Skip to content
Menu
Explore Scientific LLC
View cart
  • Telescopes
    • Telescopes
      • Refractors
      • Reflectors
      • Giant Binoculars
      • Telescope Mount Packages
    • By Series
      • APO Triplet Series
      • Achromat Doublet Series
      • BT Series - Giant Binoculars
      • Dobsonian Series
      • FirstLight Series
      • Mak-Cassegrain Series
      • Newtonian Series
      • Certified Pre-Owned
      • Galileoscope Telescope Kit
    • By Brand
      • Explore Scientific
      • National Geographic
      • Explore One
      • Discovery
      • Bresser
    • Skill Level
      • Beginner
      • Intermediate
      • Professional
    • Dealer Locator
  • Eyepieces +
    • Eyepieces
      • 52° Series
      • 62° Series
      • 68° Series
      • 70° Series
      • 82° Series
      • 92° Series
      • 100° Series
      • 120° Series
      • View All
    • Visual Accessories
      • Focal Extenders
      • Diagonals
      • Star Maps & Flashlights
      • Eyepiece Filters
    • General Accessories
      • Cradle Rings & Plates
      • Collimation
      • Cases
      • Dew Reduction
      • Finder Scopes & Brackets
      • Focusers
      • Solar Filters
    • Imaging
      • Cameras
      • Camera Adapters
      • Flatteners & Correctors
      • Focusing Aids
    • Dealer Locator
  • Mounts +
    • PMC-Eight GoTo Mounts
      • iEXOS-100 PMC-Eight GoTo Equatorial Tracker Mount
      • iEXOS-100 HD PMC-Eight GoTo Equatorial Tracker Mount System
      • EXOS2-GT PMC-Eight GoTo Equatorial Mount
      • Losmandy G-11 PMC-Eight GoTo Equatorial Mount
      • All PMC-Eight Products
      • FirstLight EXOS-2 GoTo
      • PMC-Eight Software and Downloads
    • Manual Mounts and Tripods
      • Equatorial & Alt-Azimuth Mounts
      • Tripods
      • Twilight Mounts
      • Telescope Mount Packages
    • Mount Accessories
      • Polar Finders
      • Counterweights
      • Cable Sets
      • Power Banks
      • Tripod Extensions
      • Vibration Reduction
    • Telescope Drive Master
      • Controllers and Encoders
      • Adapters
    • Dealer Locator
  • Astrophotography
    • Astrophotography Telescopes
    • Astrophotography Mounts
      • PMC-Eight GoTo Mounts
      • Manual Mounts and Tripods
      • Mount Accessories
    • Astrophotography Imaging
      • Cameras
      • Camera Adapters
      • Filters
      • Flatteners & Correctors
      • Focusing Aids
      • Pulsar Observatories
    • Astrophotography Accessories
      • Collimation
      • Finder Scopes & Brackets
      • Focal Extenders
      • Eyepiece Filters
      • Star Maps & Flashlights
    • MENTOR Training
      • Explore Alliance MENTOR Astrophotography Courses
      • Remote Observatory Access
  • Microscopes
    • Microscopes
      • Microscopes
      • Digital Microscope
      • Biological Microscope
      • Stereo Microscope
    • Accessories and Parts
      • Microscope Cameras
      • Smart Microscope Slides
    • By Brand
      • Bresser
      • Discovery
      • Explore One
      • National Geographic
    • Skill Level
      • Beginner
      • Intermediate
      • Professional
  • Sport Optics
    • Alpen Binoculars
      • Apex & Apex XP
      • Rainier
      • Shasta Ridge
      • Kodiak
      • Wings
      • MagnaView
    • Bresser Binoculars
      • E-Series
      • M-Series
      • P-Series
      • C-Series
      • Condor Series
    • Sport Optics
      • Binoculars
      • Giant Binoculars
      • Monoculars
      • Night Vision
      • Spotting Scopes
    • By Brand
      • Alpen
      • Bresser
      • Discovery
      • Explore One
      • Hunters Specialties
      • National Geographic
    • By Use
      • Astronomy
      • Hiking
      • Birding
  • Sales
    • Certified Pre-Owned
    • Microscopes
    • Astronomy
  • STEM
    • Weather & Time
      • Alarm Clock Radio
      • Weather Stations
    • Outdoor
      • Bird Feeder Camera
      • Metal Detectors
      • Game Cameras
    • Adventure Gear
      • Action Cameras
      • Galileoscope Telescope Kit
    • Explore Hut
  • Alliance +
    • Explore Alliance Membership
      • About Explore Alliance
      • Explore Alliance Memberships
      • Explore Alliance Affiliate Organizations
    • Ambassador Program
      • Explore Alliance Ambassador Program
      • Directory of Ambassadors
      • Directory of Astrophotography Ambassadors
    • Events & Experiences
      • Explore Alliance DSLR Photography Contest
      • Winter Star Party - Virtual Edition
      • Explore Alliance Live
      • Sky's Up Global Astronomy Magazine
      • Explore Alliance Events & Experiences
      • Explore Alliance Astrophotography Contest Winners
    • Blogs
      • Explore Scientific
      • Explore With Us
    • Shop
      • Gift Center
