Product Description

The Tiffen 77CP 77MM Circular Polarizer is a sophisticated accessory that selects which light rays enter your camera lens. Once reflected, light rays become polarized, often with undesirable effects. Polarizers remove unwanted reflections from non-metallic surfaces such as water or glass, and also saturate colors, improving contrast.

Product Details

• Brand: Tiffen
• Model: 77CP
• Dimensions: .35 pounds

Features

• Essential for outdoor photography
• Deepens intensity of blue skies
• Reduces or eliminates glare
• 77mm diameter
• Circular construction

Amazon.com Product Description
A circular polarizer has the same effect as a polarizer and is used on cameras with beam- splitting metering systems commonly found on autofocus SLRs.

Customer Reviews

The filter every autofocus camera user NEEDS!
If you have an autofocus camera and shoot photos outdoors, this filter needs to be attached to the end of your lens. (If you have a manual focus camera you need a linear polarizer) The polarizer darkens blue skies (if the sky is light blue, you get deep, rich blue) and eleminates glare and reflection in glass and water.

With this filter, you can take a photo of someone standing in front of a window and not have the glare or reflection of the window shooting back into the lens. It also helps you shoot indoors at an aquarium (you can take crystal-clear photos of the killer whales and dolphins without glare from the glass).

This filter can't take the photos for you, but it can make your photos look much more professional. The only thing to be careful of is the fact that the polarizer makes the image a little darker, so if you are shooting in dark light, you need a flash or a slower shutter speed.

Works, but causes flare
This item is either not coated or has a single coating and thus any time sun hits the filter, it produces flare in the picture. Furthermore, after doing more research it turns out that these uncoated or single coated filters can cause up to 9% light loss vs multi-coated filters like Hoya S-HMC or B+W MRC filters. As for polarizer effect itself, I think it's amazing and you owe it to yourself to at least try it on a nice sunny day. (the sky and foliage will look completely different and alive)

Excellent Quality
The Tiffen circular polarizing filter does exactly what it's supposed to do, and it does it well. The threading fits on my Nikkor lenses perfectly, screws on and stays put. The rotating ring on the filter is not too tight, nor too loose and rotates very smoothly, staying put where it's set at. When comparing identical images taken with and without the filter, there are no noticable distortions or color shifts present.