Astromania Bahtinov Mask Focusing Mask for Telescopes - FM120mm for a Tube Outer Diameter (OD) from 125mm-180mm - can be Mounted with the Brass Screws Inside or Outside the drawtube
€8.40
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€8.40
Preis bei Onlinekauf
Kostenloser Versand
30 Tage kostenlose Rückgabe
Verkauft und versendet von noticiasdelaquinta.com.ar
30 Tage kostenlose Rückgabe Details
Produktdetails
| Artikelnummer | 234217385 | Erscheinungsdatum | 2026/06/27 | Listenpreis | €8.40 | Modellnummer | 234217385 | ||
|---|---|---|---|---|---|---|---|---|---|
| Kategorie | |||||||||
- 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
- Suitable for use on all types of telescope; they are made from precision laser cut enforced plexiglass that is stiff and long lasting; they will never be brittle in the cold; unlike some other masks which are made from normal plastics
- The masks grip the telescope tube gently but firmly with three metal posts which have non-scratching silicon sleeves to protect valued telescope surface; mask remains centered since 3-post mounting; while fitting a wider range of telescopes
- Made from 2mm thick laser cut plexiglass and securing screws are capped with soft plastic so that do not damage telescope; They have adjustment latitude of about 125-180mm that adjustable to fit optical tubes unlike masks which only fit one telescope
- Please be assured these focusing masks will work excellently for both reflectors and refractors with whatever focal length; all you need to do is to measure telescope tube size and choose right size of mask contact us if not sure where to measure
| ASIN | B01MDNM7U9 |
|---|---|
| Brand | Astromania |
| Mount | Altazimuth Mount |
| Coating | StarBright XLT |
| Focus Type | Manual Focus |
| Model Name | FM120mm |
| Unit Count | 1.0 Count |
| Finderscope | Reflex |
| Item Weight | 2 Ounces |
| Manufacturer | Astromania |
| Model Number | SKU_AM_BFM120 |
| Power Source | Manual Operation |
| Field Of View | 2.31 Degrees |
| Compatible Devices | CCD Camera, DSLR, Webcam |
| Additional Features | Bahtinov Focusing Mask for Quick and Easy Telescope Focusing |
| Exit Pupil Diameter | 2.5 Millimeters |
| Objective Lens Diameter | 125 Millimeters |
| Focal Length Description | 375 millimeters |
| Manufacturer Part Number | SKU_AM_BFM120 |
| Eye Piece Lens Description | Barlow |
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