LEE Filters RF75 Advanced Filter Set (75x90mm) (Requires Filter Holder)

LEE Filters RF75 Advanced Filter Set (75x90mm) (Requires Filter Holder)

LEE Filters RF75 Advanced Filter Set (75x90mm) (Requires Filter Holder)

LEE Filters RF75 Advanced Filter Set (75x90mm) (Requires Filter Holder)

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  • Fits the RF75 Filter Holder

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  • 1Description

The Lee RF75 Advanced Filter Set contains a full Neutral Density (3-stop), Neutral Density (2-stop) to 81B and Standard 81B filters.

Neutral Density
Unlike the graduated ND filter, this filter is neutral density from top to bottom and allows the use of fast film in bright situations since it reduces the amount of light reaching the film.

Neutral Density to 81B
Combines the effect of a 2-stop Neutral Density filter with a Color Conversion 81B (warming) filter.

It's Autumn. The clouds are low hanging and the sky is "patchy blue". You've gone for a ride upstate to the mountains and the light in open shade is bluish. A photo taken of your girlfriend with daylight balanced film leaning against the side of a barn will yield bluish tones that she might not find particularly flattering.

An 81B filter will replace even more yellow than an 81A and bring her skin tones back to a more appealing level. An 81B can also be used with electronic flash to reduce the amount of "blue" generated by the flash. The 81 series (81A, B, C, D and EF) allows you to choose how much warmth you wish to replace in the image.

Standard 81B Filter
Adds more warmth than an 81A. This filter controls the bluish coloration that affects daylight film. It can also remove excessive blue from the effects of electronic flash.

The Lee RF75 Rangefinder Filter Holder System offers a small, portable, flexible filter system to users of all camera formats. From small, high-end digital cameras to traditional medium and large format shooters, the RF75 is designed with a lightweight and compact design making it a perfect choice for outdoor shooting.    

This system was originally targeted for small, rangefinder point-and-shoot users. However, it is an eminently viable alternative for anyone needing a compact, full-featured filter system at a reasonable price point. Film shooters as well will find this system of great benefit.

The system holds filters sized 75 x 90mm. The front assembly of the holder has been laser etched for repeatable positioning of the holder. In that way, graduated filters can be used over and over again with the same results. This is a huge benefit to rangefinder users who cannot see the effects of the filters through their viewfinder.  The two filters slots on the holder have been designed to cover the widest lenses available in today's market.

Note: RF75 Filter Holder sold separately

Neutral Density Filters Have Four Main Uses

To enable slow shutter speeds to be used, especially with high speed films, to record movement in subjects such as waterfalls, clouds, or cars
To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background
To decrease the effective ISO of high speed film (above ISO 400) and allow it to be used outdoors in bright situations
To allow cine and video cameras (which have fixed shutter speeds) to film subjects such as snow, sand or other bright scenes which could cause overexposure

Neutral Density Factors

ND.3 (exposure adjustment = 1 stop, reduces ISO 1/2)
ND.6 (exposure adjustment = 2 stops, reduces ISO 1/4)
ND.9 (exposure adjustment = 3 stops, reduces ISO 1/8)
ND1.2 (exposure adjustment = 4 stops, reduces ISO 1/16)
In the Box
LEE Filters RF75 Advanced Filter Set (75x90mm) (Requires Filter Holder)
  • RF75 0.9 Neutral Density Standard Filter (3 stops)
  • RF75 0.6 Neutral Density to 81B Combination Filter
  • RF75 81B Standard Filter
  • Table of Contents
    • 1Description
    Type Advanced Filter Set -Neutral Density/Color Conversion
    Size Fits RF75 Filter Holder - 75 x 90mm
  • Neutral Density: 3-stops
  • Neutral Density to 81B: 2-stops
  • Filter Factor
  • Neutral Density: ND.6 (exposure adjustment = 2 stops, reduces ISO 1/4)
    ND.9 (exposure adjustment = 3 stops, reduces ISO 1/8)
  • 81B: +1/3 stop
  • Multi-Coated Not Applicable
    Rotating Not Applicable
  • ND: Reduce the amount of light reaching the film
  • 81B: The 81 series adds warmth to the image
  • Application
  • ND: Nature, Travel, Outdoor photography
  • 81B: Good for general scenics when the photographer wishes to remove the bluish cast from open shade or just add warmth to the photograph
  • Color Temperature
  • Neutral Density: No change
  • 81B: Decreases color temperature from 3500 - 3200K
  • Construction Resin
    Front Filter Thread Size Not Applicable
    Front Lens Cap Size Not Applicable
    Introduction to LEE Filters

    LEE Filters RF75 Advanced Filter Set (75x90mm) (Requires Filter Holder) Review

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