Redrock microFilters

Please Note: microFilters will be available to order and ship starting July 7th, 2008.

Redrock microFilters bundle is a starter set of the most commonly requested filters at an exceptional price.

Redrock microFilters are a great accessory to get the most out of your microMatteBox.

A polarizer is probably one of the first filters any camera user should purchase. The principal use of the polarizer is to eliminate surface reflections, glare and hot spots from any light source entering the camera. This reflected light often shows up as a whitish glare which reduces the color in the image. The polarizer is used for colour and contrast enhancement and removes reflections from substances such as water and glass. It can darken a blue sky and
increases colour saturation.

Neutral density glass filters (also known as ND filters) produce a grey neutral tone and are used to reduce light, enabling more control over exposure and depth of field without affecting color or contrast.

ND filters are especially useful in bright light conditions to avoid overexposure. When using wider lenses they adjust exposure correctly, allowing for reduced depth of field. This enables highlighting of the principal subject and taking the foreground or background out of focus.

A soft-edged graduated neutral density filter incorporates the same properties as a neutral density filter, but has the ND portion slowly introduce in the filter from 0% to 100% over the top ~50% of the filter's vertical size. This graduation is typically used to balance exposure outdoors where the sky needs to be stopped down but the ground remains a consistent exposure level. Combined with the rotating and positioning filter trays in the microMatteBox, the graduation can be rotated and moved to match the horizon line.

The Neutral Density 0.6 grad filter reduces brightness by 2 stops of light at its darkest tint.

The Redrock microFilter IR Cut filter (also known as a hot mirror) eliminates infrared wavelengths that can create unwanted color shifts when using neutral density filters with high end digital cameras (notably the Red ONE, Sony EX1, and Sony EX3). The microFilter IR Cut filter does not affect visible red wavelengths, and provides a sharp cut-off at Infrared wavelengths. As with all Redrock microFilters, the coating is internally sandwiched to eliminate any possibility of coating damage.

All filters made with polished Schott B270 Superwhite optical quality crown glass
Filters are tested for absorption and transmission using a Beckmann spectrophotometer
All filters guaranteed surface flatness of better than 155 nanometers in any 25.00 mm diameter area using a laser interferometer
Weight: each filter/case 5 oz/ 154g. Each filter alone is 4 oz / 119g

All prices are available in our product catalog under the Purchase menu

Redrock microFilters will be available for ordering and start shipping July 7th, 2008.