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William Optics FLT 91mm f/5.9 OTA with FPL-53 Optics and Dual Speed 3.3" R&P Focuser

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Telescope
T-FLT-91GD-RP33
$2,547 CAD
We will price-match in-stock Canadian astronomy dealer pricing

*Color
Gold
Red
Space Gray

Green Right Arrow Click here to simulate views with this scope and various eyepieces


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The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. The three-element optical design features a 91mm aperture using FPL-53 glass. The STM-coatings and superb quality provide excellent optical performance and unmatched value.



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ROTOLOCK

The Rotolock 2 inch adapter provides for a solid and efficient connection for a WO 2 inch diagonal, and other accessories.


BAHTINOV MASK

Patented

The retractable dew shield features a removable lens cover, with our patented Bahtinov Mask revealed by unscrewing the face plate. The clear design allows for brighter star patterns, and precise focusing for astrophotography.

 

Versatile Saddle Bar

 

Patented

The Saddle Bar Handle, offers a solid handle with a built in dovetail chamber for use with the WO Uniguide scopes, or other Vixen style guiding/finder scopes.

New Focuser Knob

A larger fit designed for better ergonomics.

Field Rotator

The super smooth field rotator includes markings for every degree, and a solid thumbscrew position lock.

Soft Carry Case

The standard package comes with a soft carry case.


OPTIONAL ACCESSORIES

UNIGUIDE 32/120MM


FLAT 6A III 0.8x

Focal length: 432mm


WHAT'S IN THE BOX

Fluorostar 91

Vixen Saddle Plate

Visual Extension Tube

Soft Carry Case

Handle Bar

Built-in Bahtinov Mask Cap

Lens Type
Apochromatic Triplet Prime Lens
Focal Length
540mm
Diameter
91mm
Aperture
f/5.9
Flattener
FLAT 6A III x0.8
FLAT 68 III x1.0
Flattener Adjustment
FLAT 6A III x0.8: 5.4mm
Focuser
Dual Speed 3.3" R&P Focuser
Color
Red
Gold
Space grey
Lens Material
FPL-53
Strehl Ratio
0.95+
Camera Format
Full Frame DSLR / Mirrorless / CMOS / CCD
Test Report
Zygo test report available at additional cost
T-Mounts Supported
Canon EF, RF
Nikon F, Z
Sony E
Pentax K
Micro Four Thirds (M4/3)
FUJI X
Retracted Length
441mm
Extended Length
510mm
Extension Tube Length
40mm
OTA Weight
4.165Kg
Total Weight
5.575Kg
Extension Tube Weight
0.105Kg

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