Rectangular Filters

At Rollei, we offer you a large selection of high-quality filters for professional photographers and discerning amateur photographers. With the two filter series F:X Pro and Mark II we cover a wide spectrum Square filters for 100 mm plug-in filter systems.

filter series F:X Pro - photo filter for plug-in filter system

the Photo filters from the F:X Pro series from Rollei are even suitable for cameras with a resolution of 150 megapixels highest color fidelity without color cast and are also repeatedly through the so-called Luminance Coating coated, which is also dirt-repellent and scratch-resistant. Our filters are suitable for 100mm and as Gray filter and gray gradient filter Available in Gorilla* Glass. The robust, translucent and distortion-free filter glass is regularly tested for its high quality by our strict quality assurance and the company's own laboratory. In short: they are the best filters we have ever built..

Why buy ND filters & ND filters from the F:X Pro series?

photo filter like our F:X Pro GND filter and ND filter for sliding into the filter holder allow you to adapt to all circumstances and lighting conditions and give professional and amateur photographers a feel for the unique image design back, which no post-processing of the RAW files can replace.

Our plug-in filters also have other advantages:

• They are suitable for several lens types, up to the ultra wide angle lens
• you prevent vignetting
• plug-in filter offer more possible combinations than screw filters
• Plug-in filters can be essential changed faster are used as screw filters - this enables more dynamics and flexibility when adapting to changing light conditions, e.g. when recording sunrise or sunset
• Graduated Gray Filter for filter holders enable precise adjustment to the respective horizon line , by sliding them up or down. Because with many motifs this is not in the middle. Round filters, on the other hand, always have the horizon line in the middle and this cannot be moved

Filter series Mark II - ND filters made of high-quality Gorilla* glasss

Rollei takes special action for its quality high-quality rectangular filter back to Gorilla Glass*. The filter glasses of the current production series are therefore not only extremely weather resistant , but do not lose their optical properties even through careless or extremely rough handling. The special treatment of the Gorilla* glasses acts directly at the molecular level with a bath in a boiling hot alkaline solution, starting a precisely planned exchange of ions, which not only protects the raw material better against mechanical pressure, but also cracks and scratches due to increased surface tension clearly counteracted. Even with deeper damage, the coating prevents further material chipping at the edges.n.

Gorilla* glasses are already "inherently" special translucent and distortion-free . The special type of glass ensures that these excellent optical properties are not impaired by dirt or damage. In addition, the filter glasses benefit from the one developed by Rollei special coating , the quality of which is regularly and strictly monitored.

Not only discerning photographers are among the beneficiaries of the exceptional properties of Gorilla* glasses, displays of premium smartphones and tablets are also made of this particularly resistant material. The American company Corning Inc. can look back on more than 160 years of experience in the production and treatment of special glasses and optics. the Rollei rectangular filter can therefore be made from only 2mm thin Gorilla* glass and easily meet all the quality requirements that we place on Rollei professional filters with a particularly low weight..

Gray filter with special luminance coating

Reflections can add a unique look to photos or ruin them completely. In order to use these optical effects in a targeted manner, accidental occurrences must be reliably prevented. For this Rollei now on a specially developed special treatment for our special high-quality filter glasses . The extreme light transmission and color fastness not affected.

The special procedure is based on very precise specifications from Rollei, compliance with which is constantly checked and can also lead to complete deliveries being rejected. This coating is also ideal for the already extremely resistant, neutral and brilliant Gorilla* glasses of oursr Professional square filter .

As a photo professional or demanding hobby photographer, you benefit twice over. You don't have to worry about possible reflections when choosing a location and you can focus on the impressive Weather resistance and robustness the additionally remunerated Rollei rectangular filter made of Gorilla Glass** completely abandoned even in extreme situations. Even bad bumps or unintentional contact with sharp and pointed objects make the coated and color-neutral filter glasses surprisingly little.

The optical tolerance values leave no room for quality defects: the color curves of the glasses must be absolutely homogeneous in the range from 400 to 800 nm, otherwise they may not bear the Rollei name. You can add reflections, color shifts or special effects afterwards - the image material provides a neutral, reflection-free and distortion-free basis for your creative ideas.r.

ND Filter Engineered And Quality Controlled in Germany

Quality is not a one-off event, but a continuous process that has to be constantly improved and adapted to the wishes of the customer and the possibilities of the technology. Therefore, after careful and intensive preparatory work, we at Rollei have introduced an exceptionally strict quality management system that permanently ensures the high quality of our professional filters. As "Engineered And Quality Controlled in Germany", this QM strategy documents various procedures and framework conditions that far exceed the standards customary in the industry. We proceed in an extremely structured manner and leave no result to chance:

All subsequent production steps are based on Rollei's specifications and quality expectations.

The particularly high-quality ones Rollei rectangular filter for photo professionals and demanding amateur photographers cover optical properties that could not be guaranteed at the same time with lower quality guidelines. Therefore, all criteria must be met at all times, compromises in one discipline would also immediately affect other aspects. The release of new production samples is consequently exclusively in the hands of the Rollei filter specialists.

For Rollei, however, series production does not in any way mean a relaxation of expectations. Prior to the delivery of the production batches, there is merciless quality control according to the AQL principle (Acceptance Quality Limit): If a precisely calculated quantity of randomly tested products falls through the grid, the entire batch receives it no release..

The filters delivered then have to pass a final check at Rollei again according to the strict AQL specifications before the products can finally be delivered to retailers and end customers.n.

In view of the already extremely high-quality raw materials and taking into account the comparatively large amount of rejects, the quality principle "Engineered And Quality Controlled in Germany" may seem a bit too strict for some customers, but you can always rely on the quality of your photos, even in particularly demanding recording situations Rollei professional filters leaving.

*Gorilla is a registered trademark of Corning Inc..