New 2″ filter drawer featuring the anti-light-leaking design that can effectively solve the light leaking issue under long exposure.

Two sizes available: M42 and M54.

Double strong magnets adopted for stronger adsorption, easier installation and pulling out.

Lock screw on the side for you to adjust the tension of the holder to eliminate gap. Double insurance.

What’s in the Box?

M42 filter drawer:Filter drawer *1M48-M42F adapter *1

The New ZWO Filter Drawer EOS Lens is independently designed by ZWO and specifically made to match with ASI cooled cameras and EOS lens.

It adds 26.5mm to your image train.

You can freely use the 2” mounted filter with it.

1. It’s compatible with all ASI cooled cameras with 17.5mm back focus length (except ASI GT series).
2. It’s compatible with all ZWO 2” filters, including the duo-band filter, narrowband filter, IR-cut filter, etc.

Below requirements must be met while using the 2” filter from third-party.

With the ability of double strong magnetic adsorption, it is more convenient and much easier to install or pull out the filter.

The thread of the interface is M42*0.75. You can also use the M54M-M42F adapter to connect the filter drawer to a full-frame camera.

Connecting to your Canon EOS Lenses

With ASI1600/294/183/533：

) With ASI6200/2600/071:

ZWO Filter Drawer EOS Mechanical Drawing and Dimensions

What's in the Box

Product Description

New ZWO Filter Drawer Nikon with a thickness of 29mm that can be used for carrying 2” filter and connecting ASI cooled cameras to Nikon Lens.

It is compatible with all ASI cooled cameras with 17.5mm back focus distance (except ASI GT series): 1600/294/183/071/533/2600/6200/2400

It can be used with all ZWO 2” filters, including the duo-band filter, narrowband filter, IR-cut filter, etc.

If you are using 2” filters from a third party, then please make sure they meet the requirements below.

Filters are very easy and convenient to install and pull out with the ability of double strong magnetic adsorption.

The thread of the interface: M42*0.75.

You will need to use an M54M-M42F adapter (0mm) to connect the filer drawer to the full-frame camera.

Connection method:

Connecting to ASI1600/294/183/533：

Connecting to ASI6200/2400/2600/071:

*The M54M-M42F adapter is needed when connected to full frame camera ASI6200/2400.

Mechanical drawing:

ZWO FD Nikon Specifications

70mm diameter*29mm(thickness)

M42*0.75 male (external) thread (camera side)

M48*0.75 female (internal) thread (filter end)

Suitable for 2-inch astronomical filters

What’s in the box?

New ZWO 2″ filter drawer featuring the anti-light-leaking design that can effectively solve the light leaking issue under long exposure.

NEW: Double strong magnets adopted for stronger adsorption, easier installation and filter removal.

Lock screw on the side for you to adjust the tension of the holder to eliminate gap. It's a way to make sure the filter is positioned correctly. 

M54 filter drawer

• Diameter 70mm * Thickness 20mm
• M54 * 0.75 male (external) thread (camera side)
• M48 * 0.75 female (internal) thread (filter end)
• M54 * 0.75 female (internal) thread (telescope side)
• Suitable for 2-inch astronomical filters and full frame cameras, such as ASI2600MC Duo, ASI6200 and ASI2400 series.