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Canon T90 Camera Instruction Manual
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Rolleiflex 2B & 4B Film Plate Holders * For Rolleiflex/Rolleicord
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Subtotal: £44.98
Baader Mk III Hyperion Zoom 8-24mm Astronomical Eyepiece
2454824
Complete with box, pouch, caps.
The Baader Mark III Hyperion Zoom 8-24mm (Manufacturer Part Number: 2454824) is a highly versatile, premium astronomical eyepiece that provides the equivalent of five separate fixed-focal-length eyepieces in one body. It eliminates the need to constantly
The Baader Mark III Hyperion Zoom 8-24mm eyepiece features an excellent modular mechanical design, making it highly compatible with standard telescopes, select spotting scopes, astronomical cameras, and specialized optical accessories.
Telescope Compatibility
1.25″ and 2″ Focusers: The eyepiece includes interchangeable dual barrels. It works natively with any standard 1.25″ or 2″ telescope focuser or star diagonal across refractors, Schmidt-Cassegrains (SCTs), Maksutovs, and Newtonians/Dobsonians.Filter Threading: Both nosepieces are threaded internally to accept standard astronomy filters (1.25″ and 2″ respectively).
Camera & Astrophotography Compatibility (M43 Thread)
Direct Eyepiece Projection: By removing the adjustable rubber eyecup on the top lens, a male M43 photo-video thread is revealed. DSLR and Mirrorless Cameras: Using the Baader M43 to T-2 Adapter (#2958080), you can adapt the eyepiece to a standard male T-2 thread (M42 × 0.75). From there, you can connect a standard camera-specific T-ring to attach your DSLR or mirrorless body for rigid, secure projection astrophotography.
Spotting Scope Compatibility
The telescope-side of the main body (with nosepieces removed) reveals internal threads allowing direct attachment to terrestrial spotting scopes:Zeiss Thread (M45): Connects to premium spotting scopes like the Zeiss Diascope.Celestron/Synta Thread (M36.4 or 1 3/8″): Attaches directly to Celestron Ultima spotting scope bodies.Note on Back-Focus: Because the Mark III has a slightly shorter back-focus configuration than the newer Mark IV, some 1.25″ straight-through spotting scopes may struggle to reach focus at infinity without specific extension adapters.
Key Features & Technical Specifications
Focal Lengths: Click-stops at 8, 12, 16, 20, and 24mm, with the ability to smoothly zoom between settings.
Apparent Field of View (AFOV): Ranges from 50° at 24mm to a wide 68° at 8mm.
Optical Design: Features a 7-element, 4-group lens arrangement with Baader’s Phantom Group multi-coatings for outstanding contrast and color fidelity.
Parfocal: Requires little to no refocusing as you zoom through the focal range.
Dual Barrel: Comes equipped with both 1.25″ and 2″ nosepieces, both fully threaded for standard astronomical filters.
Eye Relief: A comfortable 12 to 15mm, accommodating for stargazers who wear eyeglasses.
The eyepiece is in mint cosmetic condition, please see photos provided.
Optically clean & clear.
Fully Working.
Any questions, please ask.
International buyers are welcome.
If you have any problems with the delivery or the item, please let me know so I can resolve it!
All deliveries will be Tracked and Signed-For, I also pack all items to high standards.
Please buy with confidence and check out my other items.
Thanks for looking.
*****
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