Description
This product has been discontinued and is here for informational purposes only.
This 4mm Astro-Tech Value Line is one of the shortest focal length and most economically-priced Plssl eyepieces available. It’s designed for very high magnification lunar and planetary observing and for splitting close binary stars . . .This 4mm Astro-Tech fully-multicoated Value Line Plssl is one of the shortest focal length and most economically-priced Plssl eyepieces available. It’s designed for very high magnification lunar and planetary observing and for splitting close binary stars. Short eye relief will vignette the field of view for eyeglass wearers, so we can’t recommend this eyepiece for those whomust wear glasses while observing. However, vignetting of the edges of the field shouldn’t be an issue when observing small objects, such as planets, and when splitting binary stars.
Tech Details:
| Barrel Size | 1.25″ |
|---|---|
| Eye Relief | 6mm |
| Field of view | 52 |
| Focal Length | 4mm |
| Number of optical elements | 4 |
| Weight | 2.6 oz. |
| Warranty | 1 year |
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