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- 39mm 4 items
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- Canon EOS 1D 1 item
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- Open Box - Product is Not Used But Has Been Shipped Previously Or Opened 1 item
- Demo - Very Light Signs of Use or Wear 2 items
- Like New - No Obvious Signs of Use or Wear 2 items
- Excellent - Some Slight Signs of Typical Use or Wear 31 items
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- Fair - Signs of Heavy Use, Missing Parts or Major Blemishes 6 items
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- Askar 5 items
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- Leica 34 items
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- Lunt Solar Systems 73 items
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- Minolta 1 item
- Nikon 197 items
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- Optec 3 items
- Orion 5 items
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- Pentax 12 items
- Photogenic 1 item
- PrimaluceLab 3 items
- Promaster 4 items
- QHYCCD 7 items
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- Ricoh 4 items
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- Shelyak Instruments 5 items
- Sigma 35 items
- Sirui 93 items
- SkyShed 1 item
- Sky-Watcher USA 6 items
- Sony 76 items
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- Starlight Instruments 1 item
- Starlight Xpress 1 item
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- Swarovski 33 items
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- Thousand Oaks Optical 39 items
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- ZWO 2 items
- Discontinued 575 items
- WHCT 11 items
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- Supermount 1 item
- Astronomy Product Series
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- Antlia Narrowband 19 items
- Antlia V-Series LRGB 4 items
- Baader AstroSolar 2 items
- Coronado PST 2 items
- GPO Passion ED 2 items
- iOptron CEM40 5 items
- PrimaLuceLab Eagle 8 items
- PrimaLuceLab Sesto Senso 1 item
- QHYCCD 5II 1 item
- ZWO ASI174 1 item
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- ZWO EFW 1 item
- Software Bisque ME II 1 item
- Software Bisque MX+ 1 item
- Lunt Solar LS40 3 items
- Lunt Solar LS60 Modular 5 items
- Lunt Solar LS80 Modular 6 items
- Lunt Solar LS100 Modular 11 items
- Lunt Solar LS130 Modular 4 items
- Lunt Solar LS152 1 item
- Adapter Length
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- #01 Super White 3 items
- #02 Sky Blue 3 items
- #03 Coral 3 items
- #04 Sand 2 items
- #05 Ultramarine 3 items
- #06 Crimson 3 items
- #08 Primary Red 3 items
- #09 Stone Gray 2 items
- #12 Studio Gray 2 items
- #16 Chestnut 4 items
- #18 Evergreen 4 items
- #19 Egg Nog 4 items
- #20 Black 4 items
- #24 Orange 3 items
- #25 Beige 2 items
- #26 Slate Gray 4 items
- #27 Thunder Gray 4 items
- #29 Orchid 4 items
- #30 Gulf Blue 3 items
- #31 Blue Jay 4 items
- #34 Olive Green 4 items
- #35 Holly 2 items
- #37 Tulip 3 items
- #38 Canary 3 items
- #40 Mint Green 3 items
- #41 Bluemist 4 items
- #43 Marmalade 3 items
- #46 Tech Green 3 items
- #47 Baby Blue 4 items
- #50 White 3 items
- #51 Bone 4 items
- #53 Pecan 3 items
- #56 Fashion Gray 4 items
- #57 Gray Tint 4 items
- #58 Studio Blue 3 items
- #60 Focus Gray 4 items
- #61 TV Gray 2 items
- #62 Purple 2 items
- #63 Ivory 2 items
- #64 Blue Jean 3 items
- #65 Regal Blue 2 items
- #66 Pure White 4 items
- #67 Ruby 3 items
- #68 Teal 3 items
- #70 Storm Gray 5 items
- #71 Deep Yellow 3 items
- #74 Smoke Gray 3 items
- #75 True Blue 3 items
- #76 Mocha 3 items
- #79 Almond 3 items
- #80 Cocoa 4 items
- #81 Rustic 3 items
- #82 Tangelo 3 items
- #83 Turquoise 3 items
- #91 Plum 2 items
- #92 Flamingo 3 items
- #93 Lemonade 4 items
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- Color or Monochrome Camera?
