Floppy Disk Ir Filter. 58mm Uv Filter

Floppy Disk Ir Filter

floppy disk ir filter

    floppy disk
  • A flexible removable magnetic disk, typically encased in hard plastic, used for storing data

  • A floppy disk is a data storage medium that is composed of a disk of thin, flexible ("floppy") magnetic storage medium encased in a square or rectangular plastic shell.

  • A removable disk used for storing digital data, measuring between 2 and 8 inches diagonally and storing between 80 KB and 240 MB

  • diskette: a small plastic magnetic disk enclosed in a stiff envelope with a radial slit; used to store data or programs for a microcomputer; "floppy disks are noted for their relatively slow speed and small capacity and low price"

    ir filter
  • Infrared cut-off filters, sometimes called IR filters or heat-absorbing filters, are designed to reflect or block mid-infrared wavelengths while passing visible light.

floppy disk ir filter - Sabrent SBT-UFDB

Sabrent SBT-UFDB USB External 3.5-Inch 1.44 MB 2x Floppy Disk Drive (Black)

Sabrent SBT-UFDB USB External 3.5-Inch 1.44 MB 2x Floppy Disk Drive (Black)

SABRENT SBT-UFDB External USB 1.44MB 2x Floppy Disk Drive - BLACK This 3.5" 1.44MB External USB Floppy Disk Drive is super slim and lightweight and brings more functionality and versatility to your USB equipped Macintosh or PC computer. The drive reads and writes standard 1.44 MB floppy disks and has a fast data transfer rate of up to 500kb/s. Plus, it's powered through the USB port, so no AC adapter is needed. Specifications : Black Color Super slim & light weight external floppy drive Interface: USB (Universal Serial Bus) Hot swappable Powered through USB Port Full-Speed / Specification Ver.1.1 1.44 MB disk capacity Date Capacity: 720KB , 1.25MB , 1.44MB (formatted) USB Data Transfer Rate: Full-Speed / 12Mbps Data Transfer Rate: 500Kbit/s (720KB), 1Mbit/s (1.25MB / 1.44MB) Available USB BUS supply current: 500mA or less Requirements : For PC Users Windows® 98/98SE/Me/2000/XP For MAC Users iMac, iBook, G3 or G4 system Mac OS 8.5 requires driver from Teac. Mac OS 8.6 requires special driver from Apple: See here for 8.5 and 8.6 details: http://www.teac.com/DSPD/support/floppy_drives/fd05pub_mac_install.htm Mac OS 9.0 to 9.2 - drivers built into OS Mac OS X 10.2 and above - drivers built into OS Retail Package Content : External 1.44 MB Floppy Drive

For those with legacy 3.5-inch floppy disks that still hold valuable data, theSabrent SBT-UFDB USB External 3.5-Inch 1.44 MB 2x Floppy Disk Drive (Black) will come to the rescue.
Simply connect the drive to your computer via USB and you can read and write standard 1.44 MB floppy disks at a transfer rate of up to 500 Kbps.
The drive is black, and it is slim, compact, and lightweight--making it easy to transport. Because it is bus-powered, no bulky AC adapter is needed. The floppy drive is compatible with both Windows and Mac operating systems.
What's in the Box
SBT-UFDB external floppy drive

85% (5)

Live View w/- External Floppy Disk Filter

Live View w/- External Floppy Disk Filter

With a peice of 3 1/2" floppy disk glued to the lens barrel, this is what it looks like in Live View.

Internal Floppy Disk Filter, Original Result

Internal Floppy Disk Filter, Original Result

IR image, as captured. This image uses a peice of 3 1/2" floppy disk as an internal IR filter.

floppy disk ir filter

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Furnace Filter Types

furnace filter types

    furnace filter
  • A filter is a pleated or other type of device used to remove dust and other particles from air to protect the HVAC equipment. Filters vary how well they work and it is measured as MERV rating.

  • A person of a specified character or nature

  • A category of people or things having common characteristics

  • (type) character: a person of a specified kind (usually with many eccentricities); "a real character"; "a strange character"; "a friendly eccentric"; "the capable type"; "a mental case"

  • (type) write by means of a keyboard with types; "type the acceptance letter, please"

  • A person, thing, or event considered as a representative of such a category

  • (type) a subdivision of a particular kind of thing; "what type of sculpture do you prefer?"

