Baader 1.25" Classic Orthoscopic Eyepiece - 18mm
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- 18 mm orthoscopic eyepiece based on classic Zeiss design offers high-contrast and razor-sharp images of Moon and planets
- Innovative ergonomic design for comfortable viewing position and elimination of stray side light
- Wider 52 degree apparent field of view to make it easy to locate target
- Ideal for use in binoviewers
Even before the disappearance of the famed Baader Genuine Orthoscopics in mid-2012, Baader Planetarium sought to develop a set of true Planetary eyepieces that was accessible for any amateur - without breaking their bank. Foregoing fancy (and costly) cosmetics, the new Classic Eyepieces deliver where it counts - performance. Their sharpness and contrast rival other 'planetary' eyepieces costing much more. To achieve this performance and value, Baader drew upon their extensive in-house knowledge and experience, combined with optical designs and processes leveraged from Zeiss.
Features of the new Classic Eyepieces:
- Optical design and manufacturing specs based on the highly regarded Zeiss Jena 0.965" orthoscopics (not any Japanese or Chinese makes).
- Fully multi-coated: All air-to-glass surfaces are coated with Baader's HT MultiCoatings, specifically matched to each substrate.
- Excellent ergonomics: The innovative recessed volcano top provides clearance for eyelashes and enables a comfortably located eyepoint without the stray light problems of a full volcano top.
- Integrated winged folding rubber eyecup: Eliminates distracting stray side-light, enabling full concentration on the object, as well as providing a thermally insulating and soft non-scratching top surface (ie, for eyeglass wearers). Also outstanding for BinoViewing. Rubber eyecup may be folded down or removed, if needed .
- 52-deg apparent field of view (6/10/18mm Orthoscopics): Makes finding and centering objects at high powers easier than typical 40-45deg eyepieces.
- Blackened lens edges; Parfocal.
- Threaded to accept standard 1.25" astronomy filters.
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Eyepiece Series | Baader Classic Orthoscopic |
| Focal Length | 18mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 52° |
| Eye Relief (Designed) | 14.7mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | HT Multi-Coated |
| Lens Elements | 4 |
| Lens Groups | 2 |
| Blackened Lens Edges | Yes |
| Barrel Type | Smooth sided |
| Protective Plastic Storage Container | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size | Agena 42x60mm |
| Optical Design | Orthoscopic |
| Height (With Eyeguard Extended) | 2.22" (56.3mm) |
| Maximum Width | 1.37" (34.8mm) |
| End Caps | 2 |
| Eye Lens Diameter | 0.62" (15.8mm) |
| Field Stop Diameter | 16.8mm |
| Parfocal | Yes |
| Rubber Eye Guard | Yes (Winged) |
| Weight | 2.86 oz (81 g) |
| Hide Found a better Shipped Price on Frontend? | No |
- 18 mm orthoscopic eyepiece based on classic Zeiss design offers high-contrast and razor-sharp images of Moon and planets
- Innovative ergonomic design for comfortable viewing position and elimination of stray side light
- Wider 52 degree apparent field of view to make it easy to locate target
- Ideal for use in binoviewers
Even before the disappearance of the famed Baader Genuine Orthoscopics in mid-2012, Baader Planetarium sought to develop a set of true Planetary eyepieces that was accessible for any amateur - without breaking their bank. Foregoing fancy (and costly) cosmetics, the new Classic Eyepieces deliver where it counts - performance. Their sharpness and contrast rival other 'planetary' eyepieces costing much more. To achieve this performance and value, Baader drew upon their extensive in-house knowledge and experience, combined with optical designs and processes leveraged from Zeiss.
Features of the new Classic Eyepieces:
- Optical design and manufacturing specs based on the highly regarded Zeiss Jena 0.965" orthoscopics (not any Japanese or Chinese makes).
- Fully multi-coated: All air-to-glass surfaces are coated with Baader's HT MultiCoatings, specifically matched to each substrate.
- Excellent ergonomics: The innovative recessed volcano top provides clearance for eyelashes and enables a comfortably located eyepoint without the stray light problems of a full volcano top.
- Integrated winged folding rubber eyecup: Eliminates distracting stray side-light, enabling full concentration on the object, as well as providing a thermally insulating and soft non-scratching top surface (ie, for eyeglass wearers). Also outstanding for BinoViewing. Rubber eyecup may be folded down or removed, if needed .
- 52-deg apparent field of view (6/10/18mm Orthoscopics): Makes finding and centering objects at high powers easier than typical 40-45deg eyepieces.
- Blackened lens edges; Parfocal.
- Threaded to accept standard 1.25" astronomy filters.
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Eyepiece Series | Baader Classic Orthoscopic |
| Focal Length | 18mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 52° |
| Eye Relief (Designed) | 14.7mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | HT Multi-Coated |
| Lens Elements | 4 |
| Lens Groups | 2 |
| Blackened Lens Edges | Yes |
| Barrel Type | Smooth sided |
| Protective Plastic Storage Container | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size | Agena 42x60mm |
| Optical Design | Orthoscopic |
| Height (With Eyeguard Extended) | 2.22" (56.3mm) |
| Maximum Width | 1.37" (34.8mm) |
| End Caps | 2 |
| Eye Lens Diameter | 0.62" (15.8mm) |
| Field Stop Diameter | 16.8mm |
| Parfocal | Yes |
| Rubber Eye Guard | Yes (Winged) |
| Weight | 2.86 oz (81 g) |
| Hide Found a better Shipped Price on Frontend? | No |
Baader 1.25" Classic Orthoscopic Eyepiece - 18mm # BCO-18 2954118