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Category

1. SALE (2)
2. Telescopes (15)
3. Mounts (9)
4. Solar (5)
5. Imaging (10)
6. Eyepieces (5)
7. Accessories (107)
8. Binos & Outdoor (4)

Manufacturer

1. ADM Accessories (1)
2. Astro Hutech (2)
3. Astro-Physics (1)
4. Astrodon (1)
5. Astronomik (31)
6. Atomos (1)
7. Avalon (1)
8. Baader Planetarium (8)
9. Benro (1)
10. Bolle (1)
11. Celestron (6)
12. Coronado (2)
13. Diffraction Limited (5)
14. Finger Lakes Instrumentation (4)
15. Fuji (1)
16. Imaging Source Astronomy Cameras (2)
17. Innovations Foresight (1)
18. Kendrick (3)
19. Losmandy (1)
20. Lunt Solar Systems (4)
21. Meade (7)
22. NexDome (1)
23. Nikon (2)
24. Officina Stellare (1)
25. Omegon (2)
26. Optec (7)
27. Orion (7)
28. Pacific Design (1)
29. PlaneWave Instruments (1)
30. PrimaLuceLab (1)
31. QHYCCD (14)
32. RoboFocus (2)
33. Santa Barbara Instrument Group (SBIG) (2)
34. Shelyak Instruments (6)
35. Sky-Watcher USA (5)
36. Skyhound (2)
37. Sony (1)
38. Starizona (1)
39. Starlight Instruments (1)
40. Starlight Xpress, LTD (2)
41. Stellarvue (4)
42. Takahashi (1)
43. Tamron (3)
44. Technical Innovations (1)
45. TeleVue (3)
46. Tenba (1)
47. William Optics (1)

Camera Model

1. Canon 1DX (1)
2. Canon T6i (2)
3. Canon T7i (6)
4. Leica SL (1)
5. Nikon D7200 (2)
6. Nikon D750 (1)
7. Sony a7II (1)
8. Sony a7RII (2)
9. Sony a9 (3)

Sensor Size or Dimensions

1. 1" (1)
2. 1/2.3" (3)

Video Resolution

1. 1080 HD (4)
2. 4K (3)

Color or Mono Sensor?

1. Color (2)

Body/ Kit

1. Body (7)
2. Body + Lens (9)
3. Body + Lens + Kit (2)

Eyepiece Focal Length

1. 0mm - 5mm (1)
2. 10.1mm - 20mm (1)
3. 20.1mm - 30mm (6)
4. 30.1mm - 40mm (1)
5. 5.1mm - 10mm (6)
6. Zoom Eyepiece (1)

For Filters Of What Size?

1. 1.25" Mounted (11)
2. 2" (50.8mm) Round Mounted (3)
3. 2" (50.8mm) Round Unmounted (2)
4. 2" (50.8mm) Square Unmounted (1)
5. 36mm Unmounted (9)

Filter Slots Available

1. 10 (1)
2. 5 (8)
3. 6 (2)
4. 7 (12)
5. 8 (3)
6. 9 (4)

Non-Solar Filter Size & Mounting

1. 1.25" - Mounted (3)
2. 2" - Mounted (5)
3. 28mm - Unmounted (3)
4. 31mm - Unmounted (5)
5. 36mm - Unmounted (7)
6. 50mm - Round (Mounted) (1)
7. 50mm - Round (Unmounted) (5)
8. 50mm - Square (Unmounted) (5)
9. 65mm - Square (Unmounted) (4)
10. Canon Clip (1)

Filter Type

1. Blue (for UBVRI) (1)
2. Clear/Luminance (5)
3. Color Correcting/ Violet Reduction (1)
4. Infrared (for UBVRI) (6)
5. Red (for UBVRI) (1)
6. UBVRI Filter Set (1)
7. UHC (1)
8. Ultra Violet (for UBVRI) (1)
9. Visual (for UBVRI) (1)
10. Color (1)
11. H-Alpha (Non-Solar) (4)
12. H-Beta (1)
13. Oxygen III (4)
14. Sky Glow/ City Light Suppression (4)
15. Sulfur II (3)

Focuser Design

1. Crayford (5)
2. FeatherTouch (1)
3. Secondary Mirror Focuser (1)
4. Stellarvue (1)

Focuser Speed Ratio

1. 1:10 (2)

What Type of Focus Accessory?

