The ZWO OAG-L-68 has a large prism size of 12*12mm, far bigger than the standard OAG. The bigger clear aperture brings wider field of view in guiding. It is easy to use, and suitable for users who are interested in long focal length photography.

To take the most advantage of it, we recommend you to match it with large format guiding cameras.

While OAG-L-68 shares the same prism size of 12*12mm as the OAG-L, it has been specially designed for ASI461MM Pro and ZWO 50mm Square Filter Wheel.

Features:

  1. Lightweight and narrow, 17.5mm thickness.
  2. Prism size: 12*12mm.
  3. The effective light-passing aperture is 11.7mm*8.3mm.
  4. Built-in helical focuser.
  5. Can be used to connect the main camera and guide camera simultaneously. No guide telescope required.
  6. Packaged with an M48 sensor tilt plate (5mm).

Operating Guide:

  1. For guiding, OAG-L-68 can only work with ASI Mini cameras like ASI174MM Mini, ASI290MM Mini and ASI220MM Mini.
  2. Considering the large prism size, we don’t recommend you use OAG-L-68 with telescopes whose clear aperture is smaller than M48.
  3. Yet it is recommended to use with 2” EFW or 7x36mm EFW, and with APS-C cameras (ASI2600) or full-frame cameras (ASI6200/2400). The large clear aperture supports full-frame cameras without vignetting.
  4. The major differences between OAG-L-68 and the OAG-L is the large square optical profile provided by the OAG-L-68. This has been specifically desined to be compatible 50mm x 50mm square filters.
  5. While adding OAG-L-68 into your optical train, please make sure the prism won’t block the camera sensor.
  6. You can use the guiding screw to adjust the guiding camera’s focus length. Please make sure the distances from the prism to the main camera and to the guide camera are the same. To ensure the result, it is better to do this during the daytime for the adjustment will be very difficult at night.

ZWO-OAG-L-68 sensor tilt plate removal:

ZWO-OAG-L-68 sensor tilt plate removalZWO-OAG-L-68 sensor tilt plate removal

OAG-L-68 Mechanical Diagram

ZWO-OAG-L-68 diagram

OAG-L-68 Connection Methods

ZWO-OAG-L-68 Connections

The ZWO website is always updated with the most recent camera drivers as well as software for DSO and planetary imaging. Please make sure the most recent driver and software has been installed before you start shooting:

It is also recommended to read the Manuals first before shooting.

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Related Products

ZWO Off Axis Guider OAG-L-68

SKU: ZWO-OAG-L-68

$429.00

Available on back-order

✅ Expert Advice
✅ Australian Owned
✅ Lifetime Technical Support

    Need Expert Advice?

    Visual Astronomy, Astrophotography, Microscopy and Macro Photography can be a little complicated sometimes as there are a lot of options. If you'd like to check something before you purchase just let us know and we'd be happy to help!

    Enquire now or call us (03) 9042 2293

    ZWO Off Axis Guider OAG-L-68

    SKU: ZWO-OAG-L-68

    $429.00

    Available on backorder

    The ZWO OAG-L-68 has a large prism size of 12*12mm, far bigger than the standard OAG. The bigger clear aperture brings wider field of view in guiding. It is easy to use, and suitable for users who are interested in long focal length photography.

    To take the most advantage of it, we recommend you to match it with large format guiding cameras.

    While OAG-L-68 shares the same prism size of 12*12mm as the OAG-L, it has been specially designed for ASI461MM Pro and ZWO 50mm Square Filter Wheel.

    Features:

    1. Lightweight and narrow, 17.5mm thickness.
    2. Prism size: 12*12mm.
    3. The effective light-passing aperture is 11.7mm*8.3mm.
    4. Built-in helical focuser.
    5. Can be used to connect the main camera and guide camera simultaneously. No guide telescope required.
    6. Packaged with an M48 sensor tilt plate (5mm).

    Operating Guide:

    1. For guiding, OAG-L-68 can only work with ASI Mini cameras like ASI174MM Mini, ASI290MM Mini and ASI220MM Mini.
    2. Considering the large prism size, we don’t recommend you use OAG-L-68 with telescopes whose clear aperture is smaller than M48.
    3. Yet it is recommended to use with 2” EFW or 7x36mm EFW, and with APS-C cameras (ASI2600) or full-frame cameras (ASI6200/2400). The large clear aperture supports full-frame cameras without vignetting.
    4. The major differences between OAG-L-68 and the OAG-L is the large square optical profile provided by the OAG-L-68. This has been specifically desined to be compatible 50mm x 50mm square filters.
    5. While adding OAG-L-68 into your optical train, please make sure the prism won’t block the camera sensor.
    6. You can use the guiding screw to adjust the guiding camera’s focus length. Please make sure the distances from the prism to the main camera and to the guide camera are the same. To ensure the result, it is better to do this during the daytime for the adjustment will be very difficult at night.

    ZWO-OAG-L-68 sensor tilt plate removal:

    ZWO-OAG-L-68 sensor tilt plate removalZWO-OAG-L-68 sensor tilt plate removal

    OAG-L-68 Mechanical Diagram

    ZWO-OAG-L-68 diagram

    OAG-L-68 Connection Methods

    ZWO-OAG-L-68 Connections

    The ZWO website is always updated with the most recent camera drivers as well as software for DSO and planetary imaging. Please make sure the most recent driver and software has been installed before you start shooting:

    It is also recommended to read the Manuals first before shooting.

    Reviews

    There are no reviews yet.

    Be the first to review “ZWO Off Axis Guider OAG-L-68”

    Your email address will not be published. Required fields are marked *

    Related Products

      Need Expert Advice?

      Visual Astronomy, Astrophotography, Microscopy and Macro Photography can be a little complicated sometimes as there are a lot of options. If you'd like to check something before you purchase just let us know and we'd be happy to help!

      Enquire now or call us (03) 9042 2293