100 hundred ravens scattered by a single stone 11/14/08

100 hundred ravens scattered by a single stone  11/14/08

Dostoyevsky, upon the failure of his second marriage was overheard to say that in the future he would just look for a woman he didn’t like and buy her a house.

Re string the beads
Strap the baby in
This is gonna get rough

I’m basically into rolling stops but for yard sales I pull over. It wasn’t like I was looking for anything in particular I was just curious and like poking around in other peoples stuff.

To be honest it was pretty bleak. trashy romance novels. records I wouldn’t want to listen to. A lot of plates. Bags of buttons. A stair master. some dumb bells. Turned out I didn’t feel attracted to the part of their life that they were selling off.

then I spotted the typewriter sitting on a flower patterned suitcase all cued up with a sheet paper.

The uick brown fox jumped over the lazy dogs . . . . .

And then out of nowhere I launched into a letter to my ex wife. We’d barely spoken in the almost year since our divorce and when we did it was pretty shallow . . .

“is the bread maker still out in the garage”

“don’t forget to change the furnace filter

“any mail for me”

“sorry to hear about sascha but you can’t say i didn’t warn you”

there were things I’d been wanting to say - nothing like explanations or justifications – no apologies - that was all to far past. But there were other things that I’d never had the words for or hadn’t been clear about and right there and then it all came out in a rush. I pounded away.

I singled spaced through the sheet and turned it over without pausing.

The rest of the world disappeared. Slap Ding. Slap Ding. Slap Ding. Slap Ding.


I pulled the sheet. A quick read. She’d figure out “ueen of sheba” . I Folded it into my pocket. Picked up the Remington and an ashtray made to look like the Grand Canyon saying “wish you were here” along the canyon floor and went to pay the lady.

Nothing was priced and there was a little sign saying cash only.

All I had was a five dollar bill.

Will you take 5?


all I’ve got is 5 and the “q” key doesn’t even work – you can keep the ash tray

ok just give me 5

I’m not one to talk but people are so weird.


I get home, rag it off and put it on the kitchen table.

it felt like i had found the holy grail. I’d write a novel. A couple of novels. Plays. Poems Think of all those letters I was behind on. This was a miracle.

I put in a fresh sheet and typed “Sven”. Sven is a good friend who lives in belgium who in his last letter had told me that a freak accident stringing a banjo had left him blind in one eye


That’s as far as I got. Nothing came next.

I left it like that and came back later but . . . .nothing. I tried a few laps of the uick brown fox to see if it was some sort of priming issue but no.

a stone cold wall of china

and I was never able to write anything on it again. It sat on the table for a couple of months until finally one day I realized that that was that. It must have been a one shot deal. I took it outside and put it on the front steps and went back inside to make a pot coffee.

10 or 15 minutes later When I went back up front with my coffee it was gone. I lit a cigerette and sat there.

A tall black man wearing a purple tuxedo complete with matching top hat strode by. I don’t think I’d ever seen a person who looked as happy as him. He was positively beaming (no pun intended)

His eyes twinkled. His teeth twinkled. He just plain twinkled. He spoke in a voice loud, rich and friendly:

“ain’t life great? Don’t you just learn something everyday?” and cruised on up the block.

“learn something everyday?” . . . actually I’m kind of slow and Lately I’ve taken to writing these things down hoping that they’ll sink in deeper



Seriously. What are these things? Heating or other higher output furnace type thing? Water storage? Massive air filtering? Death ray?

furnace filter types

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High Pass Filter Circuits - Internet Filter School - Filter Bag Manufacturers

High Pass Filter Circuits

high pass filter circuits

    filter circuits
  • Electronic filters are electronic circuits which perform signal processing functions, specifically to remove unwanted frequency components from the signal, to enhance wanted ones, or both.

    high pass
  • In J. R. R. Tolkien's fantasy world of Middle-earth, the Misty Mountains (also known by its Sindarin name of Hithaeglir—misspelled as Hithaiglin on the original Lord of the Rings map—and as the Mountains of Mist) is a mountain range, running for 795 miles (1280 kilometres) from north to south,

  • (of a filter) Transmitting all frequencies above a certain value

  • High Pass is a mountain pass in the foothills of the Coast Range mountains in Lane County, Oregon, United States. High Pass Road connects the unincorporated community of Horton, on the west side of the pass, with Cheshire, Monroe, Junction City, and the other low-lying farm towns to the east.

