Bresser Aluminum 208mm f/3.9 Newtonian SKU BR-N20839
Bresser Aluminum 208mm f/3.9 Newtonian SKU BR-N20839

Bresser Aluminum 208mm f/3.9 Newtonian

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    Estimated Arrival: Between Oct 29 and Nov 04. *ETA to USA Only

    Shipping & Returns: Free Domestic Shipping. All The Time.

    The Bresser N20839 Aluminum 208mm f/3.9 Newtonian has a large, 208mm aperture and short 812mm focal length. This produces a fast, rich-field optical design that is perfect for wide-field deep sky astrophotography and visual observations of stellar clouds, nebulae, and galaxies.

    This fast newtonian features no-tool knob collimation of the primary and secondary mirrors to make precise collimation adjustments easy. 

    The package includes a padded, top-loading Soft Carrying Case to protect the optical tube assembly while transporting the instrument to your backyard or your favorite dark sky site for an imaging run or deep sky visual observations.


    • Sleek, white aluminum tube allows for easy adaptation to the night air and quick cool-down
    • No Tool Secondary Collimation
    • Finder Scope Base for easy attachment of your finder scope of choice
    • 2-inch Crayford Focuser with 1.25-inch Adapter with Integrated T-thread to attach optional T-thread Ring
    • Cradle Rings with Slotted Handle can be an attachment point for piggy-back cameras
    • Vixen-Style Dovetail will allow you to easily attach to your mount or tripod
    • Front and Focuser Dust Caps to protect your telescope from dust settling in the optics
    • Weighs only 22 lbs which means it will be easy to transport to your favorite observation spot


    Item Number BR-N20839
    Focal Length 812mm
    Focal Ratio f/3.9
    Eyepieces Accepts 1.25" and 2" Eyepieces
    Weight 22lbs
    Parabolic primary mirror 208mm Diameter; Aluminum with SiO3 Overcoat; Special low expansion H-PZ33
    Material Secondary mirror 71.45mm Minor Axis (34% Obstruction); 97% Reflective EMD Coatings; Low Thermal Expansion Borosilicate Glass


    We know that once you've placed your order, you are anxious to receive it! We make every effort to get your order shipped out to you as quickly as possible.

    As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. We will process the charges to your credit card and your order will ship within five business days from the date of your order.  We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at

    Standard shipping time in the US is between 3-5 business days, though it can vary slightly depending on the destination. For updates on your shipment, you can enter your tracking number here.

    We are happy to offer FREE domestic shipping on all orders! Unfortunately, at this time we are not able to provide expedited or international shipping.  


    Returns & Refunds

    We have a 30-day return policy, which means that in the case that your order arrives broken or defective, or if you simply change your mind about your purchase, you have 30 days after receiving your item to request a return. Returns requested after 30 days of receiving your order will not be accepted. Refunds will be issued to the original credit card that you use when placing your order.

    To be eligible for a return, your item must be in the same condition that you received it. 

    To start a return, please contact us at to receive a prepaid return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. 

    We will notify you once we’ve received and inspected your return and at this point, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

    You can always contact us for any return questions at

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