More products from the brand :ZWO

ZWO OAG-L

Use the ZWO OAG-L to guide directly through your telescope. .

CHF 152.10incl. Swiss VAT

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Estimated shipping time: 2 to 4 days

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5 Recommended Products for This Model

ZWO OAG-L: Large-Prism Optical Splitter for Astrophotography

Guide directly through your telescope with the
ZWO OAG-L. This optical splitter splits off a portion
light to power a guidance camera, while allowing
The main camera takes a picture of your target. It avoids the
differential deflections between a separate guide ring
and the main instrument.

Large prism and precise focusing

Sound 12 × 12 mm prism provides a useful insight
11.7 × 8.3 mm. The built-in helical focus mechanism makes it easy to
Adjusting the guide camera to the 31.75 mm slide.

Interfaces and Connections

Telescope or corrector M48 × 0.75 female thread via the adjustment plate
of the included M48 tilt head.
Main camera or filter wheel Screw-on mounting on a ZWO-compatible interface.
Intended for use specifically with filter wheels
Compatible with ZWO EFW 36 mm and 2″.
Guidance camera 31.75 mm (1.25″) sliding camera mount with focus adjustment
Helical, compatible with ZWO ASI Mini cameras.
Installation without a filter wheel A specific adapter is required, depending on the camera.
ZWO offers an M54 adapter for the 15 mm OAG-L,
Sold separately, for compatible configurations.

Thickness and Backfocus Calculation

The body of the OAG-L measures 17.5 mm thick.
The M48 turntable adds 5 mm, or
22.5 mm with this plate installed.
Additional connections and the camera cable must
...should also be included in the calculation.

For a corrector that imposes a backfocus of 55 mm, check
the entire assembly, from its reference surface to the sensor.
Focus should be achievable simultaneously on
the main camera and the guidance camera.

Compatibility with the ASI585MC Pro

L'ASI585MC Pro requires a mechanical modification
specific: its M42 connector does not attach directly to
the rear interface of the OAG-L. The choice of parts depends on
the corrector and the available spacing. The M54 adapter
Being optional does not, in and of itself, constitute a guarantee of
Compatibility with this camera.

Documentation and Compatibility: ZWO official data sheet.

How to Care for Your Instrument

Here are a few accessories we've selected for this model, depending on your needs.

ZWO ASI220MM Mini

Choice of guide camera for the OAG-L, an alternative to the ASI174MM Mini. Check the prism position and focus using your main camera.

CHF 242.10incl. Swiss VAT

ZWO ASI174MM Mini

Optional guide camera for the OAG-L, an alternative to the ASI220MM Mini. The prism may limit the effective field of view; check the mounting and focus.

CHF 314.10incl. Swiss VAT

ZWO ASI 120MM Mini

Optional guide camera, an alternative to the other models offered. Check the focus, the prism, and the field of view: its small sensor may limit the number of visible stars, especially at long focal lengths.

CHF 161.10incl. Swiss VAT

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