  • A high-pass filter, or HPF, is an LTI filter that passes high frequencies well but attenuates (i.e., reduces the amplitude of) frequencies lower than the filter's cutoff frequency. The actual amount of attenuation for each frequency is a design parameter of the filter.

high pass filter circuits - Sony XM604M

Sony XM604M Marine 4/3-Channel Amplifier

Sony XM604M Marine 4/3-Channel Amplifier

600W Max Power
60W x 4 RMS into 4 ohms
60W x 2 + 140W x 1 RMS into 4 ohms
80Hz High pass filter switch
80Hz Low pass filter switch
Conformal circuit board coating
Line & Speaker level inputs
CEA-2006 Power Compliant

Building a competent marine entertainment system has never been easier, especially with Sony's XM-604M 4/3 channel marine amplifier at the core. Designed to resist the rigors of salt water and sunshine, this amp features multiple channel configurations and single-side electrical connections to suit almost any application.
Sony XM-604M
Designed to resist the rigors of salt water and sunshine. Click here for a larger imageSony XM-604M
View a dimensional diagram (units in inches). Click here for a larger image
Marine Ready
The XM-604M is made to endure everything the marine environment will throw at it. Conformal circuit board coating protects the internal electronics. UV-resistant paint and anti-rust paint on front panel and bottom plate keep it protected from the sun's rays and oxidation. Gold-plated screws, terminals, and connections all resist corrosion.
High- and Low-Level Inputs
The XM-604M features both RCA pin jacks for low level inputs, or you can make a direct connection with the speaker output (e.g., a high-level input connection) of your marine audio unit if it is not equipped with the line output. Input level is also adjustable, so you can match your receiver's output perfectly for minimal distortion.
Low- and High-Pass Filters
This amplifier features a built-in low-pass filter with an 18 dB/octave slope, and a high-pass filter with 12 dB/octave slope, both at 80Hz.
Pulse Power Supply
This unit has a built-in power regulator which converts the power supplied by the 12V DC marine battery into high-speed pulses using a semiconductor switch. These pulses are stepped up by the built-in pulse transformer and separated into both positive and negative power supplies before being converted into direct current again. This is to regulate fluctuating voltage from the marine battery. This light weight power supply system provides a highly efficient power supply with a low impedance output.
Protection Circuitry
Protect both your vehicle's electronics and this amplifier with built-in protection circuitry for thermal overload, direct current, and short circuiting. The unit will shut down after indicating the issue with a red LED.
XM-604M Select Specifications
Power Rating:4 Speakers: 110 W x 4 (at 4 ohms)
3 Speakers: 150 W x 2 (at 2 ohms), 300 W x 1 (BTL, at 4 ohms)

T.H.D:.005% or Less
S/N Ratio:97dB
Power Supply Voltage:10.5 - 16V
Frequency Response:5 Hz - 50 kHz
Input Level:0.3 - 6.0V (RCA input) 2.8 - 12.0V (High Level Input)
Low Pass Filter:80 Hz, -18dB/octave
High Pass Filter:80 Hz, -12dB/octave
Dimensions:15-7/8 x 2-1/4 x 10-1/2 Inches (W x H x D)
Weight:7 Lbs. 1 Oz.

What's in the Box
Sony XM604M Marine 4/3 Channel Amplifier, High-Level Input Cable, Mounting Hardware, Protection Cap, Documentation

79% (19)

Project Flickr Week 29 - Work/Chores

Project Flickr Week 29 - Work/Chores

Don't try this at home! Ever have one of those days at work when you'd just like to pass a UV Lamp through your brain and make it all go away?

This is Mikey at work. I work at a UV Technology company. I sell replacement parts and equipment for Ultraviolet Purification. UV purification uses a portion of the ultraviolet spectrum known as UV-C. It is a shorter, higher energy wavelength than the UV-A and UV-B you've probably heard about. UV-A and UV-B can give you a sunburn, but UV-C really gets serious. When pathogens are exposed to UV-C light, the cell walls are penetrated and the DNA is altered making reproduction impossible and rendering the pathogen ineffective. Don't worry about me...I was born with altered DNA!

There are two specific wavelengths of UV-C that are used in the UV industry, 254 nanoMeters and 185 nanoMeters.