- Eyepiece Focal Length
- Mounted/ Unmounted
- Filter Type
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- Solar - H-Alpha 16 items
- Solar - Calcium K 5 items
- Solar - Sodium D 1 item
- Solar Continuum 2 items
- Solar - White Light - GlassSolar - White Light - Film 38 items
- Filter Sets 48 items
- H-Alpha (Non-Solar) 46 items
- H-Beta 3 items
- OIII 44 items
- SII 38 items
- Color 1 item
- Contrast Booster 13 items
- Light Pollution Supression 32 items
- Nebula 3 items
- IR Pass 11 items
- Polarizer/Variable Polarizer 40 items
- UV Cut 1 item
- UVIR Cut 7 items
- Clear/ Luminance 3 items
- UV 11 items
- Neutral Density 56 items
- Black and White Contrast 3 items
- Special Effect 5 items
- Enhancing/Warming 2 items
- Soft Focus 12 items
- Photometric 24 items
- Highspeed (Faster than f/3) 25 items
- Energy Rejection 17 items
- Lens Mount
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- Sports Optics Aperture
- Sports Optics Magnification
- Telescope Aperture
- Telescope Mount Type
- Lens Mount
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- Canon EF 31 items
- Canon EF-S 4 items
- Canon RF 30 items
- Fujifilm G 12 items
- Fujifilm X 22 items
- Leica L 12 items
- Leica M 3 items
- Leica S 7 items
- Nikon AF 8 items
- Nikon AF-S 5 items
- Nikon F 25 items
- Nikon Z 39 items
- Pentax AF 1 item
- Pentax K 1 item
- Sony Alpha 3 items
- Sony E 24 items
- Fujifilm XF 2 items
- Case Type
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- Eyepiece Design
- Eyepiece Eye Relief
- Eyepiece Barrel Size
- Eyepiece Apparent Field of View
- On Axis/ Off Axis
- Filter Shape
- Filter Size
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- 31mm 10 items
- 36mm 11 items
- 50mm 30 items
- 1.25" 37 items
- 2" 23 items
- 6.1" - 8" 5 items
- 20mm - 30mm 1 item
- 31mm - 40mm 4 items
- 41mm - 50mm 7 items
- 51mm - 60mm 31 items
- 61mm - 70mm 22 items
- 71mm - 80mm 29 items
- 81mm - 90mm 16 items
- 91mm - 100mm 5 items
- 101mm - 110mm 5 items
- 111mm and Larger 39 items
- EOS Clip 28 items
- EOS XL Clip 34 items
- Nikon Clip 13 items
- Pentax K-1 Clip 3 items
- Sony Alpha 7 Clip 13 items
- T Mount 1 item
- SC Rear Cell 1 item
- Flash External Power Pack Compatible
- Focuser Type
- For Telescopes Sized
- GPS
- Photographic Head Design
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- Sports Optics Feature (Multi Select)
- Telescope Focal Length
- Telescope Focal Ratio
- Telescope Lens Type
- Telescope Mount Support
- Counterweight Weight
- Diaphragm Blades
- Encoder Type?
