These Propeller Blades for Astro from Freefly can be used to replace broken blades or add to your kit in case an accident happens on location. The propellers come as a balanced pair, one counterclockwise and one clockwise, and are pre-mounted onto hubs for easier installation. They measure 21.8" in diameter and come included with the necessary mounting hardware.

For Freefly Astro Drones    1 x Counterclockwise Propeller    1 x Clockwise Propeller    Pre-Mounted on Connection Hubs    Mounting Hardware is Included

Related Questions and Answers

Q: 1. How precise is this tracker? Can longer focal lengths like 1000mm be used with this tracker?

A: Total load capacity is 15 lbs which should handle a 1000 mm lens and a camera body with no problems.

Q: 2. Can one mount a camera to this telescope with a t adapter?

A: Yes, you can mount a DSLR camera with a Universal Barlow and T-Adapter, and specific camera T-Ring.

Q: 3. Is this item good for deep space photography?

A: The Benro Polaris Astro Edition 3-Axis Smart Tripod Head has a star tracker, so it's good for deep space photography.

Q: 4. Does it work with Z 6_2/ Z 7_2? What is the wattage of the battery?

A: Yes, the Benro Polaris Astro Edition 3-Axis Smart Tripod Head is compatible with the Nikon Z6 II and Z7 II. Benro does not list the wattage or specs on the internal battery.

Q: 5. Does the Benro Polaris Astro Edition handle a small 500mm telescope (withing weight capacity)?

A: As long as the telescope is centered on the Benro Polaris Astro Edition 3-Axis Smart Tripod Head it should be fine as long as it does not go over 15 lb.

Q: 6. Can a Cell Phone be hooked up for pictures?

A: Yes a Smartphone can be attached to this Scope with an Adapter.

Q: 7. a) Can we use a power adapter (dc/AC/Car) with this if battery runs out ? If yes, which model ?

A: Yes, there are a couple power options for this. One can use the Celestron AC to DC Power Adapter, BH #CEACDCPA (https://bhpho.to/3yhjx6R). One can also use the Celestron Car Battery Adapter (25'/7.7 m), BH #CECBAU2000 (https://bhpho.to/3vNHf98).

Q: 8. In the absence of battery or power adapter, can this telescope still be adjusted manually if required ?

A: No, it is not possible to fully adjust the Celestron Astro Fi 102mm f/13 Maksutov-Cassegrain Telescope without power. One needs power for the motorized alt-az mount to adjust the azimuth axis.

Q: 9. Will the image on this telescope be inverted? If yes, can this be fixed?

A: Yes, the image will be inverted and can be viewed upright with the addition of this accessory: BH# VIEIA

Q: 10. Where I view stars there is no internet or cellular service. Can this telescope still track without an internet connection?

A: It utilizes an integrated antenna to emit a local Wi-Fi signal so you can control the mount via direct wireless connection with Android and iOS smartphones and tablets running the free SkyPortal app. Tracking Rates: Sidereal, solar, and lunar; automatic tracking for near- and deep-sky objects