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Astrophotography Deal - Celestron 11" RASA - $1000 Off - Now Only $2595 - Limited Quantity On Hand

Telescope Accessories & Parts

18 Items

Atik Off-Axis Guider - ATK0070

SKU: ATK-ATK0070
  • With this Atik Off-Axis Guider and its precise fine-focus system, you can create your own optimal guiding system.
  • Three different extension ring lengths allow this OAG to reach focus using a wide variety of imaging cameras.
  • Moving prism helps with selecting the star best suited for your guiding needs.
  • Weighing in at 6.35 ounces, the Atik Off-Axis Guider has a 54 mm clear aperture.
  • Compatible with sensors sizes up to full frame 35 mm
$227.00
Celestron Off-Axis Guider

Celestron Off Axis Guider - 93648

SKU: CEL-93648
  • For astrophotography applications, an Off-Axis Guider such as this particular unit from Celestron is an essential accessory because it makes heavy guide scopes unnecessary.
  • Allows the same scope to be used for both imaging and guiding.
  • Eliminates flexure, mirror flop, and other tracking issues.
  • Features an independent 360º camera and telescope rotation controls.
  • Compatible with any T-thread or 48 mm filter wheel.
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$259.95 $233.95

Baader Off-Axis Guider for RCC Newton Coma Corrector - GUIDER

SKU: BAD-GUIDER
  • This Baader Planetarium Off-Axis Guider is specifically designed for use with the RCC-I Coma Corrector.
  • With a body measuring 36.5 mm in length, backfocus is set at the theoretical required distance of 91.5 mm for the RCC-I.
  • This OAG combined with a Baader t-ring and crossaim eyepiece or guider enables "Off-Axis" guiding with DSLR cameras without having to use extra rings or extensions.
  • Axial and radial guidestar are conveniently adjustable without having to loosen the main camera connection.
  • Suitable for use with 1.25" autoguiders and guiding eyepieces.
$189.00

ZWO OAG Off-Axis Guider - OAG - Used - SOLD

SKU: UEQ-11633-ZWO-OAG
  • This ZWO OAG Off-Axis Guider includes several adapters for connecting your guide camera to your imaging camera.
  • Allows simultaneous guiding and imaging without a guide scope.
  • Made of durable black anodized machined aluminum, the ZWO OAG is compatible with all ZWO ASI cameras.
  • Measuring 16.5 mm in thickness, this lightweight OAG features a large 8 mm x 8 mm prism.
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$128.00 $89.00

Celestron Off Axis Guider - 93648 - Used - SOLD

SKU: UEQ-11736-CEL-93648
  • For astrophotography applications, an Off-Axis Guider such as this particular unit from Celestron is an essential accessory because it makes heavy guide scopes unnecessary.
  • Allows the same scope to be used for both imaging and guiding.
  • Eliminates flexure, mirror flop, and other tracking issues.
  • Features an independent 360º camera and telescope rotation controls.
  • Compatible with any T-thread or 48 mm filter wheel.
$259.95 $205.00

ZWO OAG Off-Axis Guider - OAG - Used - SOLD

SKU: UEQ-11560-ZWO-OAG
  • This ZWO OAG Off-Axis Guider includes several adapters for connecting your guide camera to your imaging camera.
  • Allows simultaneous guiding and imaging without a guide scope.
  • Made of durable black anodized machined aluminum, the ZWO OAG is compatible with all ZWO ASI cameras.
  • Measuring 16.5 mm in thickness, this lightweight OAG features a large 8 mm x 8 mm prism.
$128.00 $88.00
Baader Planetarium Off-Axis Guider for Flip Mirror II

Baader Planetarium Flip Mirror II Off-Axis Guider - BFM-OAG

SKU: BAD-BFM-OAG
  • This Baader Planetarium Off-Axis Guider has been designed for the purpose of directly connecting to the Flip Mirror II Star Diagonal.
  • Allows an autoguider camera that is compatible with every mirror position to be attached to the Flip Mirror II.
  • Requires 24 mm back focus.
  • This is the only prism capable of being tuned so that a particular star is actively centered on the guiding chip.
$114.00

