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Description du produit
ZWO FF70 APO Flat-Field Apochromatic Refractor
Lightweight & Compact · Designed for Both Visual Observation and Astrophotography
*Focus can be achieved within a back focus range of 32.5–82.5 mm, measured from the M54–M48 interface shoulder.
Main Features
Flexible Connectivity for Multiple Configurations
Uniqueness
1. Lightweight & Compact
The ZWO FF70 APO features a 70 mm aperture and 490 mm focal length (f/7.0), offering an excellent balance between portability and performance.
The optical tube weighs just 2.5 kg, with a total system weight of 3 kg including mounting rings and dovetail plate.
2. Four-Element Optical Design
The FF70 APO features a four-element, fully air-spaced apochromatic optical design. All four elements work together to deliver a flat imaging field without the need for an additional field flattener.
One ED (extra-low dispersion) glass element is incorporated to effectively reduce chromatic aberration, resulting in improved color correction and image clarity.
3. 44 mm Image Circle — Full-Frame Support
With a 44 mm image circle, the FF70 APO fully supports full-frame sensors and a wide range of imaging setups.
It delivers sharp star fields with excellent edge-to-edge performance, ensuring consistent image quality across the entire frame.
4. Native Flat-Field Design
The FF70 APO features a native flat-field optical design, eliminating the need for an additional field flattener.
No complex back focus calculations or spacing adjustments are required—simply attach your imaging setup and start capturing once focus is achieved.
Convenient Design
5. Coarse & fine focus adjustment
Equipped with a rigid 2.4-inch rack-and-pinion focuser, the FF70 APO offers precise control with a 1:10 coarse & fine focus adjustment mechanism.
A built-in 360° rotator at the rear allows for smooth and accurate camera angle adjustments.
6. Retractable Dew Shield
The FF70 APO features a retractable dew shield, reducing overall length for improved portability.
Precision CNC machining and a high-quality painted finish, combined with an internal anti-reflection coating, help minimize stray light and enhance image contrast.
7. Quick-Release Mounting Rings
The mounting rings are detachable, allowing for quick and easy setup or teardown of the telescope.
8. Photography Extension Tube
The FF70 APO includes a photography extension tube with a 2-inch filter thread, along with rear adapters in M48×0.75 and M54×0.75 standards.
This allows for easy integration with a wide range of imaging accessories.
Performance
Optical Layout
Star Field Map
Product Diagram
Specifications
What's in the box?
FF Series Telescope Comparison
What can I see with a ZWO FF 70 APO Flat Field Apochromatic Refractor Telescope | ZWO FF70 APO?
Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.
Jupiter with
25mm Eyepiece - 20x Magnification
(Sold Separately)
Jupiter with
10mm Eyepiece - 49x Magnification
Sold Separately
Jupiter with
5mm Eyepiece - 98x Magnification
Sold Separately
Moon with 25mm Eyepiece
20x Magnification
(Sold Separately)
Moon with 10mm Eyepiece
49x Magnification
Sold Separately
Moon with 5mm Eyepiece
98x Magnification
Sold Separately
Andromeda with 36mm Eyepiece
14x Magnification
Sold Separately
Andromeda with 25mm Eyepiece
20x Magnification
(Sold Separately)
Andromeda with 10mm Eyepiece
49x Magnification
Sold Separately
