Astromania Bahtinov Mask Focusing Mask for Telescopes - FM60mm for a Tube Outer Diameter (OD) from 65mm-100mm - can be Mounted with the Brass Screws Inside or Outside the drawtube
US$5.20
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US$5.20
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by scopeone.com.br
Free 30-day returns Details
Product details
| Management number | 234219690 | Release Date | 2026/06/27 | List Price | US$5.20 | Model Number | 234219690 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 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 65-100mm 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 | B01MEG5D8W |
|---|---|
| Brand | Astromania |
| Mount | Equatorial Mount |
| Coating | UV-Protective, Scratch-Resistant |
| Focus Type | Center Focus |
| Model Name | FM60mm |
| Unit Count | 1.0 Count |
| Item Weight | 1.1 Ounces |
| Manufacturer | Astromania |
| Model Number | SKU_AM_BFM60 |
| Compatible Devices | Camera, DSLR, Webcam |
| OpticalTube Length | 60 Millimeters |
| Additional Features | Bahtinov Mask |
| Exit Pupil Diameter | 3 Millimeters |
| Age Range Description | Adult |
| Objective Lens Diameter | 100 Millimeters |
| Manufacturer Part Number | SKU_AM_BFM60 |
| Eye Piece Lens Description | NO |
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