Offering ready access to the filters needed for monochrome astrophotography, the ZWO Electronic Filter Wheel Mini 5 Positions 1.25" 31mmfrom ZWO Electronic Filter Wheel Mini 5 Positions 1.25" 31mmis lightweight and simple to operate. The aluminum-housed EFW employs a stepper motor from Nippon Pulse Motors of Japan and can be rotated clockwise and counterclockwise. The wheel consists of five positions for 1.25" mounted or 31mm unmounted filters and comes with the necessary adapters for mounting to a telescope back or a camera. Power comes from the supplied USB cable plugged into a computer, USB hub, or camera with power outputs. With the ASCOM driver installed, the EFW can be operated through many astrophotography programs.

Useful for Observation and Astro-Imaging    Runs via Camera USB Power    Can Be Rotated in Either Direction    NPM Stepper Motor    Filters Not Included

Related Questions and Answers

Q: 1. Could you clarify, please, is internet access mandatory for operation of the telescope?

A: The ZWO Seestar S50 50mm f/5 All-in-One Smart Telescope requires the use of the app designed for this item, so Internet access would be required.

Q: 2. Do I need WiFi and Bluetooth connections to operate my SeeStar S50? Is Bluetooth alone adequate?

A: Both wi-fi and Blue Tooth are needed to use the Zwo Seestar S50. Please ensure your phone or tablet has access to the Internet(mobile data or Wi-Fi).

Q: 3. Will this filter work with the Celestron Regal M2 80ED Sporting Scope? Will this filter bring any improvement?

A: The Celestron Oxygen III Narrowband Nebula Filter (1.25") BH #CEO3F • MFR #93623 will work on the Celestron Regal M2 80ED Spotting Scope with 20-60x Eyepiece (Angled Viewing) BH #CERM280EDSS • MFR #52305 The 1.25" Oxygen III Narrowband Filter from Celestron yields high transmissivity by blocking unwanted longer wavelengths of light, giving higher contrast to your observation and photographic experiences. By isolating just the two 496 & 501nm doubly-ionized oxygen lines emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast between the black sky background and the faint photons of OIII light needed for detailed views of the Veil, Ring, Dumbbell, Crescent and Orion nebulae among other objects.

Q: 4. Is this a new lens? It says 'new item' in the description. Whats the difference between this lens and previous FA 31mm f/1.8 lenses

A: This is new release from Pentax: it is optically the same as the previous 31mm lens, but with a newly applied HD coating to produce clear, crisp images even under demanding conditions, and a completely round-shaped diaphragm, as well as an SP coating to the front optical element to improve the water/grease-repellent and scratch-resistant performance.

Q: 5. Does the Seestar track comets?

A: The ZWO Seestar S50 50mm f/5 All-in-One Smart Telescope (BH # ZWSSS50 ) can spot a comet, but it cannot track it.

Q: 6. I recently purchased a B+W F-Pro Kaesemann circular MRC polarizer filter for the FA 31. I have read where some filters/brands, when screwed down on the FA 31, contact the front lens element...not good. Will it be safe for me to tighten this filter onto my FA 31? Thanks for any advice you can give.

A: You will be safe to use the 58mm B+W XS-Pro Kaesemann Circular MRC Polarizer on the FA 31.

Q: 7. Does this have any dust or moisture protection? Will it be ok in mild dewey weather or dusty desert atmosphers?

A: The ZWO Seestar S50 50mm f/5 All-in-One Smart Telescope is not moisture resistant but it has a built in dew heater to remove dew build up which often occurs at night. It is not sealed against dust.

Q: 8. this might sound crazy but could you theoretically use this for zoom?

A: Yes this geared focus wheel could be used to manually dial in a zoom on an appropriately geared lens, or on some photography lens with geared adapters, such as the Wide Open Camera Universal Lens Gear: WILU; https://www.bhphotovideo.com/c/product/839296-REG/Lens_Gear_605859_LENSGEAR_UNIVERSAL_LENS.html

Q: 9. What's the storage capacity of the device? Can it save 4 hours solar eclipse time lapse pics?

A: The ZWO Seestar S50 50mm f/5 All-in-One Smart Telescope has 64GB of internal memory. Since the photos are only 2mp, it will easily store photos taken during an eclipse.

Q: 10. Will this work for Rokinon lenses

A: Yes, the RFD15BM will work with Rokinon lenses as long as they have teeth on the focus barrel of the lens for the follow focus gear to engage with.