254 nanoMeters is used for disinfection and ozone destruction. The next time you take a drink of a beer, bottled water, or a soda, chances are the water in it was disinfected using UV light. UV is also used to disinfect municipal drinking water and also used in wastewater treatment. After it has been filtered, settled and scrubbed, it is passed through UV light before it is dumped back into the steam for someone else to drink. Don't gag! Here's a secret- all water is reused! UV light is also used in homes to treat well water.

UV light is also used in the pharmaceutical industry and now in swimming pools, spas and water features in public buildings.

UV is also used in the microelectronics industry. The 185nM wavelength is used in a process called Total Organic Carbon destruction. Organic Carbon atoms and molecules in water used to wash off electronic wafers can short between the tiny electronic circuits in microchips. UV-C in the 185nM wavelength destroys the organic carbon molecules and then they can be filtered off.

UV-C is present in sunlight, but the ozone layer protects us from the deadly effects of UV-C radiation. I wouldn't worry about the "hole" in the ozone layer. Remember the two wavelengths of UV-C I mentioned? 254 destroys ozone, but 185 produces it. God has it all under control!

I hope you all enjoyed reading about what Mikey does at work!

Canon 450d

Canon 450d

Canon 450D/XSI/KISS2
•12.2 megapixel APS-C size CMOS sensor for high resolution images of superb quality and detail
•DIGIC III Imaging Processor for high quality fast image processing,
-Provides ultra-fast processing system
-Reduces false colours and improve image quality
-On-chip noise reduction circuit for low levels of noise even at high ISO
•14-bit A/D conversion 16,384 gradations per colour
•3-layer optical low-pass filter (LPF) effectively reduces false colours and maintains excellent resolutions
•Expanded dynamic range due to improvements of the S/N ratio of the CMOS sensor (inhibits over-whitening) for better highlight retention and noise reduction

high pass filter circuits

high pass filter circuits

Pyle PLBASS10 10-Inch Low-Profile Super Slim Active Amplified Subwoofer System

This Pyle 10" 1000-watt super slim active subwoofer packs killer thumping bass in a slim package. Works great in any space, especially under-seat installations - the small footprint means space is not a problem. This model accepts both low level RCA and high level speaker line inputs. It has a remote for bass boost level control within the comfort of your vehicle. A low pass filter prevents annoying subsonics from distorting your signal. And thermal and overload protection extend the life of your product and ensure the safety of your vehicle. Weighs 15.5 lbs.

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Narrow band bandpass filter : Nmo filter bag : System 1 oil filter.

Narrow Band Bandpass Filter

narrow band bandpass filter

    bandpass filter
  • A filter that attenuates signals both below and above the desired passband.

  • A band-pass filter is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range. An example of an analogue electronic band-pass filter is an RLC circuit (a resistor–inductor–capacitor circuit).

  • An electric circuit designed to pass only middle frequencies.

    narrow band
  • Two-Way Radio Narrowbanding refers to an requiring all VHF (150-174 MHz) and UHF (421-512 MHz) PLMR licensees operating legacy wideband (25 KHz bandwidth) voice or data/SCADA systems to migrate to narrowband (12.5 KHz bandwidth or equivalent) systems by January 1, 2013. .

  • (Narrow banded) In physics, the slowly varying envelope approximation (SVEA) is the assumption that the envelope of a forward-travelling wave pulse varies slowly in time and space compared to a period or wavelength.

  • (Narrow Banded) A relative term denoting a restricted range of frequency response.

narrow band bandpass filter - Lumicon 48mm

Lumicon 48mm Oxygen III narrow bandpass Filter for 48mm

Lumicon 48mm Oxygen III narrow bandpass Filter for 48mm

The renowned, original Lumicon OIII narrow bandpass filter (11nm) isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast between the black background of space and the delicate photons of OIII light needed for near-photographic views of the Veil, Ring, Dumbbell and Orion nebulae, among other objects. See for yourself -- it's truly amazing what the OIII filter allows you to see! Lumicon tests every filter individually on a Perkin-Elmer Double-Beam spectrophotometer, inscribing on the filter its % transmission for each of the primary lines. Not intended for photography (use the Lumicon Deep Sky Filter).

