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Categories›Astronomy›Pentax XW40-R Eyepiece
Pentax XW40-R Eyepiece
Updated 10 May 2026
BrandPentax
CategoryAstronomy > Eyepieces > Ultra Wide Eyepieces
Available at1 UK stores
90-day avg£295.00
Pentax

Pentax XW40-R Eyepiece

£295.00£399.99↓ 26% offFair Price
Cheapest at Wex · 1 store
Buy at Wex — £295.00
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CHEAPEST£295.00
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PRICE HISTORY
Current
£307
Change
+19.0%
Avg
£286
Low
£258
High
£307
Volatility
4.8%
PRODUCT DESCRIPTION
  • The Pentax XW40-R Eyepiece features high-performance XW-series optics with high-refraction and extra-low dispersion lanthanum glass elements. Combined, they deliver a well-balanced image with reduced optical aberrations. Its main purpose is to minimise the disturbing blackout effect via effective compensation for spherical aberration of the pupil.