- Eyepiece Special Features
- Flash Internal Power
- Lens Elements and Groups
-
- 10 Elements - 7 Groups 4 items
- 10 Elements - 8 Groups 4 items
- 10 Elements - 9 Groups 7 items
- 11 Elements - 10 Groups 1 item
- 11 Elements - 8 Groups 6 items
- 11 Elements - 9 Groups 9 items
- 12 Elements - 10 Groups 17 items
- 12 Elements - 8 Groups 1 item
- 12 Elements - 9 Groups 12 items
- 13 Elements - 10 Groups 5 items
- 13 Elements - 11 Groups 4 items
- 13 Elements - 8 Groups 1 item
- 13 Elements - 9 Groups 5 items
- 14 Elements - 10 Groups 6 items
- 14 Elements - 11 Groups 10 items
- 14 Elements - 12 Groups 3 items
- 14 Elements - 9 Groups 3 items
- 15 Elements - 10 Groups 6 items
- 15 Elements - 11 Groups 4 items
- 15 Elements - 12 Groups 4 items
- 15 Elements - 13 Groups 3 items
- 15 Elements - 9 Groups 1 item
- 16 Elements - 10 Groups 1 item
- 16 Elements - 11 Groups 6 items
- 16 Elements - 12 Groups 14 items
- 16 Elements - 13 Groups 11 items
- 16 Elements - 14 Groups 1 item
- 17 Elements - 10 Groups 1 item
- 17 Elements - 11 Groups 1 item
- 17 Elements - 12 Groups 9 items
- 17 Elements - 13 Groups 7 items
- 17 Elements - 15 Groups 2 items
- 17 Elements - 24 Groups 1 item
- 18 Elements - 12 Groups 2 items
- 18 Elements - 13 Groups 1 item
- 18 Elements - 14 Groups 2 items
- 19 Elements - 11 Groups 1 item
- 19 Elements - 12 Groups 2 items
- 19 Elements - 13 Groups 2 items
- 19 Elements - 14 Groups 6 items
- 19 Elements - 15 Groups 4 items
- 20 Elements - 12 Groups 1 item
- 20 Elements - 13 Groups 3 items
- 20 Elements - 14 Groups 3 items
- 20 Elements - 15 Groups 2 items
- 20 Elements - 16 Groups 1 item
- 21 Elements - 13 Groups 2 items
- 21 Elements - 15 Groups 2 items
- 21 Elements - 16 Groups 1 item
- 22 Elements - 16 Groups 1 item
- 22 Elements - 17 Groups 1 item
- 22 Elements - 18 Groups 1 item
- 23 Elements - 17 Groups 2 items
- 23 Elements - 18 Groups 1 item
- 23 Elements - 19 Groups 2 items
- 24 Elements - 18 Groups 2 items
- 24 Elements - 22 Groups 3 items
- 25 Elements - 17 Groups 2 items
- 25 Elements - 20 Groups 2 items
- 27 Elements - 19 Groups 1 item
- 6 Elements - 4 Groups 4 items
- 6 Elements - 5 Groups 4 items
- 6 Elements - 6 Groups 5 items
- 7 Elements - 5 Groups 2 items
- 7 Elements - 6 Groups 3 items
- 7 Elements - 7 Groups 1 item
- 8 Elements - 5 Groups 5 items
- 8 Elements - 6 Groups 7 items
- 8 Elements - 7 Groups 2 items
- 8 Elements - 8 Groups 1 item
- 9 Elements - 6 Groups 2 items
- 9 Elements - 7 Groups 7 items
- 9 Elements - 8 Groups 8 items
- 9 Elements - 9 Groups 3 items
- Lens Focal Length
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- 10-18mm Zoom 1 item
- 10-20mm Zoom 2 items
- 10-22mm Zoom 1 item
- 10-24mm Zoom 3 items
- 100-300mm Zoom 1 item
- 100-400mm Zoom 5 items
- 100-500mm Zoom 1 item
- 100mm Fixed 1 item
- 100-200mm Zoom 1 item
