About this product
Model: borg_7214
Part Number: 7214
The 7214 teleconverter works with Borg scopes from the Mini Borg 45ED up to the Borg 101ED, and third-party refractors between 300mm and 640mm focal length. It is specifically designed to minimize internal reflections when photographing bright objects such as the moon, sun, or solar eclipses.
Recommended configuration for use with DSLR cameras:
7214 - 7000 - 500x (camera adapter) - DSLR camera body
| A: | | M57 P0.75 Male | | B: | | M57 P0.75 Female | |
Notes:
- Distance from B-side interface flange to image plane is 60mm (fixed distance).
- Adjustment for objective focal length does not require the use of tools. The adjustment position of the assembly is held by friction.
| Optical Performance | 0mm | 28mm | 43mm | | 45ED | | | | | Illumination (%) | 100% | 90% | 76% | | Spot size (micron) | 20 | 20 | 20 | | | | 60ED/77ED | | | | | Illumination | 100 | 85 | 71 | | Spot size | 30 | 20 | 20 | | | | 101ED | | | | | Illumination | 100 | 85 | 63 | | Spot size | 30 | 20 | 20 | |
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