ZWO M68 Off-Axis Guider - M68-OAG

SKU: ZWO-M68-OAG
  • This ZWO Off-Axis Guider is lightweight with its 17.5mm thickness.
  • The M68 Off-Axis Guider is compatible with the ASI6200MM Pro Camera and ASI mini camera only.
  • The prism helps with selecting the star best suited for your guiding needs.
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$199.00

Orion Deluxe Off-Axis Guider for Astrophotography - 05521

SKU: ORI-05521
  • In order to simultaneously image and guide using the same telescope without an independent guide scope, you need this Orion Deluxe Off-Axis Guider.
  • By not having to use a separate guide scope, tracking issues such as differential flexure and mirror shift are eliminated while overall weight and setup time are reduced.
  • Suitable for use with autoguiders that have T-threads or a 1.25” nosepiece, along with 1.25” illuminated reticle eyepieces.
  • Includes a 2” nosepiece for attaching to any 2” telescope focuser, or any rear cell equipped with T-threads.
  • Three T-extensions of varying lengths (7 mm, 17 mm, and 30 mm) are also included to comply with different combinations of cameras and guiders.
  • Easily locate a guide star with prism tilt adjustment and over 100 degrees of radial adjustment.
$99.99 $84.99

Orion Thin Off-Axis Guider For Astrophotography - 05531

SKU: ORI-05531
  • This Orion OAG is a elegantly thin Off-Axis Guider optimally suited for use with Newtonian reflector telescopes and DSLR cameras.
  • Permits simultaneous imaging and guiding via a single telescope without requiring a separate guide scope.
  • With only 10.5 mm of thickness, this Orion Off-Axis Guider is a perfect match for telescopes with restricted back focus travel like Newtonian reflectors.
  • This OAG's thin profile keeps it from meddling with the use of coma correctors.
  • Fixes any existing flexures preventing accurate guiding and tracking.
$129.99 $110.49
Starlight Xpress Slimline OAG

Starlight Xpress Slimline OAG for USB Filter Wheel with Lodestar - SLFW-OAG

SKU: SLX-SX-SLFW-OAG
  • This Starlight Xpress Ultra Slimline OAG attaches directly to the SX USB Filter Wheel for enhanced guiding accuracy with no flexure.
  • Contributes only 13 mm to the focus wheel's back focus distance.
  • The Ultra Slimline OAG is expressly designed for use with the Starlight Xpress USB Filter Wheel and either the Lodestar, SXV, or SXV-EX autoguider.
  • Adjustable pick-off prism axis helps to maximize guide image quality.
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$230.00
Slimline OAG with Extension Tube

Starlight Xpress Slimline OAG & Extension Tube - SX-UOAG

SKU: SLX-SX-UOAG
  • This Starlight Xpress Ultra Slimline Off-Axis Guider attaches directly to the SX USB Filter Wheel for enhanced guiding accuracy with no flexure.
  • Contributes only 13 mm to the focus wheel's back focus distance.
  • The Ultra Slimline OAG is expressly designed for use with the Starlight Xpress USB Filter Wheel and either the Lodestar, SXV, or SXV-EX autoguider.
  • Adjustable pick-off prism axis helps to maximize guide image quality.
  • Comes with a 30 mm extension tube for modifying the back focus distance when using other cameras.
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$250.00

Atik One OAG Off-Axis Guider - ATK0132

SKU: ATK-ATK0132
  • Even though the Atik One Off-Axis Guider is slightly smaller, it still retains all of the features of the original Atik OAG.
  • This easy-to-use Off-Axis Guider is optimally suited for use in conjunction with the separately available Atik GP Guide Camera.
  • Adjustable pickup prism compensates for telescope type variation.
  • The Atik One OAG features a fast, exceptionally smooth, and easily adjustable focusing mechanism.
  • Offers 5 mm of travel distance to allow optional guide cameras to be focused without difficulty.
$186.00
ZWO OAG with updated set screws