1. Focus Mask (2)
2. Focuser (10)

Lens Focal Length

1. 85mm Fixed (3)

Lens Type

1. Prime (3)

Optical Design (Multi Select)

1. Advanced Coma Free (ACF) (2)
2. Apalanatic Schmidt (EdgeHD) (1)
3. Dobsonian (1)
4. Newtonian (1)

Load Capacity

1. 0-15 lbs. (5)
2. 16-30 lbs. (4)
3. 46-60 lbs. (1)

Product Type

1. Bag / Case (18)
2. Lens (3)
3. Lighting (1)
4. Point & Shoot (1)
5. Tripod / Mount (11)

Design

1. Coma Corrector (5)
2. Extender (5)
3. Field Flattener (1)
4. Flattener/ Reducer (1)
5. Reducer (2)
6. Reducer/ Corrector (1)
7. Telecompressor (5)

Aperture

1. 30mm or Less (1)
2. 41mm to 50mm (1)

Magnification

1. 8x - 9x (1)
2. 10x - 10.5x (1)

Glasses Lens Type

1. No (1)
2. Yes (1)

Glasses Frame Size

1. Large (1)
2. Large/Medium (1)

Telescope Focal Length

1. 101mm - 400mm (1)
2. 401mm - 800mm (6)
3. 801mm - 1200mm (2)
4. 1601mm - 2000mm (1)
5. 2001mm - 3000mm (1)
6. 3001mm and Up (1)

Flash Type

1. Built In Fixed (3)
2. Built In Pop Up (1)

Still Image Resolution

1. 12MP (1)
2. 16MP (3)
3. 20MP (1)
4. 24MP (2)

Lens Mount

1. Canon EF-S (1)
2. Fujifilm G (1)
3. Nikon F (1)
4. Sony E (1)

Built In Wifi

1. Yes (7)

Barrel Or Connection Size

1. 1.25" Barrel (6)
2. 1.25"/ 2" Variable (2)
3. 2" Barrel (1)
4. 2" Threaded (1)

Dovetail Type

1. D Standard (1)

Eyepiece Design

1. Ethos (2)
2. Wide Angle (5)

Eyepiece Eye Relief

1. Long: 16mm or More (4)
2. Moderate: 11mm - 15mm (9)
3. Short: Less than 10mm (1)

Eyepiece Field of View

1. 100-120° FOV (4)
2. 80-99° FOV (5)
3. 60-79° FOV (4)
4. 40-59° FOV (3)

Filter Wheel Control

1. Manual (1)
2. Motorized (15)

Style of Filter Holder

1. Wheel (18)

Focuser Size

1. 2" (3)
2. 3" (1)

Lens Maximum Aperture

1. f/1.8 (3)

Lens Minimum Aperture

1. f/16 (3)

Minimum Focus Distance

1. 2 ft - 4 ft (3)

Mount Electronics

1. Manual - No Electronics (5)
2. Dual Drive Motorized (2)
3. Fully Computerized GoTo (6)

Mount/Head Design

1. None - Optical Tube Only (3)
2. Alt Azimuth (AZ) (7)
3. Equatorial (EQ) (2)
4. Dobsonian Cradle (2)

Prism Type

1. Porro (1)
2. Roof (1)

Features

1. Tripod Adapter (Built In) (1)
2. Water Proof/ Resistant (1)

Frame Color

1. Matte Black & Blue (1)
2. Shiny Red & Grey (1)

Frame Material

1. Acetate (1)
2. Nylon (1)

Bag or Case Features

1. Environment Proof (3)
2. Laptop/ Tablet Pocket (1)
3. Protective Feet (1)
4. Retractable Handle (1)
5. Waterproof (6)
6. Wheels (1)

Foam Included?

1. No (1)
2. Yes, Customizable (1)
3. Yes, Precut (4)

Bag or Case Height

1. 12" - 14" (1)
2. 9" - 11" (2)

Bag or Case Interior Length

1. 19" - 24" (2)
2. 31" - 36" (1)

Case or Bag Material

1. Ballistic Nylon (1)
2. Cordura Nylon (1)
3. Plastic (4)

Bag or Case Type

1. Hard Case (7)
2. Rolling Case (1)
3. Soft Carry Bag (1)

Bag or Case Width

1. 15" - 19" (2)
2. 25" - 29" (1)

Camera Color

1. Black (2)
2. Orange (3)

Image Stabilization

1. Yes (7)

CCD Sensor

1. Sony - ICX618 (2)

Eyepiece Special Feature

1. Fog Proof (4)
2. Nitrogen Purged (4)
3. Waterproof (4)

Lens Elements and Groups

1. 13 Elements - 9 Groups (3)

Lens Focus Type

1. Built in AF Motors (3)

Lens Format Coverage

1. APS-C (3)
2. Full-Frame (3)

Lens Special Features

1. SLR (3)
2. Telephoto (3)

Includes GPS?

1. No (4)

Size

1. Medium (1)

Best Used For

1. Astronomy (1)
2. Birding & Wildlife (1)

Lens Material

1. Polycarbonate (1)

GPS Included?

1. No (3)
2. Yes (4)