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Quorten Blog 1

First blog for all Quorten's blog-like writings

Okay, so I’m wondering. How does the Pentax K-1 do with infrared photography?

After some searching, it looks like what you need to do is get the camera converted. So, the infrared filter is included in the camera by default.

20161211/http://www.us.ricoh-imaging.com/index.php/cameras/cameras/k-series/pentax-k-1

Is the Pentax K-1 really mirrorless? I thought it had a pentaprism viewfinder with flip-up mirror? It does. So, that must be an error on the side of the third-party site.

20161211/https://kolarivision.com/product/pentax-k1-converted-camera/

Okay, this is a different conversion company than previously mentioned. Search backwards for “Infrared with a DSLR”. In that article, they cite a company’s website called MaxMax. Then there is another conversion company from another article I’ve cited called LifePixel. But also, it made reference to Kolari Vision for buying a self-conversion kit. Yep, it’s the same website. Okay, we’re in good business. No need to worry about fakes and forgery here.

Oops, on my way navigating toward the camera tech specs, I encountered a 404 stale link for an article that was supposed to point to the Pentax K-1.

20161211/http://us.ricoh-imaging.com/pentaxff/

If it persists, I should contact site administration to have it fixed.

Oh yeah, and what is a Neutral Density (ND) filter?

20161211/https://en.wikipedia.org/wiki/Neutral-density_filter

Basically, it is a filter that uniformly darkens the intensity of colors across the entire spectrum so as to allow for more photographic and artistic creativity in selecting depth-of-field, aperture, and motion blur. Cool.

BUT… with modern digital cameras, is this really necessary? Can’t all the related processing be done in software?

Wait, wait, I’ve got the answer. Lasers. If you’re operating lasers, you might positively need one of these in order to photograph the laser without causing damage to your digital sensor due to extreme intensities. Yet for the laser, there is a minimum energy at which the laser can be operated at to cast any light at all, so if you want to make ends meet, you might need to use a filter. Okay, now that makes sense.


Can infrared light see through plastic integrated circuit chip packaging? It would be nice to be able to to microphotographs of chips without breaking open the packages and effectively ruining the chips. Yeah, like seriously, photographing vintage computers in detail!

Well, a failed web search reveals that likely, the only way for me to find out for sure is to try it out myself with infrared photography.

Wait, did I find something? Actually, no, this is something else. Sensors, not methods for photographing chips.

20161211/https://www.sbir.gov/node/689217

Of course, to reiterate, plastic bags are rather transparent to infrared light.

20161211/http://physics.stackexchange.com/questions/3750/why-is-a-plastic-bag-transparent-in-infrared-light

Yeah, and my own advice on this subject. Plastic is typically known to insulate heat. Were it known to let heat pass through, then we’d definitely have confidence in its transparence to infrared light. Yes, this would indeed be a nice property, but for the most part, things do not work out that well.

Wait, we have something right here! But yes, it reaffirms what you’ve just said previously. Unless you use special plastic materials, infrared light will be blocked, or if not blocked, too heavily scattered to be able to see a clear image through the plastic.

20161211/http://www.eng-tips.com/viewthread.cfm?qid=216368
20161211/http://www.eng-tips.com/viewthread.cfm?qid=137505

Yeah, if only conditions were more ideal, this would provide a means to take full photographic scans of vintage computers nondestructively.