TS Optics Bahtinov Focusing Mask for 105–150 mm Outer Diameter
€31.00
Tax included
TS-Optics Bahtinov focusing mask — 105–150 mm outside diameter This Bahtinov mask fits telescope dew shields or camera lenses with an outside diameter from 105 to 150 mm. Select it by the physical attachment diameter, not the optical aperture.
Manufacturer model: TS-Optics Bahtinov focusing mask — 105–150 mm outside diameter · Specifications checked against manufacturer data on 2026-11-04
TS-Optics Bahtinov focusing mask — 105–150 mm outside diameter
This Bahtinov mask fits telescope dew shields or camera lenses with an outside diameter from 105 to 150 mm. Select it by the physical attachment diameter, not the optical aperture.
Focusing procedure
Fit the mask, point at a suitable star and view the diffraction pattern on the camera. Adjust focus until the central spike sits midway between the other two spikes, then remove the mask before recording the target.
Construction and fit
The black plastic mask is secured by three screws with protective covers. Use this stated fitting range for the supplied size.
56833
Data sheet
Attachment
Three screws with protective plastic/rubber covers
Fitting range outside diameter (mm)
105–150
Item
Bahtinov Mask
Manufacturer listed equipment
TS Bahtinov Mask 3 screws covered in rubbery plastic for attachment
Manufacturer part number
TSBahtinov105
Material
Plastic
Model
TS-Optics Bahtinov focusing mask — 105–150 mm outside diameter
Purpose
Camera focusing on a star using a diffraction pattern
Suitable for
Telescopes and lenses with 105-150 mm diameter
Specific References
MPN
TSBahtinov105
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TS-Optics Bahtinov focusing mask — 105–150 mm outside diameter This Bahtinov mask fits telescope dew shields or camera lenses with an outside diameter from 105 to 150 mm. Select it by the physical attachment diameter, not the optical aperture.
Manufacturer model: TS-Optics Bahtinov focusing mask — 105–150 mm outside diameter · Specifications checked against manufacturer data on 2026-11-04
