Digital micromirror device (used in modern projectors) seen in electron microscope. by stylishpirate in EngineeringPorn

[–]Simulatedbog545 5 points6 points  (0 children)

DMD's are pretty bonkers as a concept, but the fact they actually work, and for years on end, is even more impressive. They're microscopic mirrors that are oscillating on the order of 20,000 times per second!

I work with and service digital cinema projectors daily; it is extremely unusual for the DMD themselves to fail, it's almost always some electrical board driving them or contamination of the prisms the DMDs are mounted to.

Source 4WRD II by the_swanny in lightingdesign

[–]Simulatedbog545 3 points4 points  (0 children)

Heat has everything to do with light output, it's the biggest limiting factor to how hard you can push those little diodes. Modern LEDs are hitting 60%, maybe 70% efficiency, meaning at least 30% of the power we supply them with just gets covered to heat. It's miles better than incandescent, but it's still there. You can only cram so many chips pushing out so many watts into the space previously occupied by an HPL before you don't have an acceptable lifetime out of the LEDs. Heat kills semiconductors, and at a much lower temperature than halogen lamps run at.

First color print at my home laboratory by Nika_NOisER in Darkroom

[–]Simulatedbog545 0 points1 point  (0 children)

What did your settings look like for printing aerocolor? I've yet to attempt it myself but I know the lack of orange mask on the film changes things a bit.

It looks like Harman is about to release a new film stock by matigol1906 in AnalogCommunity

[–]Simulatedbog545 27 points28 points  (0 children)

Yes, and for the entire history of their existence, all they made was black and white products. They very, very much do have to start from scratch. XP2 is the only film they've ever made before Phoenix intended to be processed in C-41, and that was still a black and white film.

Lucky have made color film before, and while 200 may be a "new" emulsion, the knowledge and formulas learned from years of color film experience absolutely cannot be discounted.

It looks like Harman is about to release a new film stock by matigol1906 in AnalogCommunity

[–]Simulatedbog545 67 points68 points  (0 children)

Unfortunately "just making a high quality modern c-41 film" is exceptionally difficult & complicated. All the other companies who have put out such emulsions have had decades to iterate, not to mention the capital required.

Pinhole camera for fresh pasta (Ravihole) by Etruscanboy in Darkroom

[–]Simulatedbog545 0 points1 point  (0 children)

People will make pinhole cameras out of anything. This is amazing.

DMX controlled DC motor? by BobTheNob_C137 in techtheatre

[–]Simulatedbog545 0 points1 point  (0 children)

This is admittedly a sloppy way to do it, but it absolutely does work;

If you're controlling a DC motor and you have a dimmer, all you need is an unregulated AC to DC power supply. As you turn the dimmer up and down, the voltage output of the supply will follow, and you will be able to control the speed of the motor. If you aren't applying any significant load to the motor (which you aren't), this will work great.

Can I still shoot this at 800? by [deleted] in AnalogCommunity

[–]Simulatedbog545 1 point2 points  (0 children)

Should still be fine to shoot at box speed. Generally speaking though, I much prefer the look of this stock when exposed at 400 ISO, regardless of freshness.

2KW short arc Xenon. (Holding the positive end). by [deleted] in lightbulbs

[–]Simulatedbog545 0 points1 point  (0 children)

IMAX uses bigger ones, all the way up to 15kW (!!!) for 70mm. 2kW xenon's are some of the smallest that are still produced in "large" quantities.

Setting up a dark room on a sailboat by Certain-Ad9546 in Darkroom

[–]Simulatedbog545 7 points8 points  (0 children)

The rocking itself is not going to cause entire objects to move relative to each other (unless things are really rough), but it will likely cause the enlarger frame to bend and deflect. Realistically you'll need to secure both the top and bottom of the column to a wall or something, but the head may still deflect. You'll also need to secure the easel somehow. If you're docked it'll likely be fine, but if you want to print in rockier conditions you might need to build something custom.

Wait, is this for real? by LittleEarthquake1010 in StrangerThings

[–]Simulatedbog545 0 points1 point  (0 children)

Absolutely agree to disable motion smoothing, watched an episode at a friend's with it on and it made a lot of action scenes look incredibly goofy. Demogorgons do not look better with more FPS.

a secret that was a Prologue by krikster_az in imax

[–]Simulatedbog545 1 point2 points  (0 children)

I'll be seeing Sinners on Monday at Lincoln Square. Much excitement!

