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Cyclops Optics

William Optics FLT-98

Discontinued

William Optics FLT-98

Discontinued
SKU:
WO-A-F98
Shipping Weight:
6.50 KGS
Availability:
Discontinued.
Shipping:
Free Shipping
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Product Description

Fluorostar 98mm f/6.3 apochromatic. Fluostar series (FLT) represents William Optics' top of the line apochromatic designed for astrophotography. FLT-98 is equipped with the beefy 3.5" RotoLock focuser to carry heavy imaging train which allows you to exploit the potential of this fluorite triplet even further.

Includes

  • FLT-98
  • 3.5" RotoLock Focuser
  • 2 mounting rings
  • Soft padded carrying case

Highlights

  • 98mm f/6.3 top quality triplet air-spaced objectives aprochromatics
  • Includes 1 FPL-53 fluorite element
  • Designed by A. Strakhov
  • Precision optics with STM coating
  • 3.5" RotoLock focuser suitable for heavy camera
  • Very sharp image with great colour correction
  • Designed for astrophotography

Specifications

Optical system Air-spaced triplets with 1 FPL-53 fluorite element
Aperture 98 mm
Focal length 618 mm
Focal ratio f/6.3
Image circle

50 mm

Back focus 66-86 mm with Adjustable Flattener Reducer IV
Resolution 1.16 arcseconds
Limiting magnitude 14.5
Light gathering power 196x
OTA length

600 mm (fully extended)
502 mm (contracted)

Weight 5.2 kg

Free shipping applies

United States, S. Korea, Japan, Malaysia, Philippines, Singapore, Hong Kong, Taiwan, Indonesia, Australia, New Zealand, Germany, France, Switzerland, Sweden, Denmark, Netherlands, United Kingdoms and others.

Via FedEx International Economy. Arriving in 1-5 working days.

Warranty

7 days no question asked return if due to material or worksmanship defects

2 years from William Optics

Cyclops Optics Ltd. is an authorised dealer of William Optics' products.

Quality Control

Scratches   Width no more than  0.025 mm
 Total length no more than  1/4 of total lens diameter. No more than 3 individual scratches
 Dots or spots   Diameter, no more than  0.4 mm
 Quantity no more than  3
 Accumulation of defects   Limited area  0.8 mm2
 Total area of scratches and points no more than  5.8 mm2

 

 

 

 

 

 

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