Jan 4, 2014 · All incandescent lights, lights with a hot metal filament have pure black body spectra (with one exception, we'll get to that in a second). This is true for plain old "incandescent bulbs" that …

Mar 24, 2007 · One added bonus of an LED over the original incandescent would be lower heat output. My first enlarger was an Opemus 6x6 and it had a glass negative carrier, which it needed to keep …

May 31, 2021 · It seems that the incandescent bulb setting (a little picture of a light bulb) is for 3000K, which might be close enough. A little warmth is usually good, but a little cooling (blue) is often bad. …

Apr 2, 2016 · Hello. I just ordered a replacement 300W incandescent light bulb for my Kodak carousel slide projector but the process did get me thinking ... those bulbs are hot and for (especially) …

Dec 1, 2024 · Of all the electronic devices, the one most sensitive to voltage is the incandescent lamp. I suspect it is possible to burn out a lamp designed for mercury cells, using alkaline cells.

Mar 29, 2000 · After owning my old 5X7 Elwood enlarger for 20 years I have decided to start shooting some 5X7 negs.It seems to me that a better light source than the huge diffusion head and …

Dec 12, 2006 · Infrared (IR) Light is produced by a regular Incandescent Light Bulb. An "IR Filter" is simply used to cover the Light Bulb, and filter out the regular Light -- leaving only Infrared. "IR …

Jan 31, 2010 · <p>When calibrating my monitor (I'm using a 4 year old Spyder from Colorvision) should my room be completely dark i.e. done at night with no background lights on or done under the …

Jul 10, 2003 · 2) An incandescent bulb puts out about 1 foot candle of light for every watt when measured 1 foot away from the bulb (no reflector). This means, to get 1/10th the sunny day light …

Jul 22, 2018 · The D850 supports natural light auto, auto-0, auto-1, and auto-2. auto-0 is more neutral than auto-1 where some of the light source color variations are allowed to stay in the image and auto …