WLLIAM OPTICS FLT 110 DDG Triplet APO天文望遠鏡
WLLIAM OPTICS FLT 110 DDG Triplet APO天文望遠鏡
Another improvement on your most loved 110mm: NEW designed air-spaced APO lens!
This scope is ultimately designed for astronomers who wants the best results in photographic/CCD work. Finally available at an AMAZING price in its class. Only the best and most expensive are on a par with this! Dedicated field flattener available.
Optically unbeatable
• Features a top-quality triplet air-spaced objective.
• This scope is extremely sharp and has a great color correction, even better
than the previous design. It is ideal for astrophotography.
New Linear Focuser
• Extra-smooth 3.5" New Linear focuser: a treat to use during astrophotography.
No more image shifting!
• 360 deg. rotatable.
• Extra-heavy duty.
• Large aluminum knobs.
Patented Design
• Stainless steel reinforcement inserts on both sides and on the back to allow
heavy loading without problems.
• Ball bearings on both sides of the focuser will make your focusing experience
the best you ever experienced with a scope!
• Graduated scale for precise camera alignment.
DO-all Telescope
• Despite of its 110mm objective, the scope is still very compact and solid.
• Two-speed microfocuser STANDARD on all units.
Simply Beautiful Finish
•
115mm Mounting rings included in the price.
• Pure William Optics quality fit and finish: powder-painted white CNC-machined
aluminum tube, golden finish, retractable dewshield, anodized 360 deg.
rotatatable focuser, dewshield cap.
Attention to Details
• Highly precise CNC machined lens cell.
• Solid CNC-machined mounting rings included in the price.
Total Quality Package
• Dedicated
field flattener available.
• 2" & 1.25" adapters included.
• All with brass anti-marring compression rings.
Aluminum Case
• Stow away your telescope in the practical and safe aluminum case.
• Though you will never need it, you have a 2-year warranty from WO, and the
certainty that we will be there to assist you even beyond that, if you need!
| Aperture | 110mm |
| Focal Ratio | F/7 |
| Focal Length | 770mm |
| Objective Type | 3 elements Air-spaced |
| Resolving Power | 1.05" |
| Limiting Magnitude | 12.0 |
| Lens Shade | Retractable |
| Focuser | 3.5" 360° Rotating Camera-angle Adjuster 1.25" Adapter Included |
| 1.25" Adapter | Brass Compression Rings |
| Tube Diameter | 110mm |
| Tube Length | 25.3" (643mm) Fully Retracted |
| Tube Weight | 13.3lbs. (6.04kg) |
| Case | High Quality Aluminum Case |
| Case Dimensions (W x H x D) |
31.8" x 9.6" x 7.8" (81.5cm x 24.5cm x 20cm) (Total interior length 740mm) |
| Case Weight | 5.3kg |
Dimensions of scratches and dots shall not exceed the following values:
Surface finish class Scratches Points Accumulation of defects:
Width, not more, mm
Total length, not more, mm
Diameter no more, mm
Quantity, no more
| Scratches | Width, not more, mm | 0.025mm |
| Total length, not more | 1/4 of total lens
diameter. Quantity no more 6 |
|
| Dots or spot points | No more, mm | 0.4mm |
| Quantity, no more | 4 | |
| Accumulation of defects | Limited area, mm | 0.8mm^2 |
| Total area of scratches and points, no more, square mm | 5.8mm^2 |