windmill wheres its windy