Manufacturer: William Optics
Product number: P-FLAT6A-102

EUR 249,00


incl. 19 % VAT (DE)  
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excl. 6.95 € shipping costs (DE)  
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  • Details..
  • Technical data..
  • In the box..
  • FAQ..
This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics 102 mm f6.9 ratio refractors.WO Flat 6A will provide good illumination and flat field across APS-C sized sensors and smaller.

APS size - Superb Finish
Designed with APS chip-size DSLR cameras in mind.
FMC doublet design.
Produced entirely with the best Ohara optical glasses.
William Optics polished anodized finish.
All internal surfaces threaded and blackened to prevent reflections.


Amanzing Effect
Reducing factor 0.8X - save 36% exposure time
It will flatten the field amazingly well and finally make you see those stars round! Differently from other brands´ refractors, this flattener works amazingly well with all popular 102 mm refractors.


Easy to Use
Standard T2 connection - accepts T2 rings
55 mm working distance (DSLR camera + T2 ring ... ready)

Reduction factor:0.8x
Lens design:Dublet design
Coating:fully multicoated
Connection to telescope:2" barrel with 2" filter thread
Connection to camera:T2 - M42x0.75
Weight:165 g
William 0.8x corrector
Dust caps


Question:
How do you have to measure the working distance?

Answer from Teleskop-Service:
The working distance is measured from the beginning of the connection thread on the housing of the corrector (see example picture):




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