ZWO Filter Drawer for Nikon Lenses
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ZWO Filter Drawer for Nikon LensesZWO Filter Drawer for Nikon LensesZWO Filter Drawer for Nikon Lenses

ZWO Filter Drawer for Nikon Lenses

Now: £91.00 (Save:  £10.00) Was:  £101.00
  (2 Reviews)
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About this product

Model:  zwo_nikon_fd
Part Number:  ZWO-FD-NIKON

New Filter Drawer for Nikon Lenses and ASI Cooled Cameras

Designed by ZWO, this handy filter drawer makes it easy to use 2" filters between a Nikon lens and ZWO cooled camera.

Compatible with all ZWO cooled cameras with 17.5mm back focus (excludes GT series).

Accepts all ZWO 2" filters and most other filters within the sizes shown below:

Magnetised for a strong, secure hold of the filter drawer and easy filter swaps.

M42 / T threaded interface to the camera but includes an M54M to M42F adapter to use with full-frame cameras.

Connection Method

 

Connecting to ASI1600/294/183/533: 

With ASI6200/2600/071:

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

Mechanical Drawing

  • 70mm diameter x 29mm (thickness)
  • M42 x 0.75 male (external) thread (camera side)
  • M48 x 0.75 female (internal) thread (filter end)
  • Suitable for 2-inch astronomical filters

 

What's in the box

  • Filter Drawer Holder
  • 2" Filter Drawer
  • M54M to M42F Adapter

Customer reviews

Average Rating (2 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
Basically does what it says
05 May 2023  | 

This just works. I have an ASI 533MM pro and a Samyang 135mm lens (Nikon, as I have a Nikon DSLR) and everything fit together fine. I've tried with a couple of filters and have had no issues achieving focus or with tilt.

4 stars rather than 5 stars because when I put everything together so that my camera is "the right way up" the filter draw points at a funny angle (maybe 45deg) towards the ground. That's very annoying. Luckily I can just rotate my camera/lens 90deg and have it mostly pointing up (there is no lock on the filter drawer so I want it mostly pointing up to avoid some horrible filter falling on floor situation), but if you had a different camera maybe this is more annoying. There's no obvious way to correct this.


Rating (max 5):  
Good for telephoto Nikon F mount lenses with an aperture ring
11 February 2021  | 

This arrived recently from FLO and Ive had a few days to test it. It is very solidly built and holds the lens securely. The M42 thread camera side works well with astrocams with a 17.5mm sensor depth and a 42mm thread and there is an adapter for larger. I did some daytime tests with my Nikon 180mm lens and an Altair Hypercam 26c that like some of the ZWO cams has that 17.5mm internal distance from the thread base to the sensor. In this case the adapter is perfectly calibrated and infinity focus is in the right place.

However, when a filter is inserted matters change. With the unit by itself you need to focus short of infinity as the adapter itself offers no adjustment to compensate for the thickness of the filter glass. On telephoto lenses this is likely to not be a problem. If you want to go to shorter focal lengths, especially for wide angle Milky Way shots, expect to have to add spacers up to 1/3 the filter thickness. This is no big deal.

A bigger issue is the lack of any aperture control for G class lenses. Other manufacturers of similar adapters either have a pin to hold the lens wide open or full adjustment. If your lens has an aperture control ring their is no problem, so the fully manual lenses from Samyang and Zeiss are fine, as is my older Nikon 180mm. Otherwise you will need to faff around with small (dental) rubber bands. E lenses can usually be fooled into holding a particular aperture by removing them from
A DSLR body where the aperture has been set to where you want it. Id give this product 5* if it had aperture adjustment built in.

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