Manufacturer: ASI - ZWO
Product number: ZWO-OAG-L-68

EUR 338,00


incl. 19 % VAT (DE)  
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ZWO Large M68 Off-Axis Guider
OAG-L-68 is an iteration of M68 OAG with a larger prism size of 12*12 mm. 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, ZWO recommends you to match it with large format guiding cameras.

Features:
1. Lightweight and exquisite, 17.5 mm thickness.
2. Prism size: 12*12 mm.
3. The effective light-passing aperture is 11.7 mm * 8.3 mm.
4. Can be used to connect the main camera and guide camera simultaneously. No guide telescope required.
5. Packaged with an M68 sensor tilt plate (5 mm).

Operating Guide:
1. For guiding, OAG-L-68 can only work with ASI Mini cameras like ASI174MM Mini, ASI290MM Mini and ASI120MM Mini.
2. Considering the large prism size, ZWO does not recommend you to use OAG-L-68 with telescopes whose clear aperture is smaller than M68.
3. It is recommended to use with medium format cameras (ASI461) in combination with the 7x50x50 mm EFW. The large clear aperture supports medium format cameras without vignetting.
4. The major differences between OAG-L-68 and M68 OAG are about the prism size and the threads. OAG-L removed the inner threads so you can directly use the screws to connect it to other equipment.
5. If the thread of your telescope side is M68, then you don?t need to remove the M68 sensor tilt plate coming with OAG-L-68. On the contrary, you need to remove it and use some other sensor tilt plate at the corresponding thread of your telescope.

Please note:
While adding OAG-L-68 into your optical train, please make sure the prism won´t block the camera sensor.

You can use the guiding screw to adjust the guiding camera´s focus length. Please make sure the distance 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 at daytime for the adjustment will be very difficult at night.
Connection to telescope:M68x1 female thread
Camera side connection:For ZWO EFW 7x50 mm
Optical path with tilting plate:22.5 mm
Optical path without plate:17.5 mm
Optical path with M68 adapter (5 mm), optional EFW (16 mm) and optional cooled medium format camera (17.5 mm):56 mm
Prism size:12 mm * 12 mm
Clear aperture prism:11.7 mm * 8.3 mm
Suitable guiding cameras:ASI Mini cameras
Off axis guider
M68 sensor tilt plate (already attached)

Manufacturer / Importeur:Teleskop-Service Ransburg GmbH
Street:Von-Myra-Str. 8
ZIP / City:85599 Parsdorf
Country:Germany
Telefon number:+49 89 99228750
Email:info@teleskop-service.de
Website:www.teleskop-service.de
Safety informations: PDF Download


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