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Category

1. SALE (2)
2. Telescopes (9)
3. Mounts (1)
4. Solar (17)
5. Imaging (7)
6. Eyepieces (2)
7. Accessories (91)
8. Binos & Outdoor (7)

Manufacturer

1. APM Telescopes (1)
2. Astro-Physics (1)
3. Astrodon (35)
4. Astronomik (1)
5. Atik Cameras (6)
6. Baader Planetarium (16)
7. Bolle (2)
8. Canon (5)
9. Celestron (3)
10. Chroma Technology (19)
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12. Explore Scientific (5)
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16. Lunt Engineering (1)
17. Lunt Solar Systems (8)
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20. Optec (1)
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24. Rigel Systems (1)
25. Santa Barbara Instrument Group (SBIG) (1)
26. Shelyak Instruments (6)
27. Sony (3)
28. Starlight Xpress, LTD (4)
29. Takahashi (1)
30. TeleVue (3)
31. Ursa Major (4)
32. Vanguard (1)
33. Vixen (1)

Camera Model

1. Canon 1DX Mark III (1)
2. Canon 5D Mark IV (1)
3. Canon 70D (1)
4. Canon EOS M50 (2)
5. Nikon D7200 (3)
6. Sony a6400 (3)
7. Sony a7 (1)
8. Sony a7RII (1)

Sensor Size or Dimensions

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

Video Resolution

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

Color or Mono Sensor?

1. Monochrome (2)

Body/ Kit

1. Body (4)
2. Body + Kit (1)
3. Body + Lens (7)
4. Body + Lens + Kit (1)

Eyepiece Focal Length

1. 10.1mm - 20mm (2)
2. 20.1mm - 30mm (1)
3. 30.1mm - 40mm (2)
4. 5.1mm - 10mm (3)

For Filters Of What Size?

1. 1.25" Mounted (6)
2. 2" (50.8mm) Round Mounted (1)
3. 2" (50.8mm) Square Unmounted (1)
4. 28mm Unmounted (1)
5. 36mm Unmounted (2)

Filter Slots Available

1. 10 (2)
2. 20 (1)
3. 5 (3)
4. 7 (3)
5. 8 (4)
6. 9 (2)

Non-Solar Filter Size & Mounting

1. 1.25" - Mounted (16)
2. 31mm - Unmounted (3)
3. 36mm - Unmounted (3)
4. 50mm - Round (Mounted) (1)
5. 50mm - Round (Unmounted) (13)
6. 50mm - Square (Unmounted) (15)
7. 65mm - Square (Unmounted) (3)
8. Canon Clip (1)

Filter Type

1. Clear/Luminance (6)
2. Infrared (for UBVRI) (1)
3. Ultra Violet (for UBVRI) (1)
4. Color (12)
5. H-Alpha (Non-Solar) (1)

Filter Aperture

1. 2" - 4" (2)
2. 4.1" - 6" (2)
3. 6.1" - 8" (3)
4. 8.1" - 10" (1)
5. 10.1" - 12" (1)

Focuser Design

1. FeatherTouch (2)

Focuser Speed Ratio

1. 1:10 (1)

Focusing Mask Size

1. 6.1" - 9" (1)

What Type of Focus Accessory?

1. Focus Mask (4)
2. Focus Motor (1)
3. Focuser (2)

Lens Focal Length

1. 50-135mm Zoom (1)

Lens Type

1. Cinema (1)

Optical Design (Multi Select)

1. Achromatic Refractor (ED) (1)

Load Capacity

1. 0-15 lbs. (1)
2. 31-45 lbs. (5)
3. 76-90 lbs. (1)

Product Type

1. Bag / Case (5)
2. Lens (3)
3. Point & Shoot (3)
4. Pro Camera (5)
5. Tripod / Mount (1)

Design

1. Coma Corrector (1)
2. Field Flattener (1)
3. Reducer (3)
4. Telecompressor (1)

Aperture

1. 91mm or More (1)

Glasses Lens Type

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

Glasses Frame Size

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

Telescope Focal Length

1. 401mm - 800mm (1)

Adapter Length

1. 0mm - 10mm (1)
2. 10.1mm - 20mm (1)

Adapter Side A

1. EOS Mount (1)
2. Nikon F Mount (1)
3. T-Thread Female (2)

1. T-Thread Female (1)
2. T-Thread Male (1)

Flash Type

1. Built In Fixed (1)
2. Hot Shoe (1)

Still Image Resolution

1. 12MP (2)
2. 30.4MP (1)

Lens Mount

1. Canon EF (1)
2. Canon EF-M (2)
3. Fujifilm X (4)
4. Sony E (3)

Built In Wifi

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

Barrel Or Connection Size

1. 1.25" Barrel (2)
2. 2" Barrel (2)

Counterweight Weight

1. 0 - 2 Ibs (1)

Eyepiece Design

1. Wide Angle (1)

Eyepiece Eye Relief

1. Long: 16mm or More (5)
2. Moderate: 11mm - 15mm (3)

Eyepiece Field of View

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

Filter Wheel Control

1. Motorized (1)

Style of Filter Holder

1. Wheel (2)

Material

1. Film (9)

Focuser Size

1. 1.25" (1)
2. 2" (1)

Mount Electronics

1. Manual - No Electronics (1)
2. Fully Computerized GoTo (4)

Mount/Head Design

1. None - Optical Tube Only (1)
2. Tripod (1)
3. Equatorial (EQ) (4)
4. Dual AZ/EQ (1)

Frame Color

1. Crystal Pink & Grey (1)
2. Matte Black & Blue (2)

Frame Material

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

Tripod Material

1. aluminum (1)

Camera Color

1. Black (10)

Image Stabilization

1. Yes (4)

CCD Sensor

1. Kodak - KAF-8300 (2)

Eyepiece Special Feature

1. Argon Purged (1)
2. Waterproof (1)

On or Off Axis?

1. On Axis (9)

Lens Elements and Groups

1. 22 Elements - 17 Groups (1)

Includes GPS?

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

Mount Motor Type

1. Single Stepper Motor (1)
2. Dual Stepper Motors (2)

Size

1. Giant (Cannot Be Handheld) (1)

Best Used For

1. Astronomy (1)

Lens Material

1. Polycarbonate (4)

Tripod Max Height

1. 70" - 74.9" (1)

GPS Included?

1. Yes (2)