Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar
Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar

William Optics

Open Box RedCat 51mm f/4.9 II-U with Uniguide 32 and Handlebar

SKU: OB2411-L-RC51II-U + M-G32PB-RD + M-HCRC-RD


  • Sale
  • $799.95
  • $1,032.00

Yes, our inventory is accurate!

See It In Person - On Display In Our Showroom!

Qualifies for Free Ground Economy Shipping (CONUS Only)

Not Returnable Please note that used items are not returnable.

This is an Open Box return of a RedCat with the Uniguide 32 guidescope and RedCat Handlebar.  The previous owner set it up once, then the MiniCat 51 came out, and he returned this one for that.  There are tiny, TINY marks on the guidescope dovetail that you have to look very closely to see.  See the photos.  There are no such marks on the RedCat's dovetail itself or anywhere else on it, for that matter, and of course, everything else - including, of course, the optics - about all three of these items is in perfect, pristine condition. 

This is over $1000 of equipment for just $799.95:  Over $200 in savings!  

 

 

  

Mark 2.5 RedCat (2023) with upgraded angle tilt adjuster. This has now been replaced with the WIFD variant, so once these sell out, they are gone. We still consider this version to be a superior choice for a lightweight package with a camera tracker mount like the iOptron SkyGuider Pro or SkyWatcher GTI. (The WIFD variant is two pounds heavier, and better suited for use with a focus motor for a more automated setup.)

Probably the very sharpest 250mm camera lens you will find!

  • Newest version (including integral angle adjuster, cat paw scope clamp, DSD dovetail bar, and focus tensioner)
  • 51mm quadruplet ED APO f/4.9 (250mm fl)
  • FPL53 & FPL51 glass 
  • 3.2 lbs tube weight.
  • >43mm imaging circle with a flat field edge to edge for full-frame sensors
  • Dual Vixen and Arca Swiss Dovetail
  • M48 thread to accept wide t-rings/t-mounts

The best value, highest quality 250mm lens you will find for your camera.

51 mm lens, in a sleek Petzval design, using Synthetic Fluoride (FPL53 and FPL51) glass for a full-frame flat field image. The optical quality provides exceptional performance at a fast focal ratio of f/4.9. 

Filter Adapter allows use of 48mm filters. Focusing is made easy with a bahtinov mask integrated into the lens cap. 

 

Aperture 51 mm (2")
Camera/Eyepiece Connection Male M48x0.75
Dawes Limit 0.46 arcseconds
Focal Length 250 mm
Focal Ratio f/4.9
Glass Type FPL-53 and FPL-51
Highest Useful Magnification 102x
Light Gathering Power 53x
Limiting Magnitude 12.3
Optical Design Petzval
Tube Color Red
Tube Diameter 51mm
Tube Weight 3.2 lbs
Dew Shield Outer Diameter (for soar filter sizing) 80.5mm

 


  • RedCat 51mm Telescope
  • Bahtinov Mask Cap
  • 210mm Dovetail
  • Upgraded Mount Ring (with cat paw logo)
  • Soft Carry Case

 

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