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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

Focusing Masks

Filters

$23.10 - $52.80
$23.10 - $52.80
$23.10 - $52.80
$23.10

Farpoint Bahtinov Focusing Mask - Celestron

Options available
4 variants in stock

Farpoint Bahtinov Focus Mask is an ingenious new way to easily focus a telescope. Pavel Bahtinov, a Russian amateur telescope maker and astronomer...

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$23.10 - $52.80
$23.10 - $52.80
$23.10 - $52.80
$23.10
$26.40 - $52.80
$26.40 - $52.80
$26.40 - $52.80
$26.40

Farpoint Bahtinov Focusing Mask - Meade

Options available
12 variants in stock

Farpoint Bahtinov Focus Mask is an ingenious new way to easily focus a telescope. Pavel Bahtinov, a Russian amateur telescope maker and astronome...

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$26.40 - $52.80
$26.40 - $52.80
$26.40 - $52.80
$26.40
$12.87 - $22.88
$12.87 - $22.88
$12.87 - $22.88
$12.87

Farpoint Bahtinov Focusing Mask - Universal from 2.5" to 10.5"

Options available
7 variants in stock

Farpoint Bahtinov Focus Mask – Small is an ingenious new way to easily focus a telescope. Pavel Bahtinov, a Russian amateur telescope maker and as...

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$12.87 - $22.88
$12.87 - $22.88
$12.87 - $22.88
$12.87
$17.60 - $17.60
$17.60
$17.60 - $17.60
$17.60

Farpoint Camera Filter Bahtinov Focus Mask - 52-82mm

Options available
5 variants in stock

Farpoint Camera Filter Bahtinov Focus Mask is an ingenious new way to easily focus your DSLR camera, webcam or CCD camera for astrophotography. Pa...

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$17.60 - $17.60
$17.60
$17.60 - $17.60
$17.60
$17.60 - $17.60
$17.60
$17.60 - $17.60
$17.60

Farpoint Camera Filter Bahtinov Focus Mask - Cokin

Options available
2 variants in stock

Farpoint Cokin Camera Filter Bahtinov Focus Mask is an ingenious new way to easily focus your DSLR camera, webcam or CCD camera for astrophotograph...

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$17.60 - $17.60
$17.60
$17.60 - $17.60
$17.60
$31.90 - $65.00
$31.90 - $65.00
$31.90 - $65.00
$31.90

Farpoint Tri-Bahtinov Focusing Mask - Celestron

Options available
5 variants in stock

The Tri-Bahtinov Mask is an advanced version of the Bahtinov mask that allows for even more precise adjustments and can also be used as a collimati...

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$31.90 - $65.00
$31.90 - $65.00
$31.90 - $65.00
$31.90
$33.00 - $60.50
$33.00 - $60.50
$33.00 - $60.50
$33.00

Farpoint Tri-Bahtinov Focusing Mask - Meade

Options available
5 variants in stock

The Tri-Bahtinov Mask is an advanced version of the Bahtinov mask that allows for even more precise adjustments and can also be used as a collimati...

View full details
$33.00 - $60.50
$33.00 - $60.50
$33.00 - $60.50
$33.00
$995.00 - $995.00
$995.00
$995.00 - $995.00
$995.00

PrimaLuceLab GIOTTO 430 Smart Flat Field Generator

PLL-PLLGIOTTO430

Calibration is important in astrophotography because results are greatly improved by capturing special calibration frames called flat, dark and bia...

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$995.00 - $995.00
$995.00
$995.00 - $995.00
$995.00
$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00

William Optics 105 -148mm Bahtinov Focusing Mask

WO-BM-DS-GR55

Fits Telescope Dew Shields from 105mm to 148mm Generates Clear Diffraction Spikes for Focusing Removes Subjectivity from Manual Focusing Lightweig...

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$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00
$88.00 - $88.00
$88.00
$88.00 - $88.00
$88.00

William Optics 172mm -235mm Bahtinov Focusing Mask

WO-BM-DS-GR90

Fits Dew Shield Diameters from 172mm to 235mm Generates Clear Diffraction Spikes for Precise Focusing Ideal for Astrophotography of Planets and De...

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$88.00 - $88.00
$88.00
$88.00 - $88.00
$88.00
$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00

William Optics 243-308mm Bahtinov Focusing Mask

WO-BM-DS-GR150

Fits Dew Shields with Outer Diameters from 243mm to 308mm Generates a Clear Three-Spike Diffraction Pattern for Precise Focusing Essential Tool fo...

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$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

William Optics 75mm -110mm Bahtinov Focusing Mask

WO-BM-DS-GR45

Fits Telescope Dew Shields from 75mm to 110mm Creates Sharp Diffraction Spikes for Precise Focusing Ideal for Small Apochromatic Refractors and As...

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$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$102.00 - $118.00
$102.00 - $118.00
$102.00 - $118.00
$102.00

William Optics Bahtinov Mask Cover for GT71 / Z73 / Star71II

Options available

Patented Bahtinov mask integrated into a dust cover Precision-cut pattern for accurate focusing Designed for William Optics GT71, Z73, and Star71I...

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$102.00 - $118.00
$102.00 - $118.00
$102.00 - $118.00
$102.00
$113.00 - $113.00
$113.00
$113.00 - $113.00
$113.00

William Optics Bahtinov Mask Cover for GT81 / Z81

Options available

Bahtinov mask cover for William Optics GT81 and Z81 telescopes Enhances focusing accuracy for astrophotography Description The Willi...

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$113.00 - $113.00
$113.00
$113.00 - $113.00
$113.00
$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00

William Optics Bahtinov Mask Cover for Takahashi FSQ106

Options available

Bahtinov mask cover for Takahashi FSQ106 telescope Enhances focusing accuracy for astrophotography Description The William Optics Ba...

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$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00