William Optics
William Optics UltraCat 76 WIFD f/4.8 + FREE International Shipping
HK$15,280.00
- SKU:
- WO-T-C-76BR
- Availability:
- New Release! Accepting Order Now!
- Weight:
- 6.00 KGS
- Shipping:
- Calculated at Checkout
Highlights of the Ultra-CAT 76 WIFD APO
- 5 elements Petzval flat field design with FPL-53 optics
- WO Internal Focus Design (WIFD), compatible with motorised focuser
- Fast focal ratio f/4.8
- Full frame format coverage (50mm)
- Anti-Shrink Lens Cell Technology
- Sensor Tilt eXterminator (STX)
- Interchangeable camera mount (Canon EF, RF / Nikon F,Z / Sony E / Pentax K / M4/3 / Fujifilm X)
- Compatible with any 48mm (2") imaging filter
- Super bright Bahtinov mask + lens cap
- Field rotator
- 4.98kg only including mounting base (OTA only 3.81kg)
Exclusive features of the Ultra-CAT 76 WIFD APO:
- Sensor Tilt Corrector (STX)
- Full frame format coverage
- WO patented innovative internal focus design (WIFD)
Package Includes:
- UltraCAT 76 APO WIFD
- WO lens cap with bahtinov Mask
- Mounting rings with Saddle Handle Bar
- Camera Angle Rotator
- Sensor Tilt eXterminator (STX)
- Vixen Style Dovetail Plate
- M48 and M54 adapters
- Soft carrying case
- Allen key set
Optical Diagrams
Spot Diagram
William Optics Ultra-Cat 76 Specifications
|
Lens Type
|
5 Elements Advanced Petzval Design |
|
Focal Length
|
365 mm |
|
Diameter
|
76 mm |
|
Focal Ratio
|
f/4.8 |
|
Image Circle
|
50 mm |
|
Focuser
|
WIFD R&P Focuser
|
|
Focuser Travel Length
|
0-20 mm (Ruler to 21mm) |
|
Adapter Included
|
Sensor Tilt Xterminator
Rotator
M54 Camera Adapter
M48 Camera Adapter
|
|
Optional Flattener
|
No Flattener Required
|
|
Camera Format
|
Full Frame
APS-C
M4/3
|
|
Total Weight
|
4.98 kg / 10.98 lbs |
|
OTA Weight
|
3.81 kg / 8.4 lbs |
|
Tube Length
|
363 mm - 415 mm |
