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Model: baader-2956929Part Number: 2956929Brand: Baader
Baader VariLock 29 Lockable T2 Extension Tube (2956929) Baader T-2 VariLock extensions are two infinitely adjustable rings in the T-2 System. By loosening then after adjustment locking the clamp ring the extension tubes can be adjusted to the desired length by using a millimetre scale. All necessary tools (allen key, hook wrench) are included.VariLock is an ideal tool for setting the exact focus at distances when using field correctors with critical focus position.
This Lockable T-2 Extension Tube can be adjusted between 20 mm and 29 mm with clamping and Allen key.Technical specificationsTelescope side connection: female T-2 thread (M42 x 0.75)Eyepiece/camera side connection: male T-2 thread (M42 x 0.75) or T-2 ring dovetail 52 x 6.5mm for Baader bayonet adapterOptical length: 20-29 mm adjustable over a millimetre scaleOutside diameter: 50.8mm / 2 "Inside diameter: 38mm when T-2 thread inserted, 41mm when the 52mm dovetail ring inserted
I was having problems setting my coma corrector back focus to account for my 3mm thick Astrodon filters. Using this I made something like 30 fine adjustments to the coma corrector spacing before I was satisfied. Yes I could have used spacers but that would have driven me mad. One Star dropped for pricing.
Really good quality, and lock firmly with no flexture, which I was a little worried about. I'll probably end up buying its big brother too. Highly recommended.
First Light Optics LtdUnit 7 Budlake UnitsBudlake RoadMarsh Barton Trading EstateExeter, DevonEX2 8PY
Company No. 5892293VAT No. 907 2895 01
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