In general, the shorter the radius of curvature, the shorter the focal length. · 1/f = (n1/nm-1) * (1/r1-1/r2) · The sign convention used for this ...

If you’ll be traveling and are looking for a cleaning kit with a little bit of everything, check out the Digital Survival Kit by Photosol (sold separately). The Digital Survival Kit is also a great way to try out a range of Photosol cleaning products before purchasing them full size.

When cleaning with PEC-12® Film Cleaner one pass with very light pressure will clean non water-based stains. If one light pass doesn’t appear to have an effect on a stain, it may be water-based and further rubbing will not help, and may damage an emulsion. When cleaning areas which are heavily soiled (laser separation oil, heavy ink marks, tape residue, etc.) use more than one PAD to avoid smearing the stain. You may rotate the PEC PAD® to expose a clean area and thus clean several images before discarding.

Light absorbing black out materials used in optics and photonics applications are available at Edmund Optics.

PEC PAD® Lint-Free Cleaning Wipes can be safely used on all hardened photographic emulsions, including films and papers. Extreme care must be used with 35mm chromogenic film because the base of these films are very easily scratched. PEC PAD®s can also be used on coated or uncoated photographic lenses, binoculars, and telescopes without scratching delicate coatings.

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Simply dispense several drops of solution onto a clean, folded PEC PAD® and lightly wipe the surface in a single direction. Start at the center and work your way to the outer edge. Slide the PEC PAD® off the edge of the lens—never from the center. Handle the PAD as little as possible to minimize transference of finger oils. Refold pad to expose a clean side and re-wipe the surface as necessary.

When gently used, PEC PAD® Lint-Free Cleaning Wipes are safe to clean plexiglass and are ideal for cleaning picture frames, glass, CDs etc.

Oct 24, 2022 — It takes light from the objective lens and re-magnifies it to show a large image. In most cases, the ocular lens magnifies 10x or 15x. Condenser ...

Bring our stunning Round Gold LED Mirror into your home, a glamorous and functional addition to elevate your space and enhance your daily routine. This mirror boasts a sleek and contemporary design with a perfectly round shape and a luxurious gold finish. The gold frame adds a touch of elegance and sophistication, effortlessly elevating the aesthetic of any room. Featured by the function of step-less dimming, you can find the lighting atmosphere you like at any time easily.

Now just measure the distance from the lens to the image on the paper. This is the focal length of the lens, or close to it. Ideally, the light source should be ...

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PEC PAD® Lint-Free Cleaning Wipes are extremely soft and so versatile they can be safely used to clean different types of sensitive surfaces.

Purity and quality of all Photosol products are guaranteed. The NatureScapes Store is an authorized online retailer of Photosol cleaning products.

For maximum cleaning power, use PEC PAD® Lint-Free Cleaning Wipes with different cleaners formulated for use with delicate surfaces.

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Put the image to be cleaned onto a sheet of glass (light table) or onto the emulsion side of a clean old scrap RC print. Dispense a few drops of PEC-12® Film Cleaner onto a clean PEC PAD®. With the gentle pressure of two or three extended fingers, start at one end of the film/print to be cleaned and smoothly move your fingers toward the opposite end in a straight line removing contaminants from the emulsion by transferring them to the PEC PAD®. Extremely grimy stains (such sticky tape residue) may need a second or even a third pass (using a clean PEC PAD® and additional PEC-12® Film Cleaner application). Any material applied with enough pressure will ultimately cause scratches, but normal, prudent use of PEC PAD® Lint-Free Cleaning Wipes will provide scratch-free cleaning of slides, negatives, and prints.

When properly used with Eclipse® Optic Cleaner or Aeroclipse®, PEC PAD® Lint-Free Cleaning Wipes make it possible to clean only the dirty portion of a lens or other optical surface to eliminate hazy swirls.

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PEC PAD® Lint-Free Cleaning Wipes are NOT recommended for cleaning image sensors or CCD sensors in 35mm DSLRs. If you need to clean sensors, the manufacturer recommends using SensorSwab Ultra.

PEC PAD® Lint-Free Cleaning Wipes are specialized for cleaning critical surfaces without causing scratches or damage of any kind. PEC PAD®s are durable, free of lint, non-abrasive, and 99.999% pure.

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PEC PAD®s are NOT recommended for cleaning CCD sensors in 35mm DSLRs. Because Photosol cannot control how carefully you handle the material while storing, folding, assembling, or applying Eclipse® Optic Cleaner or Aeroclipse®, Photosol cannot approve or warranty the CCD or any camera part from any damage caused by homemade swabs or kits assembled by third party resellers.

Learn about OCT. Optical coherence tomography, co-invented by an OHSU expert, helps diagnose and manage glaucoma and retina and cornea conditions.

Auto Collimator ( Eye Piece or Camera Option Available). Autocollimator is a Precise Instrument for small angular tilt measurements. Micro-Optic Visual ...

It has a low refractive index (approximately 1.43 at 589 nm) and minimal chromatic dispersion, making it a preferred material for lenses, optical windows, and ...

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