Meade Variable Projection Tele-Extender
This Variable Projection Tele-Extender from Meade enables high magnification eyepiece projection photography using your camera body, a compatible t-ring, a reasonably sized 1.25" eyepiece, and your Schmidt-Cassegrain or Maksutov-Cassegrain telescope. The telescope side of the Tele-Extender threads onto a standard 1.25 " eyepiece holder, aka visual back, which normally comes with your SCT to allow attachment of a diagonal. The other side of the variable tele-extender threads onto a standard M42 camera t-ring that is fitted to your SLR or DSLR camera.
The "eyepiece projection" takes place when you slide a 1.25" eyepiece inside the barrel of the Meade Tele-Extender. You can see now why I said "reasonably sized" earlier on, since the barrel will not accept eyepieces of larger diameters. Many amateur astronomers use a 1.25" Orthoscopic eyepiece, or a Plossl for this purpose, since the design is fairly svelte. You may find that the rubber eyecup must be removed, or even the rubber grip.
The beauty of a Variable Projection Tele-Extender is its ability to adjust in length. This will change the magnification you end up with for a given eyepiece, since lenghtening or shortening the tele-extender changes the focal length.
You can also use this Meade Tele-Extender for prime focus photography. Just adjust the length accordingly and then photograph through the tele-extender without an eyepiece installed.
Dimensions & Specifications
- Product Weight: 0.55 lbs
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Default manufacturer warranty.
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