Pulsar
Pulsar PSP-56B Ring Adaptor
Pulsar PSP-56B Ring Adaptor
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The Pulsar PSP-56B ring adaptor connects a compatible Pulsar Krypton, Krypton 2 or Proton thermal attachment to your day scope's objective housing. Its bayonet connection allows quick attachment and removal, while the screen-positioning mechanism helps align the thermal image with the daytime optic.
Key features
- Compatible with Pulsar Krypton, Krypton 2 and Proton thermal imaging attachments.
- Bayonet connection for quick attachment and removal.
- Precise screen-positioning mechanism for comfortable alignment.
- Supplied insert rings provide a smooth fit and protect the day optic's housing.
- Typically suited to 56 mm objective lenses; final fit must be checked using the housing's outside diameter.
Specifications
| Model | PSP-56B |
| Product type | Thermal clip-on ring adaptor |
| Nominal day-scope lens size | 56 mm |
| Fit selection | Outside diameter of the day optic's objective housing |
| Manufacturer SKU | 79208 |
How to measure and choose your size
- Measure the outside diameter of the objective housing at the front of your day scope, where the adaptor will clamp. Use callipers for an accurate reading in millimetres.
- Measure the housing, not the glass lens, main scope tube or a removable lens cap. The number in a scope name such as 3–12×50 describes the lens diameter, not the outside housing diameter.
- Find your measured housing diameter in the table below. Choose the corresponding supplied insert and this adaptor only if the measurement is listed.
- If your measurement is not covered, compare the PSP-42B, PSP-50B and PSP-56B tables. Do not assume that a 50 mm lens automatically needs the PSP-50B.
- Fit the selected insert before mounting the adaptor, following the Pulsar installation instructions. If your measurement falls outside the listed ranges or you are unsure of the mounting surface, confirm compatibility before ordering.
Included inserts and compatible housing sizes
| Insert inner diameter (mm) | Day-scope housing outside diameter (mm) |
|---|---|
| 60 | 59.7–60.6 |
| 61 | 60.7–61.6 |
| 62 | 61.7–62.6 |
| 63 | 62.7–63.6 |
| 64 | 63.7–64.6 |
| 65 | 64.7–65.6 |
Single figures in this table are the exact sizes stated by Pulsar; they are not continuous ranges. The day scope and thermal attachment are not included.
Read the Pulsar installation instructions
Video: choosing and fitting a PSP-B adaptor
Watch Pulsar’s official PSP-B adaptor overview on YouTube
The video introduces the adaptor models and bayonet mounting system. For the exact size, measure your day scope’s objective housing outside diameter and match it to the insert-size table above; do not choose solely from the lens diameter printed on the scope.
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