2017 07 << 12345678910111213141516171819202122232425262728293031>> 2017 09

HOYA UV FILTER REVIEW - FILTER REVIEW


Hoya uv filter review - Pond filter accessories - Bad fuel filter signs.



Hoya Uv Filter Review





hoya uv filter review






    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 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.

  • 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.





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

  • reappraisal: a new appraisal or evaluation

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

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

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

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





    hoya
  • Asclepias L. (1753), the milkweeds, is a genus of herbaceous perennial, dicotyledonous plants that contains over 140 known species. It previously belonged to the family Asclepiadaceae, but this is now classified as the subfamily Asclepiadoideae of the dogbane family Apocynaceae.

  • any plant of the genus Hoya having fleshy leaves and usually nectariferous flowers

  • A climbing or sprawling evergreen shrub with ornamental foliage and waxy flowers, native to Southeast Asia and the Pacific and grown as a greenhouse or indoor plant

  • Hoya is a genus of 200-300 species of tropical climbing plants in the family Apocynaceae (Dogbane), native to southern Asia (India east to southern China and southward), Australia, and Polynesia. Common names for this genus are waxplant, waxvine, waxflower or simply hoya.











Impact of (very) bad UV filter




Impact of (very) bad UV filter





Un element trop souvent neglige pour trouver la cause de photos floues: le filtre UV
Les 2 photos sont prises avec un canon 70-200 f4L a 200 mm et f5.6
Celle du haut sans filtre UV
Celle du bas avec filtre UV Hoya d'entree de gamme. (green serie)
comme on dit: y'a pas photo !!

Bon c'est peut-etre aussi un sacrilege de mettre un filtre bas de gamme sur un objo L..mais c'etait surtout dans le but de proteger l'objectif des rayures. Donc mieux vaut faire sans filtre et faire attention ;) (ou investir dans un bon filtre mais qui coute souvent une centaine d'Euros)

Le pire c'est que j'avais ce filtre depuis 1 an et demi et que c'est seulement maintenant que je me rend compte de sa tres mauvaise influence sur la qualite d'image :((

Donc faites aussi bien attention au filtre UV recu en "cadeau" a l'achat d'un objectif, car ce sont des filtres bas de gamme souvent de mauvaise qualite qui degraderont l'image.

Be careful when you receive an UV filter as "gift" when you buy a lens. Most of time it's a cheap filter with a very bad quality. The one I used for this test was the Hoya green serie.
More expensive and filters with higher quality don't have so bad impact on the sharpness.











Test exposure of the Tokina 11-16mm f/2.8




Test exposure of the Tokina 11-16mm f/2.8





This are some test exposures I took with the new Tokina 11-16mm f/2.8, is a sweet lens and so super ultra wide @ 11mm it just blew my head like a volcano, but this lens will be great for landscape...so far it didn't disappoint, what the reviews said was almost down to the tea....

Manual Mode, WB-Daylight fluorescent, ISO-100 (Lo1), Shutter Speed-1/90s, Aperture-f/stops-f/5.6, Lens-Tokina 11-16mm f/2.8 aka TokiDoki, Focal length-@ 11mm, Metering Mode-Spot, Filter-Hoya UV HMC-77mm, Camera-Nikon D90 aka Nikki, Flash-not used, Tripod-Hand held, Trigger-Manually









hoya uv filter review







See also:

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skylight filter

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2nd order low pass filter



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