409.95

Available From

• AMZ Online
• Hayneedle

Lumicon Giant Easy-Guider for Celestron 11 & 14Lumicon Giant Easy-Guider for Celestron 11 and 14 Schmidt-Cassegrain Telescopes. The all-in-one Lumicon Giant Easy-Guider is one of the most powerful astrophoto/visual accessories on the market today greatly extending the visual and photographic capabilities of your 11 and 14 Celestron Schmidt-Cassegrain telescope. You don't have to buy the focal reducing lens separatelyit's included! Competitors force you to buy their guiders and focal reducing lenses separately costing you more than the all-in-one Lumicon Giant Easy-Guider. The sturdy Giant Easy-Guider incorporates a unique patented radial adjustment for off-axis ease of finding bright photographic field guide-stars. The Lumicon Giant Easy-Guider has both radial and rotational adjustments along with a large off-axis pick-off prism that helps make guide star selection a breeze. Simply thread the provided attachment ring onto your scope slide the Giant Easy-Guider over the provided attachment ring and tighten the three brass thumbscrews on the guider bodyand you're ready to go. The multi-coated 80mm focal reducing lens yields 100% edge-to-edge field illumination plus high-contrast pinpoint star images across a 35mm film frame. In addition not only is the Lumicon Giant Easy-Guider a superb off-axis guider it is also an excellent visual focal reducing lens system. With the 80mm lens in the standard position behind the off-axis prism (on the camera side of the guider) its photographic speed is about f/6.5. The multi-coated lens can also be moved to a position ahead of the prism (on the telescope side of the guider) yielding an approximate f/5 ratio. Exposure durations with the Lumicon Giant Easy-Guider are thus 2 to 4 times shorter and the visual field-of-view for observing is significantly increased. The filter compartment is located behind the pick-off prism on the camera side of the Giant Easy-Guider allowing you to guide with UNFILTERED starlight; only the camera's starlight is filtereda real bonus! All other off-axis guiders on the market have pick-off prisms and focal reducing lenses a fraction the size of the Lumicon Giant Easy-Guider's and they require that the focal reducing lens AND filter be mounted AHEAD of the guider. This greatly dims fainter guide-stars making guiding on them all but impossible.

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