Product Questions
Good afternoon. I've a Ziel Newton 150/750 mm + Canon EOS 1100D + Protective T ring. The focuser is near the end with this setup. When I add also the coma corrector (MPCC), I can't reach focus because it's too inside. Could this product help me? I have also to buy other parts?
Question by: Marco Montagna on Jan 24, 2018 3:31:00 PM | 1 Answer(s)
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The Baader Astro T-2 System™
Baader Astro T-2 System™ Component Chart For over 30 years we have focused on the Astro T-2 thread system (M 42 x 0.75 mm); virtually every telescope manufacturer must offer this thread far ahead of the focal point of his instrument, such a universal T-ring (for DSLR cameras) can be connected. The only exceptions are (still) Russian equipment, there the thread diameter is the same, but the pitch is still 1mm per revolution - rather than 0.75mm! Therefore, we offer among other things a "Russians adapter". At only 7mm additional optical length it can allow so many Russian lenses or telescopes to be compatible with an international Astro T-2 (M 42 x 0.75mm) connector! For the sake of better recognition mostly are marked. See marking small 'a' or small 'i' in the respective indication! "a"; identifies an external thread (male); or, if Ø sign which a diameter, "i"; - a female is always (female) or - Ø character - an inner diameter. The Optical Length A small selection from the variety of products from the Baader Astro T-2 System™ The optical length describes the extension of the optical path caused by an adapter or accessory when inserted into the...
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Additional Information
| Manufacturer | Baader Planetarium |
|---|---|
| SKU (#) | 2956946 |
| Weight (kg) | 0.093 |
| Optical length (mm) | 29 – 46 |
| T-2 Part # | 25Y |
| Usage | to set precise focus distance |
| Screw Type | 6x M1,3 Allen wrench screws |
| Inner Diameter / Clear Aperture (mm) | mit okularseitigem T-2 Gewindeeinsatz = 38mm mit okularseitiger 52mm Ringschwalbe = 41mm |
| Outer Diameter | 50,8 (2") |
| Inner Connection (lens sided) | Thread, T-2 (M42 x 0,75) |
| Outer Connection (eyepiece/-camera-sided) | Thread, Dovetail ring, T-2 (M42 x 0,75) |
| Compatible Brands | Astro T-2, Baader Planetarium |
| Type of Adapter | Extension |
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