William Optics Red Cat 91 WIFD 91mm f/4.9 Apochromatic Refractor Telescope (OTA Only)
$2,858.00
In Stock
- For Full-Frame & Medium-Format Cameras
- 55mm Image Circle
- Petzval Design, No Flattener Needed
- 448m Focal Length, f/4.9 Focal Ratio
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William Optics Red Cat 91 WIFD 91mm f/4.9 Apochromatic Refractor Telescope (OTA Only)
The William Optics Red Cat 91 WIFD 91mm f/4.9 Apochromatic Refractor Telescope (OTA Only) is built for photographers and creators who want dependable, professional results. It covers 448 mm with a maximum aperture of 4" / 91 mm.
Highlights
- For Full-Frame & Medium-Format Cameras
- 55mm Image Circle
- Petzval Design, No Flattener Needed
- 448m Focal Length, f/4.9 Focal Ratio
Every order from NIXTRONIC ships tracked worldwide and is covered by our 60-day return policy on eligible items.
In the Box
- William Optics Red Cat 91 WIFD 91mm f/4.9 Apochromatic Refractor Telescope (OTA Only)
- Bahtinov Lens Cap
- Vixen-Style Mounting Plate
- Mounting Ring/Handle Assembly
- M48 Adapter
- M54 Adapter
- 2 x Riser Block
- Allen Key Set
- Soft Carry Case
| SKU | T-C-91 |
|---|---|
| Brand | William Optics |
| Optical Design | Apochromatic Refractor |
|---|---|
| Aperture | 4" / 91 mm |
| Focal Length | 448 mm |
| Focal Ratio | f/4.9 |
| Focuser | Dual-Speed Rack-and-Pinion |
| Eyepiece | Sold Separately |
| Finderscope | No |
| Mounting | Vixen Style |
| Optical Tube Dimensions | 21.9" / 55.6 cm |
| Weight | 13.9 lb / 6.3 kg |
|---|
| Package Weight | 21.515 lb |
|---|---|
| Box Dimensions (Lx WxH) | 26.4 x 13.7 x 12.2" |
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