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TELESCOPE EYEPIECE CALCULATOR

(125 products)

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In stock (39)
Out of stock (93)

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Acuter (1)
Askar (17)
Celestron (1)
Daystar (3)
Geoptik (2)
GSO (11)
NAKOH (1)
Optiques Fullum (8)
PlaneWave (13)
Sharpstar (1)
Sky Rover (18)
Sky-Watcher (28)
Takahashi (12)
William Optics (3)
ZWO (6)

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Threads

2"-24 UNC (1)
1.25" Barrel (18)
1.25" barrel (9)
2" Barrel (25)
2" barrel (13)
M42 x 0.75 Male (1)
M48 x 0.75 Male (19)
M52 x 0.75 Male (2)
M54 x 0.75 Male (9)
M54 x 1 Male (10)
M64 x 1 Female (6)
M65 x 1 Male (2)
M68 x 1 (1)
M68 x 1 Female (1)
M68 x 1 Male (6)
M69 x 1 Female (5)
M74 x 1 Male (7)
M76 x 1 Female (1)
M77 x 1 Female (5)
M78 x 1 Female (4)
M84 x 1 Female (2)
M86 x 1 Male (3)
M90 x 1 Male (4)
M92 x 1 Female (4)
M117 x 1 Male (5)

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Aperture

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Optical design

Achromatic doublet (3)
Apochromatic doublet (5)
Apochromatic Petzval quadruplet (15)
Apochromatic Petzval quintuplet (2)
Apochromatic septuplet (3)
Apochromatic triplet (12)
Apochromatic Triplet (2)
Corrected Dall-Kirkham (8)
Dall-Kirkham (2)
Dobsonian (4)
Flat-field Maksutov-Cassegrain (1)
Fullum-folded Newtonian (8)
H-alpha apochromatic doublet (3)
Infrared-Optimized Dall-Kirkham (5)
Maksutov-Cassegrain (4)
Newtonian (12)
Ortho-Apochromatic triplet (3)
Ritchey-Chrétien (9)
Schmidt-Cassegrain (1)

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Mount type

Alt-Azimuth (1)
Computerized Altitude-Azimuth Dual Fork Arm (1)
Dobsonian (11)

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Payload capacity

12kg (1)
300 lbs (150 ft-lbs) mounted on the field derotator plate (1)

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Encoders

High-resolution absolute encoders (1)

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Bandpass (FWHM)

0.2 - 0.8 Å depending on configuration (1)
~0.5Å (2)

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SKYWATCHER SKYMAX MAKSUTOV CASSEGRAIN 150/1800

(2)

Regular price $1,299.00AUD
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SKYWATCHER SKYMAX MAKSUTOV CASSEGRAIN 180/2700

Regular price $2,099.00AUD
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SKYWATCHER STARGATE 16" GO-TO DOBSONIAN
Backordered

Regular price $8,249.00AUD
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SKYWATCHER STARGATE 20" GO-TO DOBSONIAN
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Regular price $14,999.00AUD
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TAKAHASHI FC-100DZ DOUBLET OTA

Regular price From $6,299.00AUD
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TAKAHASHI FC-76DS DOUBLET OTA
Very low stock (1 unit)

Regular price From $3,399.00AUD
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TAKAHASHI FS-60CB DOUBLET OTA
Backordered

Regular price From $1,899.00AUD
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TAKAHASHI FS-60Q DOUBLET OTA
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Regular price From $2,199.00AUD
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TAKAHASHI MEWLON 180C
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Regular price $3,799.00AUD
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TAKAHASHI MEWLON 210
Very low stock (1 unit)

Regular price $6,599.00AUD
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TAKAHASHI MEWLON 250CRS
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Regular price $14,299.00AUD
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TAKAHASHI MEWLON 300CRS
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Regular price $26,499.00AUD
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TAKAHASHI TOA-130NFB ORTHO-APO TRIPLET
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Regular price From $13,999.00AUD
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TAKAHASHI TOA-130NS ORTHO-APO TRIPLET
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Regular price From $12,399.00AUD
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TAKAHASHI TOA-150B ORTHO-APO TRIPLET
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Regular price From $25,699.00AUD
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TAKAHASHI TSA-120 APO TRIPLET
Very low stock (1 unit)

Regular price From $8,999.00AUD
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4% off

WILLIAM OPTICS PLEIADES 111 F/4.8 ASTROGRAPH
Backordered

Sale price $6,269.00AUD Regular price $6,499.00
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1% off

WILLIAM OPTICS PLEIADES 181 F/5.5 ASTROGRAPH
Backordered

Sale price $29,699.00AUD Regular price $29,999.00
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3% off

WILLIAM OPTICS PLEIADES 68 F/3.8 ASTROGRAPH
Backordered

Sale price $3,299.00AUD Regular price $3,399.00
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New arrival

ZWO FF110 f/7 APO REFRACTOR
In stock

Regular price $2,499.00AUD
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New arrival

ZWO FF131 f/7.5 APO REFRACTOR

Regular price $3,349.00AUD
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ZWO FF65 APO QUINTUPLET f/6.4
In stock

Regular price From $1,399.00AUD
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New arrival

ZWO FF70 f/7 APO REFRACTOR
Very low stock (1 unit)

Regular price $999.00AUD
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ZWO FF80 APO QUADRUPLET f/7.5
In stock

Regular price From $2,399.00AUD
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ZWO FF90 f/6.8 APO REFRACTOR
In stock

Regular price $1,649.00AUD

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