ZW Optical

Cooled USB 3.0 medium format monochrome camera with powerful 44x33 mm sensor for ultimate class astrophotography

• Powerful, regulated Peltier cooling up to 35 °C below ambient temperature
• Medium format sensor Sony IMX461 (44x33 mm) with 100 megapixels
• High resolution due to 3.76 µm pixels
• Peak quantum efficiency 91%!
• 16 bit ADC - dynamic range like a CCD sensor for more gradations
• No more disturbing amplifier glow (amp glow)
• Anti-Dew heating already built in
• Working distance only 22.5 mm from M68 female thread
• With only 910 grams a lightweight for its size - does not stress the focuser much
• USB 3.0 for fast data transfer
• DDR3 buffer for stable data transfer

A powerful color camera with Peltier cooling for a very competitive price - the CMOS camera can be used in any field of astrophotography.

• Sensor: 1/1.2" CMOS IMX585 with 8.29 megapixel resolution
• Sensor size: 6.26 mm x 11.13 mm - Diagonal: 12.84 mm
• Very high resolution: 3840 x 2160 pixels with 2.9 µm size
• Approx. 91 % QE - high sensitivity for short exposure times
• Powerful pelier cooling up to 35 °C below ambient temperature
• High frame rate of 47 fps also suitable for EAA
• Full well capacity 40 ke-
• Starvis 2 technology with back illumination
• USB 3.0 for fast image download
• DDR Memory Buffer 512MB
• 12 bit ADC
• No amplifier glow (amp glow)
• Extensive scope of delivery

Cooled USB 3.0 astro camera with Sony IMX571 color sensor AND guiding sensor in one housing

• Imaging and guiding with only one telescope - without off-axis guider - due to the integrated guiding sensor
• Highly sensitive guiding sensor
• Powerful Peltier cooling
• Sony IMX571 APS-C format color sensor - back-illuminated
• High resolution due to 3.76 µm pixels
• 16 bit ADC - dynamic range like a CCD sensor
• Anti-dew heater already installed
• No amplifier glow
• Telescope side connection: M54x0.75 female thread
• Working distance only 17.5 mm from the internal thread
• Telescope and mount in the third picture are for illustration only and not included.

Cooled astro camera with Sony IMX571 color sensor, guiding sensor and ASIAir in one housing

• Imaging and guiding with only one telescope - without off-axis guider - due to the integrated, highly sensitive guiding sensor
• ASIAir Mini controller integrated
• Powerful Peltier cooling
• Sony IMX571 APS-C format color sensor - back-illuminated
• High resolution due to 3.76 µm pixels
• 16 bit ADC - dynamic range like a CCD sensor
• Anti-dew heater already installed
• No amplifier glow
• Guiding sensor 7.68 mm x 4.32 mm and 4 µm pixels
• Telescope side connection: M54x0.75 female thread
• Working distance only 17.5 mm from the internal thread
• Hub with 4x USB 2.0 type A ports
• 2x 5.5/2.1 mm outputs (3rd socket as input)
• USB Type C port for data transfer to the computer
• Wi-Fi
• Bluetooth (only connection to AM3/AM5)

Cooled USB 3.0 astro camera with Sony IMX571 monochrome sensor AND guiding sensor in one housing

• Imaging and guiding with only one telescope - without off-axis guider - due to the integrated guiding sensor
• Highly sensitive guiding sensor
• Powerful Peltier cooling
• Sony IMX571 APS-C format monochrome sensor - back-illuminated
• High resolution due to 3.76 µm pixels
• 16 bit ADC - dynamic range like a CCD sensor
• Anti-dew heater already installed
• No amplifier glow
• Telescope side connection: M54x0.75 female thread
• Working distance only 17.5 mm from the internal thread
• Telescope and mount in the third picture are for illustration only and not included.

Cooled USB 3.0 APS-C format color astro camera with powerful 23.5 x 15.7 mm back-illuminated CMOS sensor with 16 bit for astrophotography

• Powerful Peltier cooling
• Sony IMX571 APS-C format color sensor - back-illuminated
• High resolution due to 3.76 µm pixels
• 16 bit ADC - dynamic range like a CCD sensor
• Anti-dew heater already installed
• No amplifier glow
• Telescope side connection: M42x0.75 female thread
• Working distance only 17.5 mm from the internal thread

The new filter drawer for Nikon F lenses was developed by ZWO especially for cooled ASI cameras.

•  Lens side connector: Nikon F mount
•  Connection camera side: T2 external thread - can be extended to M54x0.75 thread
•  Drawer length 29 mm without T2 external thread
•  The holder snaps in precisely with 2 magnets
•  The 2" filter can be easily screwed into the holder
•  The article includes the filter drawer, a filter holder and an adapter ring from T2 to M54
•  Important for the purchase of further filter holders: Only the linked filter holder fits, older versions are not compatible.

The USB-C equipped focus motor from ZWO allows precise motorized focusing of your telescope for astrophotography and observation

• USB-C port for data transfer and power supply
• Can easily move up to 5 kg
• ASCOM, ASIAIR and INDI are supported
• The ZWO EAF works with all common astrophotography programs and the ASIAir
• Can be controlled via smartphone or tablet
• With versatile connection plate for all common focusers, e.g. from TS-Optics, Astro Tech, Feather Touch ...
• Standard version with focus motor, connection rail and USB-C cable etc.
• Handbox and temperature sensor available separately (included in the scope of delivery of the EAF Pro, see "Similar products")

Equipped with USB-C, Bluetooth and rechargeable battery, the focus motor from ZWO allows precise motorized focusing of your telescope for astrophotography and observation.

• USB-C connection for data transfer and power supply
• Can be controlled via Bluetooth
• Integrated rechargeable battery with up to one week of operating time
• Can easily move up to 5 kg
• ASCOM, ASIAIR and INDI are supported
• The ZWO EAF works with all common astrophotography programs and the ASIAir
• Can be controlled via smartphone or tablet
• With versatile connection plate for all common focusers, e.g. from TS-Optics, Astro Tech, Feather Touch ...
• On/off switch and focus buttons

Temperature sensor allows accurate control of ambient temperature to maintain focus position during temperature changes

• The sensor is connected directly to the motor focus.
• The outdoor temperature is measured and can automatically compensate the focus drift by changing the temperature via the corresponding software.