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安裝中文字典英文字典辭典工具!
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- Best replacement for 60 W incandescent bulbs? - Photo. net
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 people want to ban for no good reason, along with halogens Halogens run a higher temperature, typically 3100-3200K while non-halogens are down 2600
- Lightbulb for my Meopta Opemus 6x6? - Photo. net
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 negatives flat due to heat buildup
- White Balance setting for indoors - Photo. net
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 Then there is the fluorescent setting, which seems to apply to discharge lamps other than fluorescent, including high-pressure sodium at 2700K
- Replacing slide projector bulb -- is an LED light an option?
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) Kodachrome slides there was always the concern about the heat of prolonged projection causing the color dyes to f
- Did I blow my light circuit with LR44 1. 55V battery? - Photo. net
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
- Infrared Light in the Darkroom - Photo. net
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 Goggles" are then used to enable you to see the Infrared Light You can purchase a simple hand-held IR Monocular or Binoculars, or IR Goggles which strap on
- Chemical vs digital prints - Photo. net
Discussion on the differences between chemical and digital prints, focusing on digital photography and exploring unanswered questions about these topics
- The Wet Darkroom: Film, Paper Chemistry - Photo. net
My solution was a high-wattage 'hobby bulb' - a blue-coated incandescent bulb - as the darkroom white light These days a daylight LED source is probably a better option Download the free Irfanview Harry It'll open any picture format yet invented The infraview software works fine, thanks ! 4 weeks later
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