You can see the image upside down but left-right correct with 90 degree while upright with 45 degree lens. Just simply insert the erecting lens into 1.25'' er and enjoy the nature far away: see the birds, deer at the of the , the summit on a mountain or a ship far away on the sea……
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/>Feature:
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Fit for 1.25'' er stand and eyepiece.
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90 degree erecting images upside down but left-right corrected, and 45-degree images uprightly.
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Work well with refractor, Cassegrain and catadioptric telescope but not recommended for reflector telescope.
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With dust cover to keep the lens for crisp viewing and ltime service.
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/>Specification:
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Angle: 45° / 90° (optional)
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Material: + Metal
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Size: 1.25inch
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Weight: 74-88g / 2.6-3.1oz
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Package weight: 92-106g / 3.2-3.7oz
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Package size: 10.5 * 7 * 5cm / 4.1 *2.7 *1.9in
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/>Package list:
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1 * Erecting Lens