ZWO OAG Off-Axis Guider - OAG

SKU: ZWO-OAG
  • This ZWO OAG Off-Axis Guider includes several adapters for connecting your guide camera to your imaging camera.
  • Allows simultaneous guiding and imaging without a guide scope.
  • Made of durable black anodized machined aluminum, the ZWO OAG is compatible with all ZWO ASI cameras.
  • Measuring 16.5 mm in thickness, this lightweight OAG features a large 8 mm x 8 mm prism.
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$128.00
QHY OAG Off-Axis Guider - Small

QHY OAG Off-Axis Guider - Small - OAG-S

SKU: QHY-OAG-S
  • Measuring 54 mm in diameter, this QHY Off-Axis Guider is the small version that supports camera models that use sensors smaller than the APS-C, including the QHY21/22/23, QHY9, and QHY8/10/12.
  • This small QHY OAG accepts M42 threaded adapters only.
  • All QHY OAGs are 10 mm thick without adapters installed, with each containing six 3 mm holes.
  • Despite their differences in telescope/camera interface diameters, all QHY Off-Axis Guiders have identical main bodies, including the prism.
  • For a wide back focus range, the QHY OAG offers an adjustable multi-coated prism as well as an adjustable locking multi-thread 1.25" focuser for those using the QHY5L-II as their guide camera.
  • Connects directly to the QHY90A and QHY695A cameras as well as the QHYCFW2-S filter wheel, no camera side adapter required.

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$180.00
QHY OAG Off-Axis Guider - Medium

QHY OAG Off-Axis Guider - Medium - OAG-M

SKU: QHY-OAG-M
  • Measuring 62 mm in diameter, this QHY Off-Axis Guider is the medium version that works best with cameras that have APS-C, APS-H, and 36x24 sensor sizes.
  • This medium QHY OAG accepts both M42 and M54 threaded adapters on the telescope side as well as the camera side.
  • All QHY OAGs are 10 mm thick without adapters installed, with each containing six 3 mm holes.
  • Despite their differences in telescope/camera interface diameters, all QHY Off-Axis Guiders have identical main bodies, including the prism.
  • For a wide back focus range, the QHY OAG offers an adjustable multi-coated prism as well as an adjustable locking multi-thread 1.25" focuser for those using the QHY5L-II as their guide camera.
  • Connects directly to the QHY16200A camera and QHYCFW2-M filter wheel, no camera adapter required.
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$230.00
Large Version of QHY OAG (OAG-S in front)

QHY OAG Off-Axis Guider - Large - OAG-L

SKU: QHY-OAG-L
  • Measuring 68 mm in diameter, this QHY Off-Axis Guider is the large version that works best with large sensor cameras that such as the QHY(IC)16803.
  • All QHY OAGs are 10 mm thick without adapters installed, with each containing six 3 mm holes.
  • Despite their differences in telescope/camera interface diameters, all QHY Off-Axis Guiders have identical main bodies, including the prism.
  • For a wide back focus range, the QHY OAG offers an adjustable multi-coated prism as well as an adjustable locking multi-thread 1.25" focuser for those using the QHY5L-II as their guide camera.
  • Connects directly to the QHYCFW2-L large color filter wheel, no camera side adapter required.
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$280.00

Starlight Xpress Slimline OAG for Trius Cameras without a Filter Wheel - SXVR-OAG

SKU: SLX-SXVR-OAG
  • Starlight Xpress Slimline Off-Axis Guider for Trius imaging cameras with no filter wheel.
  • Attaches directly to the Starlight Xpress USB Filter Wheel for enhanced guiding accuracy without flexure.
  • Includes a 20 mm extension tube and both male and female T-thread adapters.
  • The Ultra Slimline OAG is expressly designed for use with the Starlight Xpress USB Filter Wheel and either the Lodestar, SXV, or SXV-EX autoguider.
  • Adjustable pick-off prism axis helps to maximize guide image quality.
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$350.00 $280.00