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Rodenstock filtros digitales HR, la mejor elección –

Para mejorar sus imágenes!

 

Filtros Rodenstock HR digital

Con una máxima precisión óptica.

Filtros Rodenstock para bloquear el UV

Eliminan la neblina gris, y hace los colores mas brillantes.

Filtros Rodenstock polarizadores circulares

- Eliminan las dominantes azules.

- Eliminan las reflexiones y los efectos espejo.

Multicapa y cristales extrafinos

- Para proporcionar una alta transmisión.

- Eliminar reflexiones externas e internas.

Agua

Los filtros están recubiertos con una capa protectora para el agua,

efecto loto.

Marcos finos

Los marcos utilizados son finos para evitar el viñeteo incluso

con lentes angulares extremos.

 

 

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 HR Digital Circular Pol. Filters –

 

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In a rotatable mount, this filter for analog as well as for digital photography contains a micro-thin polarizing film sandwiched between two protective glass plates. This film transmits light only in one polarization plane. Non-polarized normal light is reduced about by half without any further visible effect, roughly like by an ND filter 2×. In contrast, polarized light is either transmitted without hindrance, more or less reduced or even totally rejected by the polarizer, depending on the setting.

 

Filter type	Time or	aperature correction
HR Digital Circular Polarizer	2x - 3x	1 - 1.5 f-stops

 

 

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HR Digital UV Blocking Filters –

 

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This glass filter has been design specificially for digital photography. It is practically neutral in color effect, transmits visible light without hindrance while cutting out ultra-violet (UV) radiation. Due to the short wavelength, UV is highly scattered and has a high intensityin hazy conditions as diffuse radiation. Because most sensors of digital cameras are also a little bit sensitive for ultra-violet (less than for infrared, but much more than your eye), they react with a blue-violet or even a red veil, giving the sky a brighter look, thus reducing the contrast of the clouds against the sky and making distance views pale.

 

Filter type	Time or	aperature correction
HR Digital UV Blocking Filter	1x	0 f-stops

 

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UV/IR Blocking Filters –

 

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This glass filter is practically neutral in color effect. It transmits visible light without hindrance like the previously desdribed UV blocking filter while cutting not only ultra-violet (UV) radiation but also infrared (IR) radiation.

 

Filter type	Time or	aperature correction
UV/IR Blocking Filter	1x	0 f-stops

 

 

 

 

 

 

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Polarisation Filters (linear and circular) –

 

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The Rodenstock Polarizing Filters, designed for analog color and b&w photography, but suitable also for digital photography, are available as linear polarizing filters or as circular polarizing filter.

 

inear polarizers can be used with almost all non-SLR cameras (please see the manual). However, cameras with a beamsplitter in the light path (for AF control or TTL exposure measuring) are not compatible with linear polarizers as the polarizing effect of the beamsplitter interferes with that of the polarizer and this results in AF failure and/or overexposure respectively.

 

Circular polarizers avoid this problem. They have an additional optically effective film (a quarter-wave plate) behind the polarizing film in order to convert the linear polarization into circular polarization which does not interfere with the AF and TTL metering beamsplitter. This is the reason why circular polarizers are the recommended polarizers for all SLR cameras.

 

Filter type	Time or	aperature correction
Linear Polarizer	2x - 3x	1 - 1.5 f-stops
Circular Polarizer	2x - 3x	1 - 1.5 f-stops

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 UV Blocking Filters –

 

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This glass filter is practically neutral in color effect. It transmits visible light without hindrance while cutting out ultraviolet radiation. Due to the short wavelength, UV is highly scattered and has a high intensity in hazy conditions as diffuse radiation. A color film reacts with a blue-violet veil and loss in contrast, while b&w film gives the sky a brighter look, thus reduces the contrast of the clouds against the sky and makes distance views pale.

 

Filter type	Time or	aperature correction
UV Blocking Filter	1x	0 f-stops

 

 

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 Neutral Density (ND) Filters –

 

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These neutral density (= gray tinted) glass filters, also known as ND filters, reduce all visible colors equally, e.g. by two f-stops. This allows motion blur to be achieved with a longer exposure time than would otherwise be permitted by the brightness of the illumination and the film speed or sensor sensitivity.

 

Filter type	Time or	aperature correction
ND Filter 2×	2×	1 f-stop
ND Filter 4×	4×	2 f-stop
ND Filter 8×	8×	3 f-stop

 

 

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Skylight Filters –

 

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Skylight filters for analog photography with slide film have a very pale amber tint and act like a UV filter to cut out ultraviolet radiation. In addition, they eliminate the bluish hue in shadow due to the indirect light from the blue sky. This color distortion is particularly unpleasant on skin. A skylight filter should only be used if the entire motif is in the shade. For the areas lit by direct sunlight will also be subject to the amber filter even though they do not have any bluish hue – they then turn amber. For this reason, a skylight filter should never be used for front-lens protection (use a neutral UV filter instead).

 

Filter type	Time or	aperature correction
Skylight Filter 1A	1x	0 f-stops

 

 

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 Filters for Black & White Film –

 

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These tinted glass filters in yellow, green, orange or red colors are used with b&w film to convert the filter color into lighter and its complementary color into darker gray tones. This may be to correct unfavorable tones or as a deliberate manipulation to obtain a more impressive representation. Although these filters are not intended for use with color film or digital photography, they may occasionally provide interesting effects.

 

A green filter makes greens lighter and reds (and to a lesser extent blue) darker so that they render leaves, for example, as lighter and red blossoms or tiled roofs as darker. This is often an advantage for landscapes or for close-ups of flowers or
other plants. With tungsten light it provides more natural gray tones. A green filter also gives greater expression to portraits (but do not use if subject has skin blemishes, they would be enhanced) and provides the correct gamut conversion of the colors to gray under tungsten light with a high amber content.

 

A yellow filter is the most popular type of filter for b&w shots, particularly for landscape photography. It darkens a blue sky so that white clouds or snow in wintry landscapes appear with greater brilliance. As the effect of a bright yellow filter is very discreet, a medium to dark yellow filter is preferred.

 

An orange filter darkens blue even more than a yellow filter to createa very dramatic (cloud) atmosphere in landscape shots. With infrared b&w or color film, it is the most popular filter for magical effects especially in landscapes.

 

A red filter has an even more dramatic effect in landscape and architectural photos than yellow or orange filters. It is also ideal for “moonlight shots” during the day (underexpose slightly) and for spectacular photos with infrared color film.

 

 

Filter type	Time or	aperature correction
Green filter (13)	3x	1.6 f-stops
Yellowish green filter (11)	2x	1 f-stops
Medium yellow filter (8)	2.5× - 3×	1.3 - 1.5 f-stops
Dark yellow filter (15)	4x	2 f-stops
Orange filter (22)	4x	2 f-stops
Bright red filter (25)	8x	3 f-stops
Dark red filter (29)	8x - 12x	3 - 3.6 f-stops

 

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