B&W 52mm Linear Polarizer Multi-Resistant Coated (MRC) Glass Filter - Light rays which are reflected become polarized. Polarizing 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 colors 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.
Multicoated to minimize reflection at the filter surfaces which reduces flare and ghosting.
Note! Linear polarizers are used with most video and manual focus photo cameras. They are not recommended for auto-focus SLR cameras
| Type | Linear Polarizer |
| Size | 52mm |
| Grade | Not Applicable |
| Filter Factor | Between 2.3 and 2.8 (approx. +1.3 stops) |
| Multi-Coated | Yes |
| Rotating | Yes |
| Effect | Removes reflections and increases color saturation without affecting the overall color balance |
| Application | Nature, travel, outdoor photography |
| Color Temperature | Not Applicable |
| Construction | Schott Glass |
| Front Filter Thread Size | 52mm |
| Front Lens Cap Size | 52mm |
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Pros
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Comments about B+W 52mm Linear Polarizer Multi-Resistant Coated (MRC) Glass Filter:
Although manual focus cameras can use either linear or circular polarizing filters, I prefer to use linear. It would be cheaper to use circular for both manual and auto-focus cameras, but I think (imagined?)linear performs better.
Best lenses deserve best filters.
Pros
Cons
Best Uses
Comments about B+W 52mm Linear Polarizer Multi-Resistant Coated (MRC) Glass Filter:
I bought this in order to combine it with a circular polarizer I already had and use the combo as a variable nd filter on my TM700 video camera. In order to use the combination for this purpose the linear polarizer needs to be mounted forward of the circular polarizer (if you want autofocus to work). Even though this is a 52mm filter and I had to step up from the 46mm threads on the TM700 it vignetted badly. I attribute the problem to the extra-wide retaining ring inside the front of this filter. I returned it since it did not suit my use. Other than that, it had the usual B+W quality. However, I think anyone considering mounting this on anything wider than a 50mm lens better look out for vignetting. I don't know if the B+H circular polarizer, which most people would buy since it allows autofocus to work properly, uses the same extra-wide retaining ring.
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