All articles ← Knowledge Base 239 Polariser Achieving White Light / Additive / Subtractive mixing. Additive & Subtractive colour mixing Are Fluorescent Sleeves easy to install? Are LEE Filters self adhesive? Are there as many colours available in glass as with the regular lighting filter? B1 Certificate Lighting filters Big Stopper - Blue cast? Blacklight Broken filters / holders. Can I duplicate a palette? Can I narrow the range of colours? Can I use a polariser & coloured filters together? Can I use a polariser and ND grad in the filter holder? Can I use filters on a digital compact? Can I use my existing screw in polariser with the LEE Filter Holder? Can I use the LEE System on 617 cameras ? Can I use the LEE system on a Canon 17mm TSE lens? Can I use the system on my Hasselblad CF 40mm? Can I use these sleeves on the higher wattage fluorescent tubes? Can my scratched Resin Filters be polished? Can you make filters with two colours (i.e. ND & warm up)? Can you produce a colour temperature filter as a grad? Can you supply grad filters for Black & White photography ? China Dealers Cleaning of the Microfibre Cloth Do LEE make a filter for infra red photography? Do LEE make a system for the Zeiss 15mm? Do LEE make centre ND filters, for wide angle lenses? Do the bayonet adaptor rings fit the inner or outer bayonet? Do you have a lens cap for your system? Does LEE Filters create custom colors for Dichroic Glass? Does LEE offer a product to reduce glare? Does LEE offer accessory holders for other lamp types? Does the glass color fade? Faulty Big or Little Stopper / Red lines / Flare. Field Pouch Fuji 60mm XF 2.4R Fuji X - 10-24mm How can I order or buy LEE Filters products? How can I tell which is the coated and which is the non-coated side of the glass? How can I use Grad filters on my rangefinder camera? How do I attach lighting filters to a window How do I attach my filters to some Perspex / window etc? How do I calculate colour temperature shift ( mired shift ) How do I clean my Polyester Filters? How do I clean my Resin Filters? How do I find a dealer? How do I find out more about the filters? How do I fine-tune my selection? How do I mount polyester filters in the plastic frames? How do I rename my palette? How do I reorder the colours in my palette? How do I save my palette? How do I see my colour bigger? How do I select a colour? How do I share my palette? How do I start a new palette? How do I store LEE resin filters? How do you attach an MR16 filter to an exposed MR16 lamp? How does the Diffusion Finder work? How does the Gel Comparator work? How long will my Gel filters last? How long will the colour sleeves last? How many colours can I add to the palette? How many filters can I use before the image quality suffers? How much exposure compensation do I give Grad Filters? How thick are LEE Dichroic Filters? How thick are the gel filters? How wide will the LEE Filter System go without vignetting? I have an idea to make the app better, or something is not working. I have lost the brass finger bolt / wedge / spring from my holder – help? I know what I'm after - how do I add it to my palette? I love this app! Who made it? I use SLR, Medium and Large Format cameras, does LEE have a system that can be used on all three? I'm seeing lots of palettes I didn't create? I've changed my mind, how do I delete the colour? If I had to buy just one filter, which would you recommend? If I put my filters in front of an high watt lamp will they burn? Inspiring Professional Book 1 & 2 Is the Fluorescent Sleeve colour easily replaced? Is there a Dealer in Canada? Landscape Polariser LEE filter iTunes books not available in my country Life Time Colour Filter - How long will the colour last Medium Wide / Universal Hood My lens has a non standard fitting – How can I use the LEE System? Polariser ring 105mm - longer screws needed? Recycling polyester gels Red Darkroom Safelight Filter Should I use hard or soft grads? Sigma 105mm f1.4 Art Sigma 12-24 MkI Mk1 or Mk2 MkII Sony Alpha cameras - which system. Spring / Wedge Clip SW150 Screw Thread Adaptors The charts are small, can I make them bigger? Tokina AT-X 11-20mm F2.8 PRO DX Very Hard and Medium Grads. What additional glass products does LEE Filters offer? What are the filters made from? What are the most common Dichroic colors used as primary colors? What are the three primary colours? What colors does LEE Filters offer in Dichroic Glass? What do I need to get started using filters? What does 0.3, 0.6 etc. mean? What does the Y value mean? What filter do I need to convert a xK lamp to a colour temperature of yK? What filter sizes do LEE make? What Flourescent Sleeve colours are available? What is a blender filter? What is a stop? What is the 100mm Push On Filter Holder? What is the difference between a Linear & Circular polariser? What is the difference between Resin, Polyester & Glass filters? What is the heat resistance of lighting filters? What is the lead time for custom sizing? What is the maximum temperature the Dichroic Glass can withstand? What sizes do you offer in Dichroic Glass? What’s the difference between hard and soft grads? When should I use a wide angle adaptor ring? Where can I buy your photographic products? Where can I find LEE Gobos? Where can I get a swatch Where is my nearest Camera Filter dealer? Where is my nearest Lighting Filter dealer? Where would I use a glass filter? Which lens hood should I choose? Which side should be placed toward the light source? Which system for my lens Why am I not getting what I expected from my search? Why can’t I use a lens hood with my polariser? Why does the LEE Field Pouch not take the Holder or adaptor rings? Why is 82mm the largest Wide Angle Adaptor Ring? Why is it if I am in List view and click back to Colour view there's only a few colours? Wide Rolls Will a Wide Angle Adpaptor Ring work on any lens? Will my filters burn? Will Quick Rolls fit any size fluorescent tube? Your website refers to a Source C - what is Source C?