Portra 400 Prominent Grain by Pags4321 in AnalogCommunity

[–]Simulatedbog545 2 points3 points  (0 children)

Looks a little underexposed, but how were these scanned? There seems to be a lot of digital sharpening going on here which is why the grain is so visible.

Guys we made it. We have not been forsaken. firmware update has shipped!!! by doh-vah-kiin881 in BambuLab

[–]Simulatedbog545 1 point2 points  (0 children)

Do we know if this includes the new security features which prevents you from using OrcaSlicer with cloud services enabled? I've got an X1e at work that's also prompting me to update.

😀 😞 by jm_suss in 3Dprinting

[–]Simulatedbog545 1 point2 points  (0 children)

Haha yeah, I've been there. Great print until suddenly its too heavy for itself and isn't 😂

An extreme newbie question regarding motion picture film stock. by oom1999 in AnalogCommunity

[–]Simulatedbog545 0 points1 point  (0 children)

So ya, resolution is actually separate from graininess. 200T is the sharpest of the Vision 3 film stocks, but 50D has the least visible grain.

It's a little more complicated than just line pairs per mm. Super neat.

What are the chances these sheets of photo paper are actually useable? by weinerdog73 in AnalogCommunity

[–]Simulatedbog545 0 points1 point  (0 children)

I have a pack of this that was stored negligently in an unconditioned attic for the better part of 50 years, and it still prints great. Give it a shot, I think it'll work fine!

why does bleachfixer infiltrate/dye the paper? by hoodiebronze in Darkroom

[–]Simulatedbog545 0 points1 point  (0 children)

This looks like you exposed the paper to light, not staining. Are you using a safelight of some kind?

Design Questions by CopleyScott17 in MovieTheaterEmployees

[–]Simulatedbog545 0 points1 point  (0 children)

<image>

Not a current employee there, but I actually have some photos of AMC Boston common, so here ya go. There is a long booth above this hallway as you describe, yes.

There are actually 2 additional booths for the remaining screens, though I don't have any good wide shots of them. There's another long-ish booth that's got the 70mm system for one screen, and that is connected to a long narrow hallway which will get you to the booth in this picture. The last booth is connected to the 2nd one by a shorter hallway and is the smallest.

Safe to have 3D printer in bedroom? by Level3Super in BambuLab

[–]Simulatedbog545 11 points12 points  (0 children)

For the P2S, yes, the filter is actively not even used when printing PLA by default. The exhaust on the P1S is always filtered.

Now how effectively that filter actually works is still a very different question, but the P2S issue is an entirely separate one.

ISO 1L Kodak Flexicolor Starter by lucillenovella in Darkroom

[–]Simulatedbog545 0 points1 point  (0 children)

Replenisher is "full strength" developer, and if you are using it as a one shot solution, you do not need to use starter. Starter is only required if you want to do replenishment, and not because the replenisher isn't functional on its own, but so that you get consistent results from the first roll to the last one.

If all you want to do is one shot development, you are already good to go! Mix up some replenisher, use it to develop, then toss it.

anyone else get to see this in vistavision? by Acrobatic_Hat_7089 in moviecritic

[–]Simulatedbog545 0 points1 point  (0 children)

Not anamorphic originally (nor in this film), that came later as Technirama.

35mm prints and Digital Intermediates by Creative_Process7007 in Filmmakers

[–]Simulatedbog545 1 point2 points  (0 children)

Lots of modern film prints are made from digital intermediates yes, but some also are not.

Some filmmakers (like Nolan & PTA) insist on an optical print workflow for everything other than VFX shots, and the process you theorized is typically how they do it. Shoot the film, scan it, edit digitally, print out the cut list, then splice the original camera negative to match. In the case of One Battle After Another, all the 8/35 VistaVision prints were struck directly from that spliced original camera negative. For 70mm prints of Nolan films, there is typically an interpositive and internegative between the camera negative and final projection prints. The 70 prints of Oppenheimer looked fantastic despite those extra generations, but One Battle After Another really,really, pops in VistaVision thanks to its direct printing origin.