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What’s the difference between zoom through and non-zoom through wide angle adapters?
A "zoom through" wide angle adapter is what's technically known as an "Afocal" attachment. “Afocal” means that there is no focal point produced by the adapter, but rather a resizing of the image. “Afocal” adapters work both ways, as a wide angle adapter or as an image magnifier. Believe it or not, the original “afocal” optical device was created by Galileo known as a Galilean telescope. Typically, a zoom through adapter uses two to three lenses in its design.
The Red Eye ™ wide angle adapter works differently in that it does have a focal point BUT it exists in front of the lens (virtual image), not behind the lens (real image) as is the case with a magnifying lens. Since the image exists in front of the Red Eye ™, the only means of seeing it with a camera lens is to use a macro adjustment, auto focus feature to focus or by using short focal length lenses.
Will it work with my DV camera?
Yes... but not all DV cameras can focus in at very close range giving them macro focus ability. To make these cameras work with the Red Eye ™, the operator may need to use the auto focus feature if there is difficulty focusing using the focus ring. In short, if your DV camera is equipped with a macro feature, then the Red Eye ™ should work with your DV camera.
Can I zoom with the Red Eye ™?
It Depends.... If a Red Eye ™ is used on a broadcast television camera lens, the answer is no. The Red Eye ™ was designed as a non-zoom through wide angle adapter. Set the zoom lens to its widest focal length, adjust focus ring to infinity and focus using the macro adjustment.
But ...... pro-consumer DV cameras are the exception.
In most cases, when the camera is in auto focus mode the cameraman will actually be able to zoom with the Red Eye ™. This is a function of the camera more than the Red Eye ™. None the less, you will be able to cover roughly ½ the zoom range using the DV camera’s auto focus feature.
Can I use the Red Eye ™ with a film camera?
Yes, Within Limits...The Red Eye ™ can be used on wide angle or focal lengths shorter than 32mm on 135 mm film lenses. The short focal length of these lenses allows the operator to focus on the virtual image created by the Red Eye ™. We would suggest you test the Red Eye ™ with your film lens.
Can I use the Red Eye ™ with my digital photography camera?
Yes, as long as the digital photography camera is equipped with a macro feature.
Is this type of adapter new?
There's nothing new in the physics, just the technology. This type of adapter has been around for a long time. Many manufacturers produce a similar type of adapter as the Red Eye ™. But none as practical and none designed by a professional cameraman. We’ve taken into consideration the needs of cameramen, size, weight, features and cost. The Red Eye ™ offers technological innovation at an affordable price!.
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Standard Resolution Red Eye