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B&H # COERA49 MFR # CR4949

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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  • Picatinny / Weaver Rail Mount
  • Accommodates 1" Tube Diameter
  • Anodized Aluminum Construction
  • Plastic Ring Spacer Included

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B&H # KOSR3737 MFR # ZASR3737

Top Highlights

  • Increase Distance Between Lens & Filters
  • 37mm Male/Female Threads on Each Side
  • Anodized Aluminum Construction
  • Matte Black Finish Minimizes Reflections
  • Use with Reversing Ring to Magnify

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  • Extends Filter/Lens Away from Camera
  • Required to Use Marumi Macro with GoPro

Availability: In Stock

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You Pay: $6.65

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B&H # COERA52 MFR # CR5252

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

Availability: In Stock

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B&H # COERA62 MFR # CR6262

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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B&H # COERA55 MFR # CR5555

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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B&H # COERA48 MFR # CR4848

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

Availability: Special Order

Ship Time: 6-10 weeks 

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B&H # COER77 MFR # R7777

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

Availability: In Stock

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B&H # COERA43 MFR # CR4343

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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B&H # COERA46 MFR # CR4646

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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B&H # COERA67 MFR # CR6767

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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You Pay: $5.99

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B&H # COER82 MFR # R8282

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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B&H # COERA37 MFR # CR3737

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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B&H # COER72 MFR # R7272

  • Increase Distance Between Holder & Lens
  • Ideal for Retractable Lens Designs

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  • Monolithic Ring-and-Base Combo
  • Optimizes Scope Height and Eye-Relief
  • Machined From Single Aluminum Billet

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  • Monolithic Ring-and-Base Combo
  • Optimizes Scope Height and Eye-Relief
  • Machined From Single Aluminum Billet

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  • Monolithic Ring-and-Base Combo
  • Optimizes Scope Height and Eye-Relief
  • Machined From Single Aluminum Billet

Availability: Special Order

Ship Time: 3-5 weeks 

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You Pay: $243.92

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  • Add Elevation Adjustment Range to Scopes

Availability: Special Order

Ship Time: 3-5 weeks 

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You Pay: $69.79

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B&H # TRTX12 MFR # TX12

  • For TX10 Adapter

Availability: Special Order

Ship Time: 6-10 weeks 

You Pay: $13.60

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B&H # TRRX125S MFR # RX125-SPACER

  • Fits Reflex Sights

Availability: Special Order

Ship Time: 6-10 weeks 

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Price: $15.00

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  • Mounts onto Zoom Ring of Lens via Spacer
  • Use Housing's Focus/Zoom Control to Zoom
  • For Port on MDX Housing for a6000 Camera

Availability: Special Order

Ship Time: 7-14 business days 

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