Product Description

The 812 warming filter, a Tiffen exclusive, improves skintones and is ideal for portraits taken on a cloudy day or outdoor in shade on a sunny day. The 812 filter absorbs blue cast often caused by electronic flash, and adds warmth to pale washed-out flesh tones.

Product Details

• Brand: Tiffen
• Model: 58812
• Dimensions: .80" h x 3.40" w x 4.20" l, .20 pounds

Features

• Absorbs blue cast often caused by electronic flash
• Warmer results than Sky 1-A filter
• Improves color of all skin tones
• 58mm diameter
• Exclusive Tiffen filter

Amazon.com Product Description
Ideal for portraits taken on a cloudy day or outdoors in the shade on a sunny day.

Customer Reviews

So-so
The only thing this filter is good for is protecting the lens from physical damage (dust, prints, scratches, water spots, etc.) Some say that cheap Tiffen filters degrade the quality of the images, but I haven't noticed any degradation. If you want a filter that will actually improve your images, do not get this filter, go with a circular polarizer or a neutral density filter instead. It's better to crack this filter than crack your lens.

Simple UV Protector
It's just a protection filter. It's does a good work by day though it can create weird flares by night if you are trying to picture below a bright light or if there's one pointing towards you.
It also has a weird glass finish in the edges that make it look cheap (even though it is)

can't beat it for the price
I basically use these more to protect the lens and have never really taken enough photographs without one to know if they make a difference. These can be considered as very inexpensively priced insurance items for your much more expensive lens. I have one of these on every lens I own.