- 105mm Fixed 6 items
- 110mm Fixed 1 item
- 11-18mm Zoom 1 item
- 11-20mm Zoom 2 items
- 12-24mm Zoom 1 item
- 12-28mm Zoom 1 item
- 120mm Fixed 1 item
- 135mm Fixed 3 items
- 14-24mm Zoom 2 items
- 14-30mm Zoom 1 item
- 14mm Fixed 3 items
- 15-35mm Zoom 1 item
- 150-500mm Zoom 3 items
- 150-600mm Zoom 3 items
- 15mm Fixed 9 items
- 16-105mm Zoom 1 item
- 16-300mm Zoom 1 item
- 16-35mm Zoom 4 items
- 16-50mm Zoom 3 items
- 16-80mm Zoom 2 items
- 16mm Fixed 3 items
- 17-28mm Zoom 1 item
- 17-35mm Zoom 2 items
- 17-50mm Zoom 2 items
- 17-55mm Zoom 2 items
- 17mm Fixed 1 item
- 18-105mm Zoom 1 item
- 18-135mm Zoom 2 items
- 18-140mm Zoom 2 items
- 18-200mm Zoom 6 items
- 18-270mm Zoom 1 item
- 18-300mm Zoom 2 items
- 18-35mm Zoom 1 item
- 18-400mm Zoom 2 items
- 18-45mm Zoom 1 item
- 18-55mm Zoom 3 items
- 180-400mm Zoom 1 item
- 180-600mm Zoom 1 item
- 180mm Fixed 1 item
- 18mm Fixed 3 items
- 19mm Fixed 1 item
- 200-400mm Zoom 1 item
- 200-500mm Zoom 1 item
- 200-600mm Zoom 1 item
- 200mm Fixed 3 items
- 20mm Fixed 5 items
- 24-105mm Zoom 3 items
- 24-120mm Zoom 2 items
- 24-240mm Zoom 1 item
- 24-70mm Zoom 9 items
- 24-85mm Zoom 2 items
- 24mm Fixed 13 items
- 28-300mm Zoom 2 items
- 28-70mm Zoom 1 item
- 28-75mm Zoom 3 items
- 28mm Fixed 8 items
- 300-800mm Zoom 1 item
- 300mm Fixed 1 item
- 30mm Fixed 4 items
- 32-64mm Zoom 1 item
- 35mm Fixed 15 items
- 400mm Fixed 3 items
- 40mm Fixed 1 item
- 45mm Fixed 5 items
- 45-100mm Zoom 1 item
- 50-400mm Zoom 1 item
- 50mm Fixed 26 items
- 500mm Fixed 1 item
- 55-200mm Zoom 1 item
- 55-210mm Zoom 1 item
- 56mm Fixed 3 items
- 58mm Fixed 2 items
- 600mm Fixed 4 items
- 60mm Fixed 4 items
- 63mm 1 item
- 70-180mm Zoom 2 items
- 70-200mm Zoom 10 items
- 70-210mm Zoom 2 items
- 70-300mm Zoom 8 items
- 75mm Fixed 2 items
- 8mm Fixed 1 item
- 8-15mm Zoom 2 items
- 8-16mm Zoom 1 item
- 80-200mm Zoom 1 item
- 80-400mm Zoom 1 item
- 800mm Fixed 3 items
- 85mm Fixed 10 items
- 90mm Fixed 7 items
- Lens Maximum Aperture
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- f/0.95 1 item
- f/1.2 9 items
- f/1.4 30 items
- f/1.8 31 items
- f/2.0 22 items
- f/2.5 2 items
- f/2.8 81 items
- f/2.8-4.0 5 items
- f/3.5 8 items
- f/3.5-4.5 6 items
- f/3.5-5.6 9 items
- f/3.5-6.3 16 items
- f/4.0 42 items
- f/4.0-5.6 9 items
- f/4.5 3 items
- f/4.5-5.6 2 items
- f/4.5-6.3 9 items
- f/5.0-6.3 3 items
- f/5-6.7 2 items
- f/5.6 7 items
- f/5.6-6.3 1 item
- f/5.6-8.0 1 item
- Lens Minimum Aperture
- Lighting Features
- Mount Load Capacity
- Bino/ Mono Size Class
- Sports Optics Usage
- Additional Camera Features
- Lens Image Stabilization
- Optical Tube Material
- Photo Support Type
- Tripod Material
- New Or Used
- Prism Type
- Telescope Diagonal Type
- Wratten Number
- Lens Format Coverage
- Dimmable
- Mount Electronics
- Color
- Mount Motor Drive