-40%

Refraction astronomical telescope double objective lens set 154mm DIY self-made

$ 159.97

Availability: 18 in stock
  • All returns accepted: Returns Accepted
  • Item must be returned within: 30 Days
  • Condition: New
  • Type: Telescope Lenses
  • Refund will be given as: Money back or exchange (buyer's choice)
  • Brand: Unbranded
  • Return shipping will be paid by: Buyer

    Description

    Refraction astronomical telescope double objective lens set 154mm DIY self-made
    Suitable for primary lens diameter: 100-200mm
    Astronomical telescope optical system: refraction
    Lens Diameter: 154mm,
    Effective diameter: 150mm
    Attention: 2pcs lens makes a objective lens group.
    Package includes: 2pcs lens per quantity
    o
    bj
    ective lens
    D=154mm F=750mm multilayer blue film
    diameter
    154mm
    focal length
    750mm
    Coating
    Four-sided multilayer blue 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
    eccentric
    1'
    objective lens
    D=154mm F=750mm multilayer green film
    diameter
    154mm
    focal length
    750mm
    Coating
    Four-sided multilayer broadband film (400-700nm)
    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
    eccentric
    1'
    objective lens
    D=154mm F=1200mm mult
    ilayer blue film
    diameter
    154mm
    focal length
    1200mm
    Coating
    Four-sided multilayer blue 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
    eccentric
    1'
    objective lens
    D=154mm F=12000mm multilayer green film
    diameter
    154mm
    focal length
    1200mm
    Coat
    ing
    Four-sided mult
    ilayer
    broadband film (400-700nm)
    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
    eccentric
    1'
    Delivery details
    ---------------------------------------------------------------------
    1. We Ship to Worldwide. Please contact with us if didn't find your country.
    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.
    Policy:
    ---------------------------------------------------------------------
    1. We are not responsible for any custom duty or import tax.
    2. We will leave positive feedback after receiving the payment.
    Please contact us if you are not satisfied with the item after receive it.
    3. All messages will be answered within 1 business day.
    If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible.
    4. Serious Buyer Only! Please place bid only if you agree with all the terms.
    5. If you have any problems or concerns whatever with your order or products,
    please message us and give us a chance to assist you before you leave any feedback.
    We believe we can produce a positive outcome to any situation and will work hard to earn your praise.