Alstar Bahtinov Mask Focusing Mask for Telescopes - FM100mm for a Tube Outer Diameter (OD) from 105mm-150mm
Produktdetails
| Artikelnummer | 234219897 | Erscheinungsdatum | 2026/06/27 | Listenpreis | €6.40 | Modellnummer | 234219897 | ||
|---|---|---|---|---|---|---|---|---|---|
| Kategorie | |||||||||
- Please be assured that these focusing masks will work excellently for both reflectors and refractors with whatever focal length; All you need to do is to measure your telescope tube size and choose the right size of the mask
- They are made from 2 mm thick laser cut abs; Securing screws are capped with soft plastic so they do not damage your telescope; These Bahtinov masks are adjustable to fit a wide range of optical tubes; They have adjustment latitude of about 105 to 150 mm
- The masks grip the telescope tube gently but firmly with three metal posts which have non scratching silicon sleeves; protect you valued telescope surface; Prevents slippage; Allow the mask to remaining perfectly central because of this 3 post mounting
- Suitable for use on all types of telescope; They are made from precision laser cut enforced plexiglass which is stiff and long lasting; They will never be brittle in the cold unlike some other masks which are made of normal plastics
- Bahtinov masks take the guesswork out of focusing and even get over the seeing conditions as it is a mathematical type approach to the task; The best focus for your telescope quickly and easily
| ASIN | B077FTS49Z |
|---|---|
| Brand | A ALSTAR |
| Mount | Altazimuth Mount |
| Coating | Fully Coated |
| Focus Type | Manual Focus |
| Model Name | FM100mm |
| Unit Count | 1.0 Count |
| Zoom Ratio | 1:1 |
| Finderscope | Reflex |
| Item Weight | 1.6 Ounces |
| Manufacturer | A ALSTAR |
| Model Number | SKU_AM_BFM100A |
| Power Source | Manual Operation |
| BuiltIn Media | Bahtinov Mask |
| Compatible Devices | Camera, Mount |
| Additional Features | Bahtinov focusing system |
| Warranty Description | 2 Year Manufacturer |
| Objective Lens Diameter | 80 Millimeters |
| Focal Length Description | 127.5 mm |
| Manufacturer Part Number | 6971336220964 |
| Item Dimensions D x W x H | 0.1"D x 5.1"W x 5.1"H |
| Eye Piece Lens Description | Plexiglass |
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