84% (16)

The Planet Venus, Approaching Inferior Conjunction, Revelstoke, BC

The Planet Venus, Approaching Inferior Conjunction, Revelstoke, BC

Violet Wavelength Image of the planet Venus as its orbital path brings it closer and closer to earth. Very soon a very narrow sliver of a crescent will be visible just before dusk.

A wratten #47 violet bandpass filter was used to capture this image. It is the area of the spectrum that one can hope to see some of the darker cloud bands on the planet.

It takes alot of time to train one's eye to see the bands. Violet is a hard colour to see any detail in and at best, the bands are ghostlike. Poor seeing conditions did not help much.



CERT members are given a tour of LAFD Sta 4 in downtown Los Angeles and learn a bit about HazMat awareness:

Yeah, it looks like a hand vacuum, but it's THE SNIFFER!

Tunable filter? Unique lens technology?
Narrow-line-width optical-bandpass filter characteristic? Wavelength bands of interest?


narrow band bandpass filter

narrow band bandpass filter

1.25" Orion Sulfur-II Extra-Narrowband Filter

The S-II filter passes light at the 672.4nm wavelength (the Sulfur-II line in the deep red end of the visual spectrum) with very high 90 percent transmission and a bandpass of 7nm. It complements the Orion H-alpha and Oxygen-III extra-narrowband filters, which together allow advanced tricolor imaging of emission nebulas with the StarShoot Deep Space Monochrome CCD Imaging Camera or other monochrome CCD cameras. So if you're ready to go beyond RGB imaging and capture your favorite nebulas in a revealing new light - no matter how light-polluted your skies -- add our S-II (and O-III and H-alpha) Extra-Narrowband filter to your imaging arsenal! Includes protective plastic case.

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Pond Filter With Uv Light

pond filter with uv light

    uv light
  • Radiation present in sunlight, fluorescent light, and to some degree incandescent light. UV light degrades photographs, papers, plastics, adhesives, fabrics and colorants.

  • Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 nm, and energies from 3eV to 124 eV.

  • Electromagnetic radiation in the range of 300 to 400 nanometers. UV radiation is not visible and therefore “UV light” is a misnomer. UV radiation has been implicated in the degradation of photographs and papers.

  • A device for suppressing electrical or sound waves of frequencies not required

  • an electrical device that alters the frequency spectrum of signals passing through it

  • device that removes something from whatever passes through it

  • remove by passing through a filter; "filter out the impurities"

  • A porous device for removing impurities or solid particles from a liquid or gas passed through it

  • A screen, plate, or layer of a substance that absorbs light or other radiation or selectively absorbs some of its components

  • (of flowing water or other liquids) Form such a lake

  • Pond was a grunge band from Portland, Oregon. They formed in 1991 and broke up in 1998. They were signed to Sub Pop (first two albums) and the Work Records sub-label of Sony Records (last album).

  • Hold back or dam up (flowing water or another liquid) to form a small lake

  • a small lake; "the pond was too small for sailing"

  • A pond is a body of standing water, either natural or man-made, that is usually smaller than a lake.

SteriPEN….Adventure………..Microbiological Water Purifier….

SteriPEN….Adventure………..Microbiological Water Purifier….

This handy little beauty can purify a liter of water using only UV lighting in 90 seconds, destroying 99.9999 % of bacteria,99.99% of viruses, and 99.99% of protozoa.

The UV purification technique enables you to safely drink cool clear water right
from a mountain creek or stream, without all the harsh chemicals.

If the water is not clear, to say from a river, lake or pond the water needs to be filtered first with a water filtering system, and there lies the dilemma. You can’t always get your water from a stream when hiking the Appalachian Trail, and overall backpack weight is a huge concern when going long distances.

My thoughts are, water is very important and cool fresh water right from a creek is heavenly…..

Imagine, hiking through a forest and coming across a babbling brook, sounds
of water rolling over rocks, the cool breeze over your hot and sweaty body,
nothing tastes better than a fresh cold glass of water.

SO…..I will bring both…..

Scorpion (Uroplectes lineatus) under UV light 4web 2926

Scorpion (Uroplectes lineatus)  under UV light 4web 2926

This is the same Scorpion same angle just under UV light!!
One of the best tools if one wants to know how many scorpions one has on ones property. Scorpions virtually GLOW under UV light. There is however no logical explanation why though

pond filter with uv light

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62mm circular polarizing filter

Author:62mm circular polarizing filter
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