      • Apparel
  • Login
  • Login
Close
  • Telescopes
    • Telescopes
      • Refractors
      • Reflectors
      • Giant Binoculars
      • Telescope Mount Packages
    • By Series
      • APO Triplet Series
      • Achromat Doublet Series
      • BT Series - Giant Binoculars
      • Dobsonian Series
      • FirstLight Series
      • Mak-Cassegrain Series
      • Newtonian Series
      • Certified Pre-Owned
      • Galileoscope Telescope Kit
    • By Brand
      • Explore Scientific
      • National Geographic
      • Explore One
      • Discovery
      • Bresser
    • Skill Level
      • Beginner
      • Intermediate
      • Professional
    • Dealer Locator
  • Eyepieces +
    • Eyepieces
      • 52° Series
      • 62° Series
      • 68° Series
      • 70° Series
      • 82° Series
      • 92° Series
      • 100° Series
      • 120° Series
      • View All
    • Visual Accessories
      • Focal Extenders
      • Diagonals
      • Star Maps & Flashlights
      • Eyepiece Filters
    • General Accessories
      • Cradle Rings & Plates
      • Collimation
      • Cases
      • Dew Reduction
      • Finder Scopes & Brackets
      • Focusers
      • Solar Filters
    • Imaging
      • Cameras
      • Camera Adapters
      • Flatteners & Correctors
      • Focusing Aids
    • Dealer Locator
  • Mounts +
    • PMC-Eight GoTo Mounts
      • iEXOS-100 PMC-Eight GoTo Equatorial Tracker Mount
      • iEXOS-100 HD PMC-Eight GoTo Equatorial Tracker Mount System
      • EXOS2-GT PMC-Eight GoTo Equatorial Mount
      • Losmandy G-11 PMC-Eight GoTo Equatorial Mount
      • All PMC-Eight Products
      • FirstLight EXOS-2 GoTo
      • PMC-Eight Software and Downloads
    • Manual Mounts and Tripods
      • Equatorial & Alt-Azimuth Mounts
      • Tripods
      • Twilight Mounts
      • Telescope Mount Packages
    • Mount Accessories
      • Polar Finders
      • Counterweights
      • Cable Sets
      • Power Banks
      • Tripod Extensions
      • Vibration Reduction
    • Telescope Drive Master
      • Controllers and Encoders
      • Adapters
    • Dealer Locator
  • Astrophotography
    • Astrophotography Telescopes
    • Astrophotography Mounts
      • PMC-Eight GoTo Mounts
      • Manual Mounts and Tripods
      • Mount Accessories
    • Astrophotography Imaging
      • Cameras
      • Camera Adapters
      • Filters
      • Flatteners & Correctors
      • Focusing Aids
      • Pulsar Observatories
    • Astrophotography Accessories
      • Collimation
      • Finder Scopes & Brackets
      • Focal Extenders
      • Eyepiece Filters
      • Star Maps & Flashlights
    • MENTOR Training
      • Explore Alliance MENTOR Astrophotography Courses
      • Remote Observatory Access
  • Microscopes
    • Microscopes
      • Microscopes
      • Digital Microscope
      • Biological Microscope
      • Stereo Microscope
    • Accessories and Parts
      • Microscope Cameras
      • Smart Microscope Slides
    • By Brand
      • Bresser
      • Discovery
      • Explore One
      • National Geographic
    • Skill Level
      • Beginner
      • Intermediate
      • Professional
  • Sport Optics
    • Alpen Binoculars
      • Apex & Apex XP
      • Rainier
      • Shasta Ridge
      • Kodiak
      • Wings
      • MagnaView
    • Bresser Binoculars
      • E-Series
      • M-Series
      • P-Series
      • C-Series
      • Condor Series
    • Sport Optics
      • Binoculars
      • Giant Binoculars
      • Monoculars
      • Night Vision
      • Spotting Scopes
    • By Brand
      • Alpen
      • Bresser
      • Discovery
      • Explore One
      • Hunters Specialties
      • National Geographic
    • By Use
      • Astronomy
      • Hiking
      • Birding
  • Sales
    • Certified Pre-Owned
    • Microscopes
    • Astronomy
  • STEM
    • Weather & Time
      • Alarm Clock Radio
      • Weather Stations
    • Outdoor
      • Bird Feeder Camera
      • Metal Detectors
      • Game Cameras
    • Adventure Gear
      • Action Cameras
      • Galileoscope Telescope Kit
    • Explore Hut
  • Alliance +
    • Explore Alliance Membership
      • About Explore Alliance
      • Explore Alliance Memberships
      • Explore Alliance Affiliate Organizations
    • Ambassador Program
      • Explore Alliance Ambassador Program
      • Directory of Ambassadors
      • Directory of Astrophotography Ambassadors
    • Events & Experiences
      • Explore Alliance DSLR Photography Contest
      • Winter Star Party - Virtual Edition
      • Explore Alliance Live
      • Sky's Up Global Astronomy Magazine
      • Explore Alliance Events & Experiences
      • Explore Alliance Astrophotography Contest Winners
    • Blogs
      • Explore Scientific
      • Explore With Us
    • Shop
      • Gift Center
      • Apparel

