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Maybe I’m using it wrong, or maybe I don’t understand lighting, but I really don’t think this is very accurate. I was measuring the intensity of my grow lamps since I’ve got new bulbs and a new set up, and wanted to make sure I could get as close to this old set up as possible and maybe even get some extra lumens in there. The bulbs I was comparing are 840 lum vs 1200 lum, but the readings were all over the place. When looking at the 840 bulbs, I got an average reading of 340, even when it was two and three lamps “stacked” on top of each other (which I’ve heard from other plant people increases the intensity of the lumens on the plants). I was also getting readings of over 12,000 lum on a bulb and hood combo that I know is more dim than that, seeing as my plants are typically stretching under this light (low end recc of lumens for succulents is about 2,000). The readings just feel wildly unpredictable. This is more a gripe with my phone, but also be sure to know that front and back cameras take in light differently. A spot which would read 330 lum on my front camera read as 380 with the back. Even if the numbers are wrong, the “average” and “ratio” I found at least helped me set my lamps up in a better pattern.

Nov 25, 2022 — I have cameras from many brands, but they tend to collect in different 'categories'; Canon for DSLR, Fujifilm for compact mirrorless, Sony and ...

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Oct 7, 2020 — In order to be exact in solving for focal length, you would need to know the aspect ratio of the sensor. If exact is not necessary the diagonal ...

Great light meter and everyone out there looking for a hand out…”I suggest you do as your grand parents did and Get A Job Sir’s(or Madam’s)” This app is awesome and you cheap folks, having to pay for this app is not a problem if you care for plants and the proper amount light they receive, so they can grow up to be fine strapping plant specimens. Then again everyone that’s complaining about paying for this app(which is completely worth it) don’t even tip your servers at restaurants or bartenders after they close. To ingenious developers of this app do not worry about those cheap cable stealing complainers. As a nursery owner with several greenhouses I think this is probably one of the best light measuring devices for both indoor and outdoor besides the $109 cheap ones that won’t take a sneeze let alone outdoor use without a complete meltdown. I have not even thought of buying another “professional light meter” since I got this app. Thank you for helping my family’s garden and greenhouses.

The developer, Marina Polyanskaya, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Sun glasses and LCD screen are examples of polarisation.

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Light Meter is a 2-in-1 light intensity (lux) and exposure meter with customizable settings. Whether you want to capture the perfect photo or optimize lighting in any space, Light Meter provides professional-quality readings right on your phone. Forget about expensive professional equipment that you have to carry around. With Light Meter, you can get light intensity data with just one click to choose the best settings for manual or film photography, adjust home, work, or greenhouse lighting, and prevent eye strain from poor lighting. Features: - intuitive and customizable controls - for front and back cam - collects light intensity data in real time - instant lux and foot candle measurements - real-time color temperature measurements - real-time histogram plotting - customizable settings for shutter speed, ISO, aperture - preview and adjust diaphragm settings before shooting Have any questions or suggestions? Write to us: sparkappsfeedback@gmail.comTerms of Use - https://www.iubenda.com/terms-and-conditions/82717056Privacy Policy - https://www.iubenda.com/privacy-policy/82717056

Polarcor™ UltraThin™ is a 30-micron glass polarizer that provides greater versatility for managing polarization in components throughout a ...

Note: * Backside UV reflection protection is available on selected coatings – Stainless LUV, Ice and Fusion Ice ** Blue-violet light filtering technology is available on selected coatings – Indigo HD and Indigo

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iCoat anti-reflective coatings are formulated using unique and proprietary chemical compositions, combined with a premium bonding layer for powerful adhesion to the lens substrates. Icoat AR coatings address various optical lens related complaints such as distracting glare and halo effects, cleanability and scratch resistance. All iCoat anti-reflective coatings combine ion-impacted static-neutral coating technology with ultra tough chemical layers that are virtually impervious to wear and tear. All anti-reflective coating processes takes place in a cutting edge vacuum chamber that ensures precise control of all parameters of the coating layers. The result is a dense and smooth lens surface with glare-free properties, making your lenses impermeable to static, scratches, solvents and chemicals.With iCoats anti-reflective coatings your lenses appear thinner and your eyes look more natural.

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Aspheric lens ... An aspheric lens or asphere (often labeled ASPH on eye pieces) is a lens whose surface profiles are not portions of a sphere or cylinder. In ...

Jun 27, 2024 — The Fresnel light comprises a lamp housed in a box, sitting between a reflector and Fresnel lens — more on that lens in a moment. It was ...

Indications of Opal 20 mg. Opal 20 mg is indicated for the treatment of- Duodenal and gastric ulcer. Gastric and duodenal ulcers brought on by NSAIDs. In ...

by PA Fuchs · 2019 · Cited by 1 — This feature is available to authenticated users only. ... Purpose : Optical coherence tomography (OCT) machines are calibrated for human eyes but are used in ...

Sep 19, 2024 — ... Liquid Contact Indicators (LCIs) that you can see from the outside. An LCI will activate when it contacts water or a liquid containing water.

Nice, simple, straightforward app with good user interface. Good set of options make it very functional. The measurements seem reasonable and more importantly - they’re consistent. A source measured yesterday will be measured at the same value today. Also has a very nice explanation of terminology for the uninitiated. My only complaint is the overly frequent ads. Other users comment that the ads remain in the Pro version, so no reason to upgrade until this is changed. A definite 5-star app without the ad problem.

Optical microscopy is a technique employed to closely view a sample through the magnification of a lens with visible light. This is the traditional form of ...