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William Optics FLT-132 2018
Product Description
NEW 2021 version available here: William Optics FLT-132 III Triplet APO with 3.3" R&P Focuser
Special 20th Anniversary Offer
132mm f/7 apochromatic refractor. Perhaps the best 5 inch apochromatic refractor under US$4,000. The FLT-132 gathers 81% more light than the FLT-98 and about 35% higher in resolution. The FLT132 represents William Optics' top of the line apochromatic designed for visual observation and astrophotography. This special 20th anniversary edition FLT-132 is equipped with the newly designed V-Power 3" Crayford focuser which is able to secure imaging load up to 10kg without any image shift. The included RotoLock mechanism also makes changing eyepieces a breeze.
Includes
- FLT-132 f/7 Triplet APO
- 3" V-Power Crayford focuser with RotoLock
- 1.25" adapter
- Mounting rings (CNC machined too!)
- Soft padded carrying case
Highlights
- 132mm f/7 top quality triplet air-spaced objectives aprochromatics
- Includes 1 FPL-53 fluorite element
- Designed by A. Strakhov
- Precision optics with STM coating
- 3" V-Power Crayford focuser suitable for heavy imaging load
- Graduated scale for precise camera alignment
- Very sharp image with great colour correction
- Designed for astrophotography
- A dedicated field flattener is available (FLAT68II)
- CNC out of solid high quality aluminium
- Powder-painted white CNC-machined aluminum tube, golden finish retractable dew shield and engraved dew shield cap.
Specifications
Optical system | Air-spaced triplets with 1 FPL-53 fluorite element |
Aperture | 132 mm |
Focal length | 925 mm |
Focal ratio | f/7 |
Image circle |
50 mm |
Lens shade |
Retractable (O.D. 168mm) |
Focuser |
3" V-Power Crayford Focuser with RotoLock |
1.25" adapter |
with anti-marring brass compression ring |
Back focus | 66-86 mm with Adjustable Flattener Reducer IV |
Resolution | 0.86 arcseconds |
Limiting magnitude | 14.5 |
Light gathering power | 196x |
Tube diameter |
141 mm |
OTA length |
1040 mm (fully extended) |
Weight | 9 kg |
Discounted 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 |
Glossary
CNC: Computer Numerical Control.