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This larger OAG is the latest variant with a larger prism size of 12x12 mm. The larger free opening brings a larger field of view when guiding. It is easy to use and suitable for users who are interested in photography with a longer focal length telescopes. To take full advantage of this accessory, ZWO recommends combining it with large format cameras.
Features:
- Lightweight and high quality, 17.5 mm thickness
- Prism size: 12x12 mm
- The effective translucent aperture is 11.7mm *
- 8.3mm.
- Can be used to connect the main camera and tracking camera at the same time. No guide telescope required.
- Comes with an M48 tilt adapter (5mm).
Instructions for use:
- For guiding, the OAG-L can only be used with ASI Mini cameras such as ASI174MM Mini, ASI290MM Mini and ASI120MM Mini.
- Considering the large prism size, ZWO does not recommend using OAG-L with telescopes whose optical path is smaller than M48.
- It is recommended to use it together with the 2" EFW or the 7x36 mm EFW as well as with APS-C cameras (ASI2600) or full-frame cameras (ASI6200/2400).
- If the thread of your telescope side is M48, you do not need to remove the M48 tilt adapter supplied with this OAG. Otherwise, you will need to remove it and use a different tilt adapter on the corresponding thread of your telescope.
OAG Spec:
- Connection to telescope: M48x0,75 female thread
- Connection on the camera side: For ZWO EFW 2" or 36 mm
- Optical path with tilt adapter: 22.5 mm
- Optical path without tilt adapter: 17.5 mm
- Optical path with tilt adapter (5 mm), optional EFW (20 mm) and optional cooled camera (12.5 mm): 55 mm
- Prism size: 12mm x 12mm
- Free opening prism: 11.7mm x 8.3mm
- Suitable guiding cameras: ASI Mini Cameras
Please note:
If you install the OAG-L in your optical beam path, please make sure that the prism does not block the camera sensor. You can use the guide screw to adjust the focus length of the tracking camera.
Please make sure that the distance from the prism to the main camera and the tracking camera is the same.
Download the ZWO OAG Manual here
REPUBLIC OF IRELAND
Est. Delivery Time:
5 - 7 Working days after dispatch
Standard Tracked Delivery:
Republic of Ireland Nationwide: from €8.95 upwards
Note: The exact shipping charge will depend on the size of your order and will be calculated at the checkout. Some large and bulky Telescopes may also be shipped to you directly from our Manufacturer. This is a special agreement we have with our suppliers to ensure our customers enjoy the cheapest possible shipping rates for large bulky Telescopes.
For some very large Telescopes over 45kg, it may require special handling instructions and you will be asked at the checkout to contact us for a special delivery quotation.
Mainland EUROPE (EU)
Est. Delivery Time:
3 - 5 Working days after dispatch
Standard Tracked Delivery:
Mainland Europe: from €4.95 upwards
Note: The exact shipping charge will depend on the size of your order and will be calculated at the checkout. Some large and bulky Telescopes may also be shipped to you directly from our Manufacturer. This is a special agreement we have with our suppliers to ensure our customers enjoy the cheapest possible shipping rates for large bulky Telescopes.
For some very large Telescopes over 45kg, it may require special handling instructions and you will be asked at the checkout to contact us for a special delivery quotation.
EU Additional Info:
If your country is not listed below please contact us for a specialised quote.
Standard EU Delivery Regions:
Germany, France, Belgium, Poland, Luxembourg, Netherlands, Denmark, Portugal, Spain, Austria, Italy, Poland, Croatia, Malta, Greece, Monaco.
IMPORTANT: It is essential when placing an order, that you include a valid 'Contact Telephone Number' for the delivery address or for the person receiving the item. This is necessary to avoid potential delays, return delivery costs or problems with your delivery.
Shipping Disclaimer: All of our parcels are sent via a 3rd party registered courier service to ensure safe and prompt delivery. While we endeavor to ensure that all parcels are delivered within the specified time frame, 'Horizon Astronomy' can not be held responsible for delays due to adverse weather conditions or other courier/technical related issues outside of our control.