About the Mallincam VRC 10" Ritchey-Chretien OTA Telescope...
The Mallincam VRC 10" Ritchey-Chretien Optical Tube comes complete with a Electronics 4 pattern finder with variable intensitity control, Super Large 3" Linear Focuser with 2" and 1.25" adpater and 10:1 reduction speed focuser, lock screw, tension adjustment screw, Three fans to cool down the 99% reflective dielectric coated Quartz Mallincam Telescope mirror including the battery pack with DC plug (batteries not included), 3 spacers to mate between the focuser and optical tube to achieve perfect focus with any CCD Camera. Combine with a telescope mount and pair with a your choice of Mallincam Cameras for excellence in both still and video astrophotography!
The Mallincam VRC 10" Ritchey-Chretien Optical Tube comes complete with collimation screws and lock down screws to align optics perfectly. A feat not found on optical tubes of the same type. You also get collimation screws to align the 99% reflective dielectric coated secondary Quartz mirror for perfect collimation. There is also two Losmandy D type Dove tail on top and bottom of the Mallincam Telescope optical tube for solid rigid mounting.
The Mallincam VRC 10" Ritchey-Chretien Optical Tube comes complete with Carbon Fiber tube for zero expansion of the Mallincam Telescope optical tube. Coupled with both mirrors made of Quartz, the VRC 10 provide a temperature stable optical system that will keep its collimation and focus all night long.
Don''t forget... We carry many fine Mallincam Accessories, too!
Mallincam VRC 10" Ritchey-Chretien OTA Telescope Features...
- Carbon fiber tube construction for a temperature stable system and zero expansion
- Quartz mirrors for optical perfection
- Complete with collimation screws and lock down screws to align optics perfectly
- Features a Super Large 3" Linear Focuser
- Includes spacers to mate between the focuser and optical tube to achieve perfect focus with any ccd camera
- Lots of extras included!
Mallincam VRC 10" Ritchey-Chretien OTA Telescope Specifications...
Aperture: 254mm (10")
Focal Length: 2000mm
Focal Ratio: f/8
Optical Type: true Ritchey-Chrtien dual hyperbolic mirror reflector
Mirrors: low thermal expansion quartz, 99% reflectivity dielectric multicoatings
Secondary Mirror Holder Obstruction: 110mm (43% by diameter, 18.75% by area)
Optical Tube: Carbon Fiber
and machined composite front and rear cells
Field Stops: nine internal knife-edge baffles
Focuser: "linear bearing" 3.3" Crayford with dual-speed 10:1 reduction ratio fine focus; 2" and 1.25" compression ring accessory holders; 360 deg rotating camera angle adjuster
Focuser Travel: 2" (50.4mm) with 1/16th inch and millimeter scales on drawtube for repeatable focus
Back Focus: 9.25" (235mm) from rear cell, 5.5" (140mm) with focuser installed
Extension Rings (to adjust back focus): three total, two measuring 1" in length and one 2" in length
Tube Diameter: 11.75" (298mm) o. d.
Tube Length (without focuser): 24.75" (628mm)
Tube Length (with focuser): 28.25" (717mm)
Maximum Tube Length (with all three extension rings and focuser drawtube fully extended): 34.25" (870mm)
Tube Weight (without focuser): 32.15 lbs. (14.6 kg)
Tube Weight (with focuser): 34.4 lbs. (15.6 kg), add 6.4 oz. for each 1" extension and 14.4 oz. for 2"
Dovetail for Connection to Mount: 21" long
Losmandy-style "D-plate" dovetail
Dovetail for Mounting Accessories: 21" long
Losmandy-style "D-plate" dovetail
Finder: IncludedMallincam Product Number: VRC-10