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1. Telescopes (18)
2. Eyepieces & Barlows (19)
3. Mounts For Telescopes (21)
4. CCD & Photographic (25)
5. Telescope Accessories (17)
6. Products (92)

Aperture

1. 3" & Under (6)
2. 3.1" - 4"  (5)
3. 4.1" - 5"  (2)
4. 5.1" - 6"  (4)
5. 6.1" - 7"  (1)
6. 116mm & Up (1)

Barlow Magnification

1. 2x (1)

Barrel size for eyepieces and barlows

1. 1.25" (9)

Cables For Computers And Adapters

1. Cable (3)

CCD and Photographic

1. Camera Adapters (1)
2. Eyepiece Projection Photography (1)
3. Focal Reducer (1)
4. Focal Reducer and Field Flattener Combos (1)
5. Focuser Collimating Ring & Camera Angle Adjusters (3)
6. Misc. Takahashi Adapters (10)
7. Prime Focus Photography (1)
8. T-Adapters (1)
9. T-Rings For Takahashi (7)

Eyepiece Field of View Range

1. up to 50° (7)
2. 51°-60° (1)

Eyepiece Focal Length

1. 5.1mm-7mm (1)
2. 7.1mm-10mm (2)
3. 13.1mm-16mm (1)
4. 16.1mm-19mm (1)
5. 19.1mm-21mm (2)
6. 24.1mm-27mm (1)

Eyepiece Series

1. Takahashi Long Eye Relief (1)
2. Takahashi Starbase Kellner (2)
3. Takahashi Starbase Ortho (5)

Eye Relief

1. 10mm - 12mm  (1)
2. 13mm - 15mm  (3)
3. 16mm - 18mm  (1)
4. 9mm or Less  (3)

Finderscope Types

1. Finder Brackets, Rings & Bases  (2)
2. Illuminators  (1)
3. Straight-Through Optical Finders  (3)

Focal Ratio

1. f/14.1 - f/15.0  (1)
2. f/2.1 - f/4.0  (2)
3. f/4.1 - f/6.0  (3)
4. f/6.1 - f/8.0  (9)
5. f/8.1 - f/10.0  (4)

Optical Tube Rings and Tube Holders

1. 115mm-150mm (1)
2. 151mm and Up (1)
3. 4.1" - 6" (1)
4. 6.1" and Larger (1)
5. 91mm to 114mm (2)
6. Up to 4" (3)
7. Up to 90mm (2)

Power Supplies and Accessories

1. AC Adapter (1)

Telescopes

1. Manual (1)
2. Non-Computerized (1)
3. Optical Tube (17)

Telescope and Mount Counterweights

1. Counterweight  (8)

Telescope Collimating Tools

1. Cheshire/Light Tubes (2)
2. Collimation Eyepieces  (1)
3. Collimator Accessories  (2)

Telescope Mounts

1. Tripods, Piers, and Tri-Stands (3)

Telescope Mount Type

1. Alt-Azimuth (1)
2. No Mount Optical Tube Only (17)

Telescope Series

1. Takahashi Epsilon (2)
2. Takahashi FC (6)
3. Takahashi FS (3)
4. Takahashi FSQ (2)
5. Takahashi Starbase (1)
6. Takahashi TOA and TSA (4)

Telescope Type

1. Astrograph Telescopes (4)
2. Optical Tube Assemblies (6)
3. Refractor Telescopes (16)

Types Of Barlows

1. Barlow (1)

Visual Accessories

1. Diagonals (3)
2. Eyepiece Adapters & Extension Tubes (6)
3. Finders & Accessories  (1)

Weight Of A Counterweight

1. 10.1 lbs. - 20 lbs. (3)
2. 5 lbs. And Under (4)
3. 5.1 lbs. - 10 lbs. (1)

Price

1. $0.00 - $9,999.99 (96)
2. $10,000.00 and above (1)