Filters

  • Brand - Alpen Remove filter

Aperture

  • 1. 21mm - 34mm
  • 1. 40mm - 90mm
  • 2. 100mm - 127mm
  • 3. 130mm - 165mm
  • 4. 170mm +
  • 60mm

Brand

  • Explore Scientific
  • Bresser
  • Explore FirstLight
  • National Geographic

By Use

  • Birding

Features

  • ED Glass
  • Waterproof

Focal Length

  • 2. 600mm - 988mm
  • 3. 1000mm - 1900mm

Focal Ratio

  • 2. f/4.1 - f/6.5
  • 3. f/7 - f/9.8
  • 4. f/10 - f/15

Magnification

  • 2. 10x - 20x
  • 20x to 60x
  • High Power

Maximum Range

  • 100 yards

Optical Design

  • Dobsonian
  • Refractor

Prism System

  • Roof

Series

  • AR Doublet
  • ED Triplet APO
  • FirstLight
  • FPL-53
  • Pirsch

Skill Level

  • Beginner
  • Intermediate
  • Professional
Home All on Sale Alpen

All on Sale

  • Brand - Alpen Remove filter
  • Show
  • 24
  • 36
  • 48
View as

There are no products matching your search

View all products

You recently viewed

    Sort by

    Follow us

    Find us on Facebook Find us on Instagram Find us on Youtube Find us on E-mail

    Information

    • About Us
    • Brand Assets
    • Contact & Careers
    • Our Blog
    • Privacy Statement
    • CA Prop65
    • Image Archive (Restricted)

    Support

    • PMC-Eight System Software & Downloads
    • Knowledge Base and FAQ's
    • Catalogs & Instruction Manuals
    • Customer Portal
    • How to Choose and Eyepieces for Any Telescope
    • Registration
    • Certified Pre-Owned
    • Warranty
    • LayBuys Layaway Terms

    Education

    • Calendar
    • Astronomy Resources
    • Sky's Up E-Magazine
    • Cloudy Nights Forum
    • Cleaning Waterproof Eyepieces
    • Videos

    Stay Connected

    Join our mailing list to get the latest deals and more.

     
    • Amazon
    • American Express
    • Discover
    • Elo
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Explore Scientific, LLC, Scientific Instruments, Springdale, AR

    © 2021 Explore Scientific LLC. - 866-252-3811

    Added to your cart:

    Cart subtotal
    View cart () Checkout