The Tiffen 67mm Photo Twin Pack consists of a UV Protection filter and Circular Polariser.
UV Protection Filters UVHaze (UV) filters are wise initial investments. They help protect your valuable investment from dust, moisture and scratches, which can lead to costly repairs. If desired they can be left on the lens at all times for protection. Haze filters provide additional benefits of correction for Ultraviolet (UV) light which can register on film and videotape as a bluish cast and can obscure distant details. Ultraviolet filters allow you to correct for the UV effect to varying degrees. Haze-1 filters absorb approximately 71 percent of UV.
Circular Polarisers Light rays which are reflected become polarised. Polarising filters are used to select which light rays enter your camera lens. They can remove unwanted reflections from non-metallic surfaces such as water or glass and also saturate colours providing better contrast. The effect can be seen through the viewfinder and changed by rotating the filter. The filter factor varies according to how the filter is rotated and its orientation to the sun.
|Type||Photo Twin Pack|
|Filter Factor||* Circular polariser = Between 2.3 and 2.8 (approx. +1.3 stops)|
* UV Protector = 0
|Rotating||Circular polariser = yes|
|Effect||* Circular Polariser = Removes reflections and increases colour saturation without affecting the overall colour balance|
* UVP = Reduces excessive blue; Cuts through haze and can improve image clarity; Protects front element of lens
|Application||* Circular Polariser = Nature, travel, outdoor photography|
* UVP = Helpful when photographing mountain and marine scenes, where increased haze threatens to make your photographs indistinct in colour and clarity
|Colour Temperature||Not Applicable|
|Front Filter Thread Size||67mm|
|Front Lens Cap Size||67mm|