Posted on November 6, 2013 By Art Feierman
Using an anamorphic lens lets you use a 2.35:1 aspect ratio screen, the same ratio as most movies (which we will refer to as Cinemascope movies) use. The combination of screen and lens means no letterboxing at the top and bottom when watching most movies.
By “anamorphic lens supprt” we mean that the projector has the built in (internal) stretch scaling to properly resize the image to work with an anamorphic lens. Any projector can work with an anamorphic lens, even without this, but it would require an outboard processor to handle the correct scaling. Consider those outboard processors to start at around $800, with products like the recently reviewed DVDO Edge.
All of the projectors in this report have internal support for an anamorphic lens, except the following:
Optoma HD20, BenQ W1200, Vivitek H1080FD, Epson Home Cinema 8350, 3010, 5010, , Pro Cinema 9100, Sony VPL-HW15
Emulating an Anamorphic Lens Setup
Panasonic was the first company to provide an anamorphic lens emulation solution. Simply stated, they allow you to change the zoom position (it is motorized) when working with a 2.35:1 screen. In the wider zoom position, a Cinemascope movie just fills the screen. When you need to watch 16:9 or 4:3, you zoom out, so that those sizes do not overshoot the top and bottom of the screen.
What makes it work, is that Panasonic lets you save the lens positions, so that it is easy to toggle back and forth – as easy as controlling a real anamorphic lens/sled.
Since then, in time for this report, in addition to the PT-AE7000, both JVC projectors and the Sony VPL-VW95ES also offer one Lens Memory variation or another.
It’s not a perfect solution, but it’s free, and that compares well to the typical $4000+ for a lens/sled combination from a major manufacturer. The limits – the reasons it isn’t quite as good, are two fold. First, when filling the screen with Cinemascope content, the letterboxes are still there, but they exist above the top of your screen and below the bottom. If your walls are light colored, you will still see them, but if your walls are dark (or you have dark draping around the screen), the letterboxes will be invisible.
The second downside relates to brightness. the various manufacturers’ emulation still produces those letterboxes, so you are only using about 80% of the pixels for the movie image. With a real setup, you use 100%. Thus, you get about a 25% brighter image with a real lens/sled combo (minus some small loss for the extra optics)
Lastly, The Panasonic has a 2:1 zoom lens ratio, as do the JVCs. That’s about as good as it gets. However to support the two lens positions, you give up about half of your placement flexibility, reducing the working range. You won’t be able to place the projector as far back. As a result, in many rooms you will no longer be able to rear shelf mount. The Sony VPL-VW95ES, with its 1.6:1 has a much narrower placement range, if using Lens Memory. For your consideration given a 100″ screen, the front to back range is probably less than 2 feet for a 100″ screen, that’s vs. about five feet of range with a 2:1 zoom. Something to keep an eye on.
By the way, any projector with at least a 1.5:1 zoom lens can do the same thing, but since projectors are typically mounted where its inconvenient to reach them, it’s not practical for projectors without motorized zoom and focus. (Who wants to climb a ladder every time you want to switch from a movie to HDTV or back?) If the projector has enough range, and motorized zoom and focus, such as the Sanyo PLV-Z700 and PLV-Z3000, the JVC RS10 and RS20 to name a few, you can do the same thing as the Panasonic does.
The difference is you will be using your remote to make the zoom changes, and it will take a minute to get the size just right, and possibly refocus. By comparison, the Panasonic, JVCs and the Sony do it at the touch of a button, setting the zoom and refocusing. Nice touch! Keep in mind that adjusting the zoom repeatedly on any projector is likely to throw the focus off, at least a little. That’s why Panasonic’s Lens Memory, uses it’s auto focus technology to refocus after each time you change the zoom setting with Lens Memory.
Below you will find tables linking to the individual tour pages of each projector considered in this year’s report. Here, you will find more in-depth information about each projector’s hardware.
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