Condenser Lenses - condenser lenses
I put a thermometer inside the glove box on similar summer day, left my grey color car in open parking lot, windows closed.. When I came back two hours later, the mercury marked 60 degrees C ( 140 F ) 113 months ago (permalink)
Pic16Bit: Thats probably the same thing that mine went through. 113 months ago (permalink)
kuronakko: LOL, i would actually bring a "film cooler" next time. 113 months ago (permalink)
Thanks everyone! i feel much better. They will be sent out Next week. I forgot to mention all were ISO400 or less, if that matters. 113 months ago (permalink)
1. Wavelength Compatibility: Ensure that the goggles are specifically designed for the laser's wavelength you're working with (532nm or 1064nm).
Nd:YAG lasers, short for Neodymium-doped Yttrium Aluminum Garnet lasers, are powerful and versatile tools used in various fields, including medicine, industry, and research. These lasers emit light at specific wavelengths, such as 532nm and 1064nm, which can be hazardous to the human eye. To ensure the safety of professionals working with Nd:YAG lasers, it is crucial to understand and utilize appropriate protective gear, such as laser safety goggles. In this blog post, we will delve into the importance of these safety goggles and their specific applications for 532nm and 1064nm Nd:YAG lasers. Understanding Nd:YAG Laser Hazards: Nd:YAG lasers emit light in the infrared spectrum, making them invisible to the human eye. This invisibility adds to the danger, as users may not realize they are exposed to harmful laser radiation.
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Bring a mini-fridge with a very long extension cord next time :) 113 months ago (permalink)
1. 532nm (green): This wavelength is often used in medical and aesthetic procedures like laser tattoo removal and ophthalmology.
I recently took a road trip with my wife and had my film and some cameras with me. One day we were at the beach and i had to leave my camera bag(s) in the trunk, with both undeveloped and developed film. 35mm, 120 and 220. All formats in both E6 and C41. When i returned to the car after maybe 3 hours, i popped the trunk open. The camera bag was warm to the touch as were my metal bodied cameras. So were the films that we re inside the bags. Not "ouch" hot, but warm.The temperate outdoors was 90 degrees. I have not sent my film to the lab yet, but have since kept it in its normal place in the fridge. Just curious as to what i can or cannot expect. 1:22PM, 5 August 2015 PST (permalink)
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Decisions, decisions .... Should I take the film cooler or the beer cooler ? Eenie minnie, mynie moe ... Originally posted 113 months ago. (permalink) Ricardo Sforza edited this topic 113 months ago.
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120 degrees in the car for 4 hours Velvia 50 and it all worked out fine. 113 months ago (permalink)
Diffraction ... There are two main classes of diffraction, which are known as Fraunhofer diffraction and Fresnel diffraction. The former concerns beams of ...
Our experience with heat abuse in film points to, likely the film manufactures have tested the emulsions with heat and fluctuations. They must have. 113 months ago (permalink)
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Ricardo Sforza: Two options: 1) as the beer is drunk, there is more room for film, or 2) as the film is shot, there is more room for beer. Note that 1) and 2) are not mutually exclusive. ;) 113 months ago (permalink)
2. Protection from Harmful Exposure: Without the right laser safety goggles, exposure to Nd:YAG laser radiation can lead to severe eye injuries, including retinal damage and vision loss. Goggles act as a crucial barrier to prevent this exposure.
I think it's more about longterm exposure to heat that's the issue to avoid. Just like any piece of equipment, they can handle exposure to heat, just not long storage in it. I've not had any issues of heat affecting film, and I used to live in the desert. But, I've never left a camera on a dashboard in a car. The trunk should be pretty hot as well. If it's not melting plastic, than the film is probably just fine. Originally posted 113 months ago. (permalink) Circles_of_Confusions☯ edited this topic 113 months ago.
