-40%

131mm Optical Telescope Objective Lens Dual Separation DIY Refractor Achromatic

$ 74.12

Availability: 100 in stock
  • Type: Telescope Objective Lens
  • Condition: New
  • Refund will be given as: Money back or exchange (buyer's choice)
  • Telescope Type: Refractor
  • Structure: Double Convex
  • All returns accepted: Returns Accepted
  • Return shipping will be paid by: Buyer
  • Model Number: Double Convex Glass Lens
  • Brand: Unbranded
  • Usage: Optical
  • Item must be returned within: 30 Days
  • Shape: Meniscus

    Description

    131mm Large Optical Dual Separation Doublet Lens Focal Length 1200mm 700mm
    DIY Refractor Telescope Objective Achromatic
    Guidscope
    Lentes
    Dual  Separation Achromatic Lens
    Material: Optical Glass
    Lens Diameter:131mm
    Focal Length:700mm( Green Film)  1200mm (Blue Film)
    Astronomical telescope objective lens with multilayer blue / Green film
    Combined image quality 1 / 4-1 / 8
    Diameter tolerance + 0 / -0.12 mm
    Center thickness tolerance ± 0.2mm
    Focal length tolerance ± 0.1%
    Finish 60/40
    Off-centre 1 '
    Remarks: two-piece refractive double separation objective lens group;
    Used for astronomical telescope objectives, finder and collimation objective Lens
    Green Film:  Four-sided multilayer wideband film (400-700nm)
    Delivery details
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    2. Items will be shipped within 1-10 business days on payment received.
    3. Delivery time depends on destination and other factors, it may takes up to 20 business days.
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