VIS-NIR – display eyepieces
28.8 mm Long-Eye-Relief Eyepiece
Large-format viewing eyepiece with diopter adjustment and long eye relief.
Full parameter record
28.8 mm Long-Eye-Relief Eyepiece – published specifications
Every value below is the reference record for this configuration. Values marked as a reference, a target or a minimum are confirmed against the detector datasheet and the approved drawing before a quotation is issued.
| Parameter | Published value |
|---|---|
| Focal length | 28.8 mm |
| Magnification | 8.68× |
| Eye relief | 45 mm |
| Exit pupil | Φ6 mm |
| Working wavelength | 450–680 nm |
| Display reference | 1.03-inch OLED |
| Field of view | Φ40.4° |
| Distortion | −3.7% max |
| Diopter range | −5 to +5 |
| Weight | ≤138 g |
| Dimensions | Φ50 × 94.18 mm |
| Interface | M38 × 0.75-6g |
| Environment | −40 to +60 °C; IP67; 1000 g / 0.4 ms shock |
Reference policy: the signed quotation, approved drawing, sample and inspection plan define the delivered performance, coating, sealing, MOQ and lead time. Values published here are engineering references for screening, not a guaranteed specification.
Before this configuration is released
What to confirm with us
Send these five inputs and the quotation can be prepared against your system rather than against a catalogue headline.
01Display diagonal and pixel pitch of the microdisplay the eyepiece will serve
02Required magnification, eye relief and exit pupil diameter
03Diopter adjustment range and the mechanical interface to the display module
04Distortion and image-quality target across the full field of view
05Mass, sealing, shock and vibration limits, and the release documents required
Related references
Other configurations in the same family
- 25 mm Lightweight Low-Light Objective
- 22.6 mm VIS–NIR Low-Light Objective
- 9.8 mm Ultra-Wide VIS–NIR Objective
- 25 mm Wide-Field Eyepiece
Browse the full category page: Visible & VIS-NIR Lenses.
Send the detector data and we will confirm the fit.
Share the detector type, resolution, pixel pitch, required field of view and the mechanical envelope. We will return the configuration route, the documents we can issue and the next sourcing step.