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24 inch Ritchey-Chrétien Optical Tube Assembly Planewave

Original price was: $ 86.500,00.Current price is: $ 21.625,00.

SKU: mode_7115953504423 Category: Catadioptric Telescopes Tags: 2-inch-mirror-diagonal, delta-t-heater, dovetail-clamp-cdk17-and-20, efa-kit-electronic-focuser, finderscope-and-mounting-bracket, hedrick-focuser-200340, irf90-integrated-rotating-focuser-600180, l-600-direct-drive-mount, light-shroud-for-cdk-telescopes, mounting-bracket-for-finderscopes, piggyback-dovetail-bar, Planewave RC, RC, RC24", Ritchey-Chretien, telescope, visual-adapter-cdk20-24

Description
shopping

Shipping on this item will be quoted and billed separately. We will reach out to you to estimate a lead time and make shipping arrangements.

Description

Delta-T Ready – Now the RC24 comes standard with built-in dew heaters for both primary and secondary mirror. A $550 value!

Introducing the PlaneWave Instruments PW24-RC, a 24 inch (0.61 m) telescope with Ritchey-Chrétien optics. PlaneWave’s CDK astrographs have become the telescopes of choice for universities, industry, and astrophotographers around the world, and now PlaneWave offers the PW-RC series to meet the custom needs of the scientific community.

The PW24-RC in its native format (no field flattening lenses) uses only a primary and secondary mirror with reflective coatings. This can be useful when making observations primarily on-axis and wide field imaging is not a concern.

Features:

Ritchey-Chrétien (RC) Optics	Fused silica RC optics made by PlaneWave for excellent on-axis performance using only a hyperbolic primary and secondary mirror with no refractive optics in the light path.
Carbon Fiber Truss Design	Minimizes thermal expansion to prevent focus shift with changes in temperature.
Dovetail expansion joint	Accommodates the difference in thermal expansion between carbon fiber and aluminum. The expansion joint allows the aluminum dovetail to expand and contract without stressing the carbon fiber lower truss.
Cooling Fans	Three cooling fans blow out the back of the optical tube, pulling air through the telescope and past the primary mirror. This helps the telescope to reach thermal equilibrium quickly. The fans are controlled by a computer if the optional Electronic Focus Accessory (EFA Kit) is purchased.

Specifications

Optical System

Optical Design	Ritchey-Chrétien (RC)
Aperture	24 inch (610 mm)
Focal Length	6469 mm (254.68 inch)
Focal ratio	F/10.6
Central Obstruction	30% of the Primary Mirror Diameter
Back Focus from Mounting Surface	10.3 inch (261.6 mm)
Back Focus from Racked in Focuser	7.3 inch (185.4 mm)
Weight	240 lbs (108.9 kg)
OTA Length	56 inch (1,422 mm)
Upper Cage	Carbon Fiber Truss
Lower Cage	Carbon Fiber Truss with Aluminum Light Shroud
OTA Width	31 inch (787 mm)
OTA Height	35 inch (889 mm)

Secondary Mirror

Diameter	6.89 inch (175 mm)
Material	Fused Silica
Shape	Hyperbolic
Coating	Enhanced Aluminum – 96%

Primary Mirror

Optical Diameter	24 inch (610 mm)
Outer Diameter	24.5 inch (622 mm)
Shape	Hyperbolic
Material	Fused Silica
Coating	Enhanced Aluminum – 96%

Shipping

Crated Shipping Weight	500 lbs (226.8 kg)
Crate Width	40 inch (1,016 mm)
Crate Height	48 inch (1,219 mm)
Crate Length	78 inch (1,981 mm)

Included Items

CDK24 Focus Spacer (240343)	This 5.3″ long spacer may be installed between the backplate and the focuser to take up some of the CDK24’s extra backfocus and reduce the torque placed on the focuser mechanism. This spacer is sized such that the backfocus distance behind the focuser will match that of the CDK20.
Primary Mirror Cover	The Primary Mirror Cover protects the primary mirror.
Planewave thumb drive	Includes instructions for Collimation and Spacing and software.
12VDC Power Supply	Provides power for the fans (Not included for European Orders)
Wrench Set (5812A35)	English Hex Wrenches (European Orders Only)

Fast Shipping and Professional Packaging

Due to our longstanding partnership with UPS FedEx DHL as well as other major international carriers, we are able to provide various shipping options. Our warehouse personnel will pack each item according to our strict requirements. Before they are shipped, your goods will be thoroughly examined and secured. Everyday, we send to thousands of clients in different countries. This is a sign of our determination to become the largest online retailer globally. The warehouses and centers for distribution are in Europe, as well as the USA.

Note that orders containing more than one item will be processed according to the specific item.

Before shipping before shipping, we'll inspect thoroughly the items you've purchased. Most orders are delivered within 48 hours. The estimated delivery time is between 3 and 7 days.

Returns

The inventory is always changing and we do not fully manage it because of the fact that many parties are involved, including our warehouse and factory. Therefore, the actual inventory could change at any time. It's possible that your order will be unable to fill when you have placed the order.

Our policy is valid for 30 days. If 30 days have gone without a trace since the purchase and we are unable to offer an exchange or refund.

In order for your item to be returned it must be in its original packaging, unopened and in the same condition as when you received it in. It must also be in its original packaging.