Heliopan Linear Polarising Filter, 39-105mm

Heliopan Linear Polarising Filter.

The Linear Polariser is not suitable for use with Digital or AF cameras, use a Circular Polariser instead.

Both AF and Digital cameras meter and focus using a sub-mirror to direct light to the focus sensor and metering. This results in the light being partially polarised. Besides the polariser foil, a additional 1/4 wave plate is also added to give correct results. So both AF and exposure are correctly calculated. A circular polariser is also required for some older manual focus film cameras, like the Olympus OM-3 and OM-4 series, Nikon F3, Pentax LX etc.

So why use a Linear polariser? Well it’s because it can give a deeper contrast compared to a cir-polariser filter. So richer and more intense blues in landscapes and seascapes. A linear polariser could still be used on a AF or Digital camera, but only in manual focus and by adjusting the exposure 2-3 stops to account for the degree of polarisation.

Polarising Filters reduce reflections and glare. The Heliopan Polariser improves the colour of the sky, (in distant pictures, mountain scenes, etc). It reduces the bluish cast in landscapes and increases the blue colour of the sky. The effect is strongest at a 90° angle to the sun. In addition polarisers enhance the colour saturation of the scene by suppressing the reflections on the surface, undesired reflections are largely eliminated.

For brilliant color reproduction, highest contrast and sharpness Heliopan filters are THE choice for the professional photographer. When coupled with the fact that Heliopan filters are manufactured from SCHOTT glass (the same stuff used to make ZEISS optics), it is clear that the only thing that should stand between your lens and your subject is a Heliopan filter.

Made in Germany, all Heliopan screw-in filters come in high quality anodised brass mounts which virtually eliminate binding.

This filter is coated on both sides with a anti-reflective scratch proof metallic oxide coating. Even superior is the version with the special SH-PMC Multicoating.

Heliopan Linear-Polarising is available in Standard and Slim versions. Not all filter sizes are available as Slim type.

Slim type has no front filter thread so a lens hood or lens cap cannot be used but is about 1.5mm to 2mm thinner.

Features:

• Available in 37mm to 105mm sizes
• Rims are number calibrated for ease of setting
• Made in Germany
• Brilliant Colour Reproduction and High Sharpness
• The highest quality optical glass from the German Schott Group
• The longest life expectancy thanks to brass filter rims
• Minimal reflections because of matte black filter rings
• At least one high quality hard coating on each filter side

http://www.heliopan.de/produkte/polarisationsfilter/

Heliopan Circular Polarising Filter,39-105mm

Select the required Filter Size from the drop-down menu

Please Note: Occasionally, some filter sizes may not be in stock, we recommend you to contact us to confirm availability before ordering.