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49MM UV FILTER - 49MM UV


49mm Uv Filter - 20 Gallon Aquarium Filter - Hotmail Email Filter.



49mm Uv Filter





49mm uv filter






    uv filter
  • UV filters are individual compounds or mixtures to prevent ultraviolet (UV) light from coming through. UV filters are used in sunscreens to protect skin or in photography to reduce haziness or fogginess created by ultraviolet light.

  • This is an Ultra Violet absorbing filter that helps overcome the abundance of blue in outdoor photographs. Not really necessary in digital photography as the camera's white balance system adjusts for the colour temperature of the scene.

  • This coating is a filter for the harmful UV radiation. The coating is either put on the lens or is imbedded into the lens to protect your eyes for the harmful effect of the sun’s UV radiation.











49mm uv filter - Hoya 49mm




Hoya 49mm HMC Multicoated UV (0)


Hoya 49mm HMC Multicoated UV (0)



Absorbs the ultraviolet rays which often makes outdoor photographs hazy and indistinct. A muliti-purpose fine-weather filter for color as well as black and white films. Also serves as a permanent lens protector. HMC (Hoya Multi-Coating) These popular filters are renowned for their ability to minimise reflection at the filter surfaces which reduces flare and ghosting. The result is an average light transmission of over 97%, giving sharp contrast and well balanced color. HOYA HMC filters are recommended for enhancing the performance of today's multicoated lenses.










87% (17)





ISO6400 test shot




ISO6400 test shot





Taken to demonstrate K20D high ISO capability
taken as RAW and PP done on the PC in an effort to maximize image quality
Lens is SMC Pentax-M 35/2.0 f=5.6

This photo was posted as part of a discussion about certain compact cameras alleged ultra-high-ISO capabilities.
Please note that this picture was taken with a rather good APS-C sensor (23.5X15.6mm compared to 5.3X4 to 7.6X5.7mm used in compacts) and an old but very sharp prime lens. Also note that most compacts does not record RAW files and in-camera processing is usually inferior to that done on the PC.











Pentax KX with M 50mm f/1.4




Pentax KX with M 50mm f/1.4





1975 asahi pentax kx single-lens reflex camera with smc pentax-m f/1.4 50mm lens, a 49mm uv filter, and a soltron 177 solid state. klik! by mahendra.

kx was the first single-lens reflex camera i ever used. i was 14 years old, i think, and spent two years after taking lots of pictures with it. since my parents was still using it too, i gave it back to them in 1992, and got myself a yashica fx-3 slr.









49mm uv filter








49mm uv filter




Marumi 49mm 49 DHG Digital High Grade Filter UV L390 MC MCUV Multi-Coated JAPAN






Marumi® brand. DHG Multi-coated UV L390. Blocks UV rays Protects your Lens from Dirt and scratches Pro quality filter. Made in Japan. Ultra-low reflective coating minimizes reflection off internal CCD & CMOS sensors. Multicoated (6 coatings) optical glass filter. Black rim: Edge treated with black ink to eliminate reflections. Low profile: Just 5mm high (not inc rear threads). Great for Wide angle lenses, no vignetting. Non-reflective metal frame eliminates reflections. Metal, double threaded frame to allow additional filters or hoods.










See also:

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24
2011
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WEB FILTER REVIEW. FILTER REVIEW


Web filter review. Smc air filter regulator.



Web Filter Review





web filter review






    web filter
  • Content-control software, also known as censorware or web filtering software, is a term for software designed and optimized for controlling what content is permitted to a reader, especially when it is used to restrict material delivered over the Web.

  • (Web filters) You can create Web filters, based on Internet Server API (ISAPI), for viewing, analyzing, blocking, redirecting, or modifying Hypertext Transfer Protocol (HTTP) and File Transfer Protocol (FTP) traffic.

