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Explore Scientific 140 mm f/6.7 FPL-53 Air-Spaced Triplet ED APO Refractor w/3" Hex Focuser - FPL53-140CF-01

SKU: EXS-FPL53-140CF-01

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Explore Scientific 140 mm FPL-53 ED APO Triplet Refractor




Unveil celestial marvels such as the Moon's vacant terrain, the smooth structure of Saturn's rings, or the Messier catalog's brightest deep sky treasures with this 140 mm FPL-53 Apochromatic Triplet Refractor from Explore Scientific.



Explore Scientific's all-new design provides higher quality Ohara optics. Ohara FPL-53 glass is used to give this refractor optical characteristics similar to the Hoya FCD-100.



Explore Scientific is able to achieve incredible advanced chromatic aberration correction due to this plus a high refractive index. FPL-53 glass is considered to be the best ever made by Ohara. With a genuine diffraction-limited optical design, along with a size compact enough for on-the-go observing sessions, this high quality refractor is perfect for spontaneous stargazing adventures.



With an air-spaced triplet optical design that all but eradicates chromatic aberrations, this telescope produces stunning high contrast images using the combination of true Ohara FPL-53 extra-low dispersion (ED) glass and Explore Scientific's EMD enhanced multi-layer coatings on each optical surface.



This amazing refractor also includes a 3" Hexagonal focuser with robust construction that is strong enough to accept up to 10 lbs. of astrophotography gear.



Explore Scientific 140 mm FPL-53 Refractor Specifications




  • Aperture: 140 mm (5.5”)
  • Focal Ratio: f/6.7
  • Focal Length: 910 mm
  • Dovetail: Vixen V-Series Style
  • Diagonal: 2” 99% Reflective
  • Cradle Rings: Yes, with built-in handle
  • Case: Yes
  • Focuser: 3” HEX Dual Speed Rack & Pinion
  • Finder Included: No, although Explore finder base is installed
  • Weight: 21 lbs.

Description
Description

Explore Scientific 140 mm FPL-53 ED APO Triplet Refractor


Unveil celestial marvels such as the Moon's vacant terrain, the smooth structure of Saturn's rings, or the Messier catalog's brightest deep sky treasures with this 140 mm FPL-53 Apochromatic Triplet Refractor from Explore Scientific.

Explore Scientific's all-new design provides higher quality Ohara optics. Ohara FPL-53 glass is used to give this refractor optical characteristics similar to the Hoya FCD-100.

Explore Scientific is able to achieve incredible advanced chromatic aberration correction due to this plus a high refractive index. FPL-53 glass is considered to be the best ever made by Ohara. With a genuine diffraction-limited optical design, along with a size compact enough for on-the-go observing sessions, this high quality refractor is perfect for spontaneous stargazing adventures.

With an air-spaced triplet optical design that all but eradicates chromatic aberrations, this telescope produces stunning high contrast images using the combination of true Ohara FPL-53 extra-low dispersion (ED) glass and Explore Scientific's EMD enhanced multi-layer coatings on each optical surface.

This amazing refractor also includes a 3" Hexagonal focuser with robust construction that is strong enough to accept up to 10 lbs. of astrophotography gear.

Explore Scientific 140 mm FPL-53 Refractor Specifications


  • Aperture: 140 mm (5.5”)
  • Focal Ratio: f/6.7
  • Focal Length: 910 mm
  • Dovetail: Vixen V-Series Style
  • Diagonal: 2” 99% Reflective
  • Cradle Rings: Yes, with built-in handle
  • Case: Yes
  • Focuser: 3” HEX Dual Speed Rack & Pinion
  • Finder Included: No, although Explore finder base is installed
  • Weight: 21 lbs.
Specifications
Specifications
Model Number FPL53-140CF-01
Telescope Series Explore ED Air-Spaced Triplets
Focal Ratio f/6.7
Optical Design Refractor
Telescope Aperture 140mm (5.51")
Telescope Mount Type No Mount - OTA Only
Type of Electronics OTA Only - No Electronics
Focal Length (mm) 910
Limiting Stellar Magnitude 13
Focuser Size 3"
Focuser Speed Dual Speed
Refractor OTA Length - Extended (in.) 39
Refractor OTA Length - Retracted (in.) 33.25
Warranty One (1) Year with Limited Lifetime Option
Total Weight without Counterweights (lb.) 21
What's in the Box?
What's in the Box?
  • Explore Scientific 140 mm f/6.7 FPL-53 Carbon Fiber ED APO Triplet Refractor Telescope
  • 3" Dual-Speed HEX Focuser
  • Dew Shield
  • Deluxe Hard Carrying Case
  • 2" Diagonal with 99% Reflectivity
  • Cradle Rings with Handle
  • Vixen-Style Dovetail Plate
  • Finderscope Base (Finder Not Included)
  • Explore Scientific 140 mm f/6.7 FPL-53 Air-Spaced ED APO Triplet Refractor OTA
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