Having left film in a hot car several times, I've never had any noticeable issue. Let us know how it turns out. 113 months ago (permalink)
I found this roll of film I had shot around 1990-91 and processed it in 2012. It had also spent 8 years in a non-climate controlled mini warehouse. It endured lots of different temperature changes and still looked pretty good. 113 months ago (permalink)
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Laser Safety Glasses & Ocular Laser Shields. Medical laser safety glasses are an important aspect of any MedSpa that offers cosmetic laser treatments. These ...
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Standard and custom C-Mount lens assemblies for security, 3D and laser scanning, machine vision/factory automation, ITC (Intelligent Traffic Control), ...
3. Industrial Settings: 1064nm Nd:YAG lasers are commonly used in industrial applications such as metal cutting and welding. Workers must wear laser safety goggles to prevent eye injuries caused by accidental laser exposure. Choosing the Right Laser Safety Goggles:
4 Answers 4 · 2. . – user9770563. Commented May 10, 2018 at 11:48 · 3. The easiest and ...
TECHSPEC LF Series Fixed Focal Length Lenses are used in imaging applications requiring superior performance to photography lenses.
10X Stand Magnifying Glass with Light 12 Anti-Glare LED Lighted Magnifying Illuminated Magnifier manufacturing. The 10x magnifier has super Bright LED ...
1. Wavelength Matching: Laser safety goggles are designed to match the wavelength of the laser being used. For 532nm and 1064nm Nd:YAG lasers, goggles with precise optical densities (OD) are required to block or attenuate the laser light effectively.
I often bring film I have in the refrigerator to the car and then return it at the end of the day to the refrigerator. All film is still in the original foil (120 mf film Velvia 50 and Tmax 100). I wonder if the cold - hot - cold routine is worse? 113 months ago (permalink)
Nd:YAGlaserbefore and after
The fixed focal length lens can be focused for different working distances to obtain differently sized FOV, even though the viewing angle remains constant. Thus ...
The Importance of Laser Safety Goggles: Laser safety goggles designed for specific wavelengths are essential for protecting the eyes from potential harm. Here's why:
In the world of Nd:YAG lasers, safety should always be a top priority. Laser safety goggles designed for 532nm and 1064nm wavelengths play a vital role in protecting your vision from potential laser radiation hazards. Whether you're a medical professional, researcher, or industrial worker, investing in the right protective eyewear is an essential step to ensure both your safety and the success of your laser applications.
where w0 is the beam width at its minimum value, or "beam waist," zwaist is the distance of the beam waist from the face of the laser, and λ is the wavelength ...
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J Adamonis · 2016 · 13 — A strictly flat-top beam, amplified in this amplifier, would transform into a beam having a hump at the center of the profile. With the beam shaping technique ...
2. Aesthetic Treatments: Laser tattoo removal, hair removal, and skin rejuvenation procedures often use 532nm Nd:YAG lasers. Safety goggles protect the operator's eyes from the laser's intense light.
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In my experience, the glove box in a car is like an oven in the summer and a fridge in the winter. The same would apply to a lesser degree to the car boot / trunk because the area is bigger, takes longer to heat up/cool down and more air can circulate. I have found the best solution was to park in a shaded area so the car doesn't get direct sun and store the film and equipment in the boot / trunk in a large solid camera case / suitcase type. Having spent the last 35 years shooting weddings professionally in Ireland, the sun and heat were never that much or a problem, only the odd time. I spent more time avoiding the cold and rain. 113 months ago (permalink)
Festbrennweitenobjektive mit C-Mount-Gewindeanschluss sind beispielsweise anwendbar an Smart Cameras mit C-Mount-Anschluss. Einstellbare Blendenw...
1. Medical Procedures: In the medical field, Nd:YAG lasers are employed in various procedures, including laser eye surgery, skin treatments, and dental applications. Laser safety goggles ensure the safety of both medical practitioners and patients.
2. 1064nm (infrared): The 1064nm wavelength is prevalent in industrial applications like cutting, welding, and engraving.