William Optics GT102 102mm f/6.9 Apo Refractor w/ DDG Focuser
This item is discontinued by the manufacturer and is no longer available.
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Availability: Item has been discontinued and is no longer available.
The GT 102 three-element super apo from William Optics offer superb quality for imaging and visual use at an affordable price.
The package includes:
- GT 102 three element design with FPL-53 and other ED element glass
- Tube mounting rings
- Retractable dew shield
- 2" DDG focuser design with 360-degree rotatable focuser
- 2 speed knobs 1:10
- Aperture: 102mm F6.9
- Free dovetail plate
- Weight: 11 lb; length: 27"
The stunning new William Optics GT 102 APO is the new jewel of the apochromatic refractor world. From the pristine white finish on the CNC to the elegant gold trim, this beauty has more than just good looks. The new GT 102 features a 3-element objective using high-quality FPL-53 glass and combined with other extra-low dispersion glass that reduces any secondary spectrum to an unbelievable degree.
Optically Unbeatable
- Three-elment air-spaced primary objective (FPL-53) in adjustable CNC machined ultra high precision lens cell.
- Extremely sharp with excellent color correction.
- Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces.
- This f/6.9 is geat for astrophotography.
Simply Beautiful Finish
- Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, gold finish,
- Retractable dewshield and dewshield cap.
- 360-deg rotatable focuser with DDG (Digital Display Gauge).
- Top quality anodizing.
Attention to Details
- 2" & 1.25" adapter included in the price.
- Anti-marring brass compression rings.
- Mounting rings / dovetail are included.
- 2-year warranty from William Optics.
The GT 102 three-element super apo from William Optics offer superb quality for imaging and visual use at an affordable price.
The package includes:
- GT 102 three element design with FPL-53 and other ED element glass
- Tube mounting rings
- Retractable dew shield
- 2" DDG focuser design with 360-degree rotatable focuser
- 2 speed knobs 1:10
- Aperture: 102mm F6.9
- Free dovetail plate
- Weight: 11 lb; length: 27"
The stunning new William Optics GT 102 APO is the new jewel of the apochromatic refractor world. From the pristine white finish on the CNC to the elegant gold trim, this beauty has more than just good looks. The new GT 102 features a 3-element objective using high-quality FPL-53 glass and combined with other extra-low dispersion glass that reduces any secondary spectrum to an unbelievable degree.
Optically Unbeatable
- Three-elment air-spaced primary objective (FPL-53) in adjustable CNC machined ultra high precision lens cell.
- Extremely sharp with excellent color correction.
- Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces.
- This f/6.9 is geat for astrophotography.
Simply Beautiful Finish
- Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, gold finish,
- Retractable dewshield and dewshield cap.
- 360-deg rotatable focuser with DDG (Digital Display Gauge).
- Top quality anodizing.
Attention to Details
- 2" & 1.25" adapter included in the price.
- Anti-marring brass compression rings.
- Mounting rings / dovetail are included.
- 2-year warranty from William Optics.
| Manufacturer | William Optics |
|---|
| Aperture | 102mm |
| Focal Ratio | F/6.9 |
| Focal Length | 703mm |
| Objective designed | 3 elements with FPL53 and ED together |
| Resolving Power | 1.13 arc |
| Limiting Magnitude | 13.9 |
| Lens Shade | Retractable |
| Focuser | 2 DDG focuser, 360° Rotating Camera-angle Adjuster, 2 speed 1:10 knobs 1.25" Adapter Included |
| 1.25" Adapter | Brass Compression Rings |
| Tube Diameter | 105mm |
| Mounting Rings | provided |
| Tube Length | 27" (689mm) Fully Retracted |
| Tube Weight | 11 lbs. (5.0kg) |
| Case | High Quality Soft Case |
| Case Dimensions (W x H x D) |
31" x 10" x 13 " (78cm x 25m x 34cm) |
Availability: Item has been discontinued and is no longer available.
The GT 102 three-element super apo from William Optics offer superb quality for imaging and visual use at an affordable price.
The package includes:
- GT 102 three element design with FPL-53 and other ED element glass
- Tube mounting rings
- Retractable dew shield
- 2" DDG focuser design with 360-degree rotatable focuser
- 2 speed knobs 1:10
- Aperture: 102mm F6.9
- Free dovetail plate
- Weight: 11 lb; length: 27"
The stunning new William Optics GT 102 APO is the new jewel of the apochromatic refractor world. From the pristine white finish on the CNC to the elegant gold trim, this beauty has more than just good looks. The new GT 102 features a 3-element objective using high-quality FPL-53 glass and combined with other extra-low dispersion glass that reduces any secondary spectrum to an unbelievable degree.
Optically Unbeatable
- Three-elment air-spaced primary objective (FPL-53) in adjustable CNC machined ultra high precision lens cell.
- Extremely sharp with excellent color correction.
- Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces.
- This f/6.9 is geat for astrophotography.
Simply Beautiful Finish
- Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, gold finish,
- Retractable dewshield and dewshield cap.
- 360-deg rotatable focuser with DDG (Digital Display Gauge).
- Top quality anodizing.
Attention to Details
- 2" & 1.25" adapter included in the price.
- Anti-marring brass compression rings.
- Mounting rings / dovetail are included.
- 2-year warranty from William Optics.
| Manufacturer | William Optics |
|---|
| Aperture | 102mm |
| Focal Ratio | F/6.9 |
| Focal Length | 703mm |
| Objective designed | 3 elements with FPL53 and ED together |
| Resolving Power | 1.13 arc |
| Limiting Magnitude | 13.9 |
| Lens Shade | Retractable |
| Focuser | 2 DDG focuser, 360° Rotating Camera-angle Adjuster, 2 speed 1:10 knobs 1.25" Adapter Included |
| 1.25" Adapter | Brass Compression Rings |
| Tube Diameter | 105mm |
| Mounting Rings | provided |
| Tube Length | 27" (689mm) Fully Retracted |
| Tube Weight | 11 lbs. (5.0kg) |
| Case | High Quality Soft Case |
| Case Dimensions (W x H x D) |
31" x 10" x 13 " (78cm x 25m x 34cm) |