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APQ Flattener for APQ 130/1000 Fluorite Quadruplet Polychromat
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APQ 130/1000 Fluorite Quadruplet Polychromat with APQ Flattener for APQ 130/1000
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APQ Field Corrector for APQ 130/1000

APQ Field Corrector for APQ 130/1000

Special three lens aspherical design (1xCaF₂) for APQ 130/1000 Polychromat
1000mm system focal length
f/7.7 focal ratio
Ø61.5mm (3.5°) flattened image field diameter without vignetting
≤ 4µm (365nm – 1014nm) / Ø61.5mm (3.5°) polychromatic RMS spot radius vs. field
Ultra broad band AR coating
87mm backfocus
Lens cell made of high quality aluminum alloy
Dovetail ring S98a on the telescope side
Thread M78x1i on the camera side
Price
valid until  
on request
incl. 19% VAT
excl. shipping costs

Price valid from  
 
incl. 19% VAT
excl. shipping costs

Net export price valid until  
  €
excl. shipping costs

Net export price valid from  
 
excl. shipping costs
Delivery time
on request

Inquiry

Price valid until 08/2022
€  
incl. 19% VAT
excl. shipping costs

Price valid from 09/2022
on request
incl. 19% VAT
excl. shipping costs

Net export price valid until 08/2022
€  
excl. shipping costs

Net export price valid from 09/2022
on request
incl. 19% VAT
excl. shipping costs

Delivery time
on request

Inquiry


  • Description
  • Specification
  • Downloads

The APQ 130/1000 Fluorite Quadruplet Polychromat is a universal planetary refractor; a system of the highest possible image quality, in which the basic system represents the polychromatic objective.

Depending on the task of observation, the basic system is combined with the Polychromatic Field Corrector or Polychromatic Focal Reducer Corrector for the APQ 130/1000 Fluorite Quadruplet Polychromat.

The diffraction-limited correction is maintained in the spectral range from 365nm to 1014nm, so that the UBVRI spectral range of modern CCD and CMOS sensors can be fully utilized.


System focal length
1000mm

Focal ratio
f/7.7

Image scale
3.438'/mm or 0.291mm/'

Image field diameter
Ø61.5mm (3.5°)

Polychromatic RMS spot radius vs. field
≤ 4µm (365nm – 1014nm) / Ø61.5mm (3.5°)
(theoretical)

Maximum focal shift range
±0.004% (365nm – 1014nm)
(theoretical)

Anti-reflection coating
Ultra-ARB RAVG < 0.7% (365nm – 1014nm)
(theoretical)

Number of lenses
3 (1xCaF₂)

Backfocus
87mm

Connection on the telescope side
Dovetail ring S98a

Connection on the camera side
Thread M78x1i

Product information

APQ Polychromats
APQ 130/1000 Polychromat


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