  • A feature in the Vista Parental Control that allows user to block access to a specific web site or specific types of web content.





    review
  • look at again; examine again; "let's review your situation"

  • an essay or article that gives a critical evaluation (as of a book or play)

  • A periodical publication with critical articles on current events, the arts, etc

  • reappraisal: a new appraisal or evaluation

  • A formal assessment or examination of something with the possibility or intention of instituting change if necessary

  • A critical appraisal of a book, play, movie, exhibition, etc., published in a newspaper or magazine











OPTEKA FISHEYE .35 REVIEW




OPTEKA FISHEYE .35 REVIEW





Why do I write this…
Wanted to buy this lens for some time now. But living outside of the U.S eliminates any possibility of returning camera goodies due to warranties or poor performance. I actually searched through the web looking for a decent review of opinion of this lens before buying it. I was really disappointed of what I found. Either way I bought the lens. An OPTEKA .35 and wanted to write this little review for anyone on the need of some info related to this product so you don’t go through a bad experience if this lens is not what you were looking for.
ACTUAL REVIEW STARTS HERE:
First and most important. This is not a fisheye lens it’s actually a SEMI-FISHEYE lens. Something you will feel scammed at first due that it is shown as a full fisheye in Amazon and any other web page trying to sell you this lens.
In your Mail Package:
Having cleared that out, when you open your UPS package you should find an adapter for 67-52 adapter that screws directly into your camera ( I used a NIKON D40 with a 18-135 lens) and a box just like the one pictured in your sellers webpage.
In your Case
Inside of it you will find a thick material carrying hard case with a soft red interior (it used to be a pouch but this is much more durable and protects your new lens way better) when you open it, you will see, wrapped in plastic, your lens covered by two plastic protective caps. These caps are almost useless due that they fall off too easily with time. I’m pretty sure that’s why the changed the worthless pouch they used to provide with a harder case.
2x1
I was a surprised by the fact that this lens actually comes with an attached MACRO lens screwed at the bottom of the Fisheye lens itself. (they have to be together in order to work properly as a fisheye but you can easily detached to have a nice macro lens for some good ultra close up shoots. (Sorry if all fisheyes have this feature but I just found out about it :D )
The Lens itself
It’s made of metal and glass and is surprisingly heavy. It’s multicoated and manufactured in Japan.
It comes with a 52mm thread, so it screws right onto your Nikon kit lens. But you in order to get the best fisheye effect you should use the shortest focal length possible. 18mm should do well. This lens has some lack of performance with softness found around the edges, but at the same time it compensates it with a good sharp central point of focus, This problem is much more visible when you use a small aperture. Sadly flare is also an issue. A last bad feature is that EXI data (Camera settings and scene information) is redundant due that this lens is an attachment to other lenses. At the very top it comes with a filter adapter that lets you screw them directly into the fisheye.
My 2 cents.
Come on! You are not reading this in order to get only the good news about this great lens (otherwise you would’ve gone to OPTEKA’s web page or the seller itself) I’m just telling you what you should expect about a lens costing around 25$ to 35$. Which by the way it does a superb job at being what I would call the “poor’s man fisheye lens” just like the 50mm 1.8 D is to all of us. It really gives great pictures, sorry if my pictures disappoint you but I’m an amateur trying to help. Look at the pictures taken with this lens by me. No modifications or enhancements were done. Hope it helps you as much as I wanted to help me decide before buying it.












Screenshot Attensity Analyze 4




Screenshot Attensity Analyze 4





Screenshot of Attensity Analyze for German: Dashboard visualizes all complaints about mobile phone HTC Touch Diamond II. User selected manufacturer HTC, product HTC Touch Diamond II, and category type Complaints as data filters. Aside from general negative comments, User discovers complaints about the battery and reception are the top issues.

Compliments and complaints were automatically extracted, analyzed and categorized from following review web sites: amazon.de, ciao.de, dooyoo.de, inside-handy.de, yopi.de.

++++++++

Screenshot von Attensity Analyze for German: Das Dashboard visualisiert alle Beschwerden uber das Mobiltelefon HTC Touch Diamond II. Der Anwender hat den Hersteller HTC, das Produkt HTC Touch Diamond II sowie die Kategorie Beschwerden als Filter ausgewahlt. Neben allgemeinen negativen Aussagen stellt sich heraus, dass es die meisten Beschwerden zu Akkus und Empfang gibt.

Die Aussagen wurden von den folgenden Webseiten automatisch extrahiert, analysiert und kategorisiert: amazon.de, ciao.de, dooyoo.de, inside-handy.de, yopi.de.










web filter review







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24
2011
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