Movie Friday: Taking pictures HDR tintypes with an 120mm f/1 HD projector lens: Digital Images Assessment

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Markus Hofstätter is a self-described photographer, artist and alchemist whose work typically pushes the boundaries of analog pictures. Take, as an example, his latest HDR tintype mission, shot utilizing a big format digicam, a transformed 120mm f/1 HD projector lens and a complete lot of endurance. The outcomes are each visually mesmerizing and technically spectacular. You will get a fast overview of the mission within the video under.We caught up with Markus to study extra about his adventures in chemistry experimentation, gear repurposing and old-school pictures practices. We additionally chatted in regards to the ache factors related to this mission, specifically the challenges of mounting and focusing such an unlimited lens with such a razor-thin depth of discipline. Markus moreover shared recommendation for anybody desperate to dip their toes into the deeply satisfying world of tintype pictures.
Inform us a bit of bit about your background in moist plate pictures. What attracts you to it?
I’m primarily a portrait photographer and benefit from the moist plate course of loads. It slows me and my topic down. A typical portrait session takes about two hours, the place we each take time and deal with that single picture we make. (I’m working presently on my ‘Impressed’ collection, the place I seize individuals who encourage me). Working with my palms can be one thing I get pleasure from loads. I make my very own chemical compounds and in addition restore my very own gear.
My analog journey began with my avenue portrait mission, the place I travelled the world to take analog portraits of individuals I met on the road. I captured these portraits with a (medium format) 645 Mamiya digicam. Then I modified to a (4×5) Linhof Grasp Technika for avenue portraits. After proudly owning the Linhof and capturing heaps with it, it was solely a logical step for me to start out with the moist plate course of. And this was a completely completely different rabbit gap than beginning with movie. After greater than 8 years [shooting film], I really feel very snug with the method and have gained plenty of data. However with the moist plate course of, you by no means cease studying. I additionally get pleasure from educating my moist plate workshops loads. And experimenting can be one thing I love to do. Like on this mission.

Markus repurposed an previous projector lens for this mission, acquired from eBay. Photograph: Markus Hofstätter

Inform me a bit of bit in regards to the Delta HD-6C ML lens you used for this video. What was it used for in its earlier life?
These lenses have been utilized in previous CRT HD projectors. I used an analogous one for a really summary ultra-large-format portrait earlier than. On this article, I clarify loads about these lenses and their origins. I additionally present datasheets and a projector from again then.
You point out that the lens generally is a hearth hazard. Why is that?
It was a coincidence that I needed to seize a picture of an analogous lens exterior and noticed the way it focuses the sunshine. It begins a hearth instantly.
Is the Delta HD-6C ML the quickest lens you’ve got shot tintypes with? And are there even sooner ones on the market?
It’s in all probability the quickest I’ve labored with. I couldn’t discover a datasheet, so I solely measured the f-stop. I’ve seen a sooner lens at a flea market, a 125mm f/0.8. You may see it in my video right here on the 0:40 mark – one other monster.
There’s a draw back to those quick lenses. They’ve a razor-thin level the place the picture is sharp. That is why the pictures look very mushy. However I prefer it. It has its personal attraction. My favourite lenses are the Dallmeyer Petzval lenses, which I take advantage of primarily for my portraits. I’ve a 2b (about 220mm f/3) and a 3b (290mm f/3) – I coated the entire historical past of those in my Impressed collection.

Tintype pictures requires endurance and know-how, particularly when capturing with an f/1 lens. However the outcomes will be mesmerizing. Along with experimenting with the medium, Marcus additionally teaches workshops. Photograph: Markus Hofstätter

Had you thought of making an HDR tintype earlier than? What impressed you to strive it with this explicit lens?
It was extra a repair than a consideration. After I constructed up the scene, I considered an exquisite flower with loopy bokeh. The blossom of the flower with its yellow and white shade is kind of a problem. Why? The moist plate course of solely sees the blue mild spectrum (in regards to the 400-to-low-500nm vary), whereas pink, yellow, and orange can be interpreted as black.
To start with, I attempted a slower developer and stopped the event of the brilliant spots to get the darker spots to develop extra. However the distinction was too excessive, so I made a number of plates, scanned them with my Display screen Cezanne 5000 scanner, and merged them to an HDR digitally.
After I assume again now, it might have been a greater concept to shoot the darker publicity to a metallic plate and the brighter ones onto glass and put the glass plates above the metallic plate. That may have been one thing cool to do. Possibly I will strive that sooner or later.
Stroll me by way of your course of for mounting and stabilizing the lens to your digicam. It appears awfully tough!
Hahaha, that is a great query. Usually I create very regular lens mounts, both of wooden or I 3D-print them. I even construct some for different analog photographers. However as a result of I knew already that I couldn’t match this big lens completely on my digicam, I used my fast and soiled resolution: Designing and printing a ‘flange’ that pulls easily on the lens with an even bigger ring on the underside. That method I can deliver it near my digicam and repair the sunshine leaks with duct tape.

The lens mount is probably not fairly however it works. Photograph: Markus Hofstätter

For this digicam, I had already designed and constructed a lens help. However that alone wouldn’t do it, so I simply did an inverse ‘Jenga sport’ with plate holders and different stuff that was laying round to stabilize this lens. To carry it in place I simply used a pressure belt from my self-made digicam. I needed to transfer the digicam fairly slowly, however it was successful.
What recommendation would you give to somebody who needs to strive tintype pictures?
Attend a great workshop. Ask what is roofed within the workshop, like historical past, chemical compounds, security precautions, digicam gear, lab gear, disposal of chemical compounds and, in fact, the method. And get help after the workshop till you create your individual plates. Additionally, get a great ebook in regards to the course of. There’s loads that may go unsuitable when you don’t know what you’re doing.
But when you know the way to work with the chemical compounds and study the method the proper method, it is vitally rewarding and exquisite. Creating photographs with your individual palms could be very uncommon in our fast-moving time. The method will be very unbiased. You may even take photographs with out the usage of energy.

For extra of Markus Hofstätter’s work, try his weblog and Patreon.

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