安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- 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
- Durst M600 - Black White Practice - Photo. net
It uses inexpensive incandescent house lamps The condensers are in a tight housing a rarely need cleaning But in case you need to, they can be removed, cleaned and replaced easily Wear latex gloves when you do Unless you drop the enlarger and damage it heavily, there is no need to worry about searching for parts
- 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
- What is a Kodak Series VI Daylight Filter for Type A Film for?
As I recall, Type A film was color balanced for indoor incandescent lighting The filter re-balanced the color so that the film could be used outdoors in sun-light
- Cyanotype exposure - appropriate light source - Photo. net
I need a way to expose 8x10 cyanotypes A halogen lamp with the UV screen removed works but it takes about one hour for the exposure What is the wavelengths the process needs (I'm using the "new cyanotype" method)? Would a "black light" flourescent tube work? Their output seem to be rated around
|
|
|