[Bundle] Cat 91 WIFD & ZWO AM3 Full Package
3 998,00 €Complete bundle: William Optics Cat 91 WIFD (91mm f/5.9 Petzval astrograph) paired with ZWO AM3 harmonic drive mount. Ready for deep-sky imaging out of the box.
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![[Bundle] Cat 91 WIFD & ZWO AM3 Full Package](https://www.nordicastro.com/wp-content/uploads/2026/03/Cat91_ZWOtripod-1-300x300.jpg)
Complete bundle: William Optics Cat 91 WIFD (91mm f/5.9 Petzval astrograph) paired with ZWO AM3 harmonic drive mount. Ready for deep-sky imaging out of the box.
![[Bundle] Cat 91 WIFD & ZWO AM5N Full Package](https://www.nordicastro.com/wp-content/uploads/2026/03/PM90_UC91-1-300x300.jpg)
Complete bundle: William Optics Cat 91 WIFD (91mm f/5.9 Petzval astrograph) paired with ZWO AM5N harmonic drive mount for deep-sky astrophotography.
![[Bundle] RedCat 51 WIFD & ZWO AM3 Full Package](https://www.nordicastro.com/wp-content/uploads/2026/03/Redcat-51-bundle-1_08d5968d-e53a-4df8-8768-a6c011b2b49d-300x300.jpg)
Complete bundle: William Optics RedCat 51 WIFD (51mm f/4.9 Petzval astrograph) with ZWO AM3 mount. Ultra-compact deep-sky imaging package.
![[Bundle] RedCat 71 WIFD & ZWO AM3 Full Package](https://www.nordicastro.com/wp-content/uploads/2026/03/Redcat-71-bundle-1_80e24181-77aa-420c-bb6f-780c659eb9ad-300x300.jpg)
Complete bundle: William Optics RedCat 71 WIFD (71mm f/4.9 Petzval astrograph) with ZWO AM3 harmonic drive mount. Flat-field widefield imaging ready.
![[Bundle] Ultra-Cat 108 & ZWO AM5N Full Package](https://www.nordicastro.com/wp-content/uploads/2026/03/PM90_UC108-1-300x300.jpg)
Premium bundle: William Optics Ultra-Cat 108mm Petzval astrograph with ZWO AM5N harmonic drive mount. Serious aperture for capturing faint deep-sky targets.

1.25″ Metal Bahtinov mask for Seestar S30
Thread 28.5mm*0.6mm, can be mounted to 1.25″ filter adapter (TA621)
Dew shield and filter adapter sold separately.

ZWO 1.25″ IR UV CUT filter is suitable for color camera with AR protect window. The ZWO IR-Cut Filter blocks infrared light from reaching the sensor of your CCD or CMOS camera or your expensive H-alph

ZWO 1/3″ 2.1mm 150 degree lens Technical Parameter: Format support: 1/3″ sensor Focal length: 2.1mm Wide angel: 150 degree Compatible with the following camera models: ASI120mm, ASI120mc, ASI120mm-s,

ZWO 1/3″ 2.5mm 170 degree lens Technical Parameter: Format support: 1/3″ sensor Focal length: 2.5mm Wide angel: 170 degree Compatible with the following camera models: ASI178MM, ASI178MC, ASI385MC.

Standard AC/DC adapter to be used with ASI-cooled cameras and ASIAIR Plus (and PRo). The handy adapter supplies constant 12-volt power at 5A. European standard Can be used in France, Itatly, the Nethe

Raises the ZWO AM5 mount by 160 mm, providing extra clearance to prevent telescope-tripod collisions near the meridian and zenith.

2″ Filter Adapter For Seestar S50
This can be plugged into front of Seestar S50 so you are able to attach filters.

Please notice: This is a new version, which is not compatible with the older M42 filter drawer. 2″ Filter holder for ZWO M42/M54 Filter Drawer.

2″ Metal Bahtinov mask for Seestar S50
Thread M48*0.75mm, can be mounted to dew shield (TA449) or 2inch filter adapter (TA441), and then plug into Seestar S50.
Dew shield and filter adapter

ZWO 2″ UV and infrared blocking filter The filter blocks out ultraviolet and infrared light. This will improve the image on many telescopes. Sensors from webcams or CCD cameras are sensitive to UV and

The filter adapter ring that allows you to use the filter with a smaller filter thread size. No need for buying another set of filter drawers, the 2”-1.25” filter adapter ring will help you directly f

ZWO 30mm f/5 Mini guidescope Introducing the new ZWO 30mm f/5 Mini guidescope, the next version of the popular ZWO 30mm f/4 guidescope. This new version offers a 150mm focal length at f/5 compared to

An affordable LRGB filter set by ZWO, 36mm unmounted filters. LRGB filters allow you to take true color photos with a monochrome camera. We recommend using this filter set with the ZWO EFW M

ZWO Holder Ring for ZWO ASI PRO COOLED CAMERAS with appr 78mm diameter. Currently compatible with ASI1600 Pro, ASI183 Pro , ASI294 Pro, ASI533 Pro, ASI178 Cooled cameras, ASI174 Cooled cameras and ASI


ZWO Atmospheric Dispersion Corrector is used to reduce the effect of atmospheric dispersion on lunar and planetary images.

ZWO has developed the revolutionary AM3 equatorial mount, which eliminates the need for counterweights. Weighing only 4.1kg, the AM3 boasts a substantial load capacity ranging from 8kg to 13kg. ZWO pr

The best selling astronomical mount just got better! Introducing the AM5N: New features: • Built-in Bluetooth • New USB-C port and 12v DC output on the saddle – forget the messy cabling! • Improved ba

The best selling astronomical mount just got better! Introducing the AM5N: New features: • Built-in Bluetooth • New USB-C port and 12v DC output on the saddle – forget the messy cabling! • Improved ba