Lacerta Octo focuser with M74x1 thread for refractors

incl. 27% VAT

403.21
Including 27% VAT:
403.21 € (163 300 HUF)
Net price (for non-EU customers):
317.49 € (128 583 HUF)
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Available for delivery
Budapest shop:
Limited stock (1 piece). Please contact our colleagues before ordering: +36-1-202-5651
Delivery:Available for delivery
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  • 1 year warranty
  • 2 years consumer warranty

Product code: OctoRefr74mic

Lacerta Octo focuser with rotatable M74x1 thread, 50.8mm and 31.7mm and microfocus-unit for large refractors

The Octo eyepiece focuser series is being expanded further!

This rotatable 2.7 inch focuser with 95mm adjustment range and over 65mm free opening is designed for large refractors.

All 8 ball bearings can be adjusted independently of each other to ensure optimal running of the extension tube.

The original model BTrL27 has been further developed in the following points: - The extension is guided on 8 ball bearings (the previous model only had 4 ball bearings) - All 8 ball bearings can be adjusted independently of each other (the previous model had no ball bearing adjustment option) - The M74x1 thread at the front has a rotation unit (the previous model had no rotation option) - This allows you to rotate your zenith mirror without unclamping it, without having to rotate the entire OAZ - Increased wall thickness (now 6mm, which is 1mm thicker than the previous model) - MFOC adaptation prepared on BOTH sides (the previous model only had it on the microfocus side) The technical data: Eyepiece-side connections: - Rotatable M74x1 external thread - Reduction to 2 inch eyepiece socket, - Further reduction to 1.25 inch eyepiece socket - ​​Weight: 1808 g Telescope side

Connections: - from the inside 90mm dovetail mount (eyepiece extension body including finder holder is rotatable) - from the outside 99mm outer diameter (eyepiece extension body including finder holder does NOT rotate, but the M74x1 thread remains rotatable.

Minimum length: up to the rotating M74x1 thread: 114mm up to the 2-inch clamp: 138mm Maximum length: up to the rotating M74x1 thread: 209mm up to the 2-inch clamp: 233mm Stroke / adjustment range: 95mm Total weight with all reductions: 1789 grams Free opening at the narrowest point of the light trap: 65.3mm (2.57 inches) Free opening at the widest point of the eyepiece extension: 68.5mm (2.7 inches) Wall thickness of the extension tube: 6mm

More about the product

Low profile "Bearing Type" focuser with 8 ball bearings (for Newton)
At these very high loading capacity extracts, is the storage of the extension tube with eight ball bearings. The drive is available with Crayford shaft or with a classic rack, the latter principle has prevailed in the short excerpts built because the brake screw can be placed at the side and at the terminals there is no tipping. The Lacerta Newton extract with extra low profile works in this manner, we recommend it for high loads. 

Ball-bearing "Bearing Type Linear" statements for SC
In this type, the extension tube is attached to the bottom rail on both sides out of two oversized ball bearings and held. Characterized in that the tube is supported only at the bottom or out, the construction can be carried out much more easily than a comparable Crayford focuser. The weight of the 2.7-inch refractors for linear statement is as about 30% lower than similar sized Crayford constructions. Eyepiece has the 2.7-inch refractor for linear pull a M74 external thread and a rotator with this, the connected equipment or the camera can be rotated smoothly and effortlessly into the desired position.

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The product comes with 2 years consumer warranty.

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