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Focusing Aids

19 Items
AstroZap Aluminum Bahtinov Focus Mask for 139 mm - 216 mm OD Telescopes - Full Aperture

Astrozap Full Aperture Aluminum Bahtinov Focus Mask for 5.5" to 8.5" OD Telescopes - AZ502

SKU: AZP-AZ502
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 5.5" & 8.5" (139.7 mm & 215.9 mm)
$28.00
 
AstroZap Bahtinov Focusing Mask for 8.5" - 11.5" Outside Diameter Telescopes

AstroZap Full Aperture Aluminum Bahtinov Focus Mask for 8.5" - 11.5" OD Telescopes - AZ503

SKU: AZP-AZ503
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 8.5" & 11.5" (215.9 mm & 292.1 mm)
$44.00
 
AstroZap Bahtinov Full Aperture Focusing Screen for 14.5" - 17.5" OD Telescopes

AstroZap Full Aperture Aluminum Bahtinov Focus Mask for 14.5" - 17.5" OD Telescopes - AZ505

SKU: AZP-AZ505
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 14.5" & 17.5" (368.3 mm & 444.5 mm)
$72.00
 
AstroZap Bahtinov Focusing Screen for 2.5" - 5.5" Outside Diameter Optical Tubes

AstroZap Full Aperture Aluminum Bahtinov Focus Mask for 2.5" - 5.5" OD Telescopes - AZ501

SKU: AZP-AZ501
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 2.5" & 5.5" (63.5 mm & 139.7 mm)
$24.00
 
Astrozap Full Aperture Bahtinov Focusing Mask for 11.5" - 14.5" Outside Diameter Telescopes

AstroZap Full Aperture Aluminum Bahtinov Focus Mask for 11.5" - 14.5" OD Telescopes - AZ504

SKU: AZP-AZ504
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 11.5" & 14.5" (292.1 mm & 368.3 mm)
$68.00
 
Astrozap Focusing Cap for 11" to 11.7" OD Optical Tubes - Open Position

AstroZap Focusing Cap for 10" SCT's - AZ410

SKU: AZP-AZ410
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 11" & 11.7" (280 mm & 298 mm), 10" Schmidt-Cassegrain Telescopes
$62.00
 
AstroZap Focusing Cap for ETX 90 - AZ-402 - Open Position

AstroZap Focusing Cap for ETX 90 - AZ-402

SKU: AZP-AZ-402
  • Focus Masks & Caps Known to Fit: Telescope w/ Diameter Between 90 mm & 100 mm (3.54" & 3.93"), Meade ETX 90
$25.00
 
AstroZap Focusing Cap for ED 80 - AZ-403 - Open Position

AstroZap Focusing Cap for ED 80 - AZ-403

SKU: AZP-AZ-403
  • Focus Masks & Caps Known to Fit: Telescopes w/ Diameter Between 101 mm & 110 mm (3.97" & 4..3"), Explore Scientific ED 80
$30.00
 
AstroZap Focusing Cap for ETX 105 - AZ-404 - Open Position

AstroZap Focusing Cap for ETX 105 - AZ-404

SKU: AZP-AZ-404
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 110 mm & 120 mm (4.33" & 4.72"), Meade ETX 105
$35.00
 
AstroZap Focusing Cap for ETX 125 - AZ-405 - Open Position

AstroZap Focusing Cap for ETX 125 - AZ-405

SKU: AZP-AZ-405
  • Focus Masks & Caps Known to Fit: Telescopes w/ Diameter Between 136 mm & 146 mm (5.35" & 5.75"), Meade ETX 125
$40.00
 
AstroZap Focusing Cap for ETX 125 - AZ-405 - Open Position

AstroZap Focusing Cap 130mm - AZ-406

SKU: AZP-AZ-406
  • Focus Masks & Caps Known to Fit: Telescopes w/ Diameter Between 155 mm & 165 mm (6.1" & 6.49")
$45.00
 
AstroZap Focusing Cap for 120mm - AZ-407 - Open Position

AstroZap Focusing Cap 152mm - AZ-407

SKU: AZP-AZ-407
  • Focus Masks & Caps Known to Fit: Telescopes w/ Diameter Between 193 mm & 204 mm (7.6" & 8.03")
$50.00
 
Astrozap Focusing Cap for 8" SCTs - Open Position

AstroZap Focusing Cap for 8" SCT's - AZ-408

SKU: AZP-AZ-408
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 216 mm & 231 mm (8.5" & 9.1"), 8" Schmidt-Cassegrain Telescopes
$50.00
 
Astrozap Focusing Cap for 9" SCTs - Open Position

AstroZap Focusing Cap for 9" SCT's - AZ-409

SKU: AZP-AZ-409
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 247 mm & 266 mm (9.72" & 10.47"), 9" Schmidt-Cassegrain Telescopes
$56.00
 
Astrozap Focusing Cap for 10" LXD 75 Meade - Open Position

AstroZap Focusing Cap for 10" LXD 75 Meade- AZ-411

SKU: AZP-AZ-411
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 280 mm & 304 mm (11" & 11.97"), Meade 10" LXD 75
$64.00
 
Astrozap Focusing Cap for 11" SCTs - AZ-412 - Open Position

AstroZap Focusing Cap for 11" SCT's - AZ-412

SKU: AZP-AZ-412
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 298 mm & 316 mm (11.73" & 12.44"), 11" Schmidt-Cassegrain Telescopes
$64.00
 
Astrozap Focusing Cap for 12" SCTs - AZ-413 - Open Position

AstroZap Focusing Cap for 12" SCT's - AZ-413

SKU: AZP-AZ-413
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 330 mm & 342 mm (13" & 13.46"), 12" Schmidt-Cassegrain Telescopes
$66.00
 
Astrozap Focusing Cap for 14" SCTs - Open Position

AstroZap Focusing Cap for 14" SCT's - AZ-414

SKU: AZP-AZ-414
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 395 mm & 405 mm (15.55" & 15.94"), 14" Schmidt-Cassegrain Telescopes
$69.00
 
Astrozap Focusing Cap for 6" SCTs - AZ-423 - Open Position

AstroZap Focusing Cap for 6" SCT's - AZ-423

SKU: AZP-AZ-423
  • Focus Masks & Caps Known to Fit: Telescopes w/ Outside Diameter Between 180 mm & 190 mm (7.08" & 7.48"), 6" Schmidt-Cassegrain Telescopes
$45.00