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APM Ultra Flat Field Eyepieces 65°

APM Ultra Flat Field Eyepieces 65°
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Eyepiece Focal Length: 10mmEyepiece Focal Length: 15mmEyepiece Focal Length: 18mm
Eyepiece Focal Length: 24mmEyepiece Focal Length: 30mm
Price:  £89.00(Inc. 20% VAT)
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Product Code:  apm-ufl10
Manufacturer:  APM Telescopes


These 1.25" Ultra Flat Field Eyepiece are made to a high standard and feature a compact form factor. Integral to the design brief was the emphasis on removing field curvature, resulting in a flat, distortion-free image up to the edge of the visible field of view even in very fast (low focal ratio) telesocpes and binoculars. The eyepiece has oversized eyepiece lenses for the largest possible field of view and 16mm eye relief. This also makes them also suitable for spectacle wearers. A foldable eyecup is also provided for comfort. All lenses feature broadband multicoating (FMC) and blackened lens edges for maximum contrast. The nose of the eyepiece is threaded for 1.25" filters. This eyepiece also features an M37 thread for digiscoping use.

The APM UFF range of eyepieces offer quality comparable to reference products like the TeleVue Panaoptic but at a much lower price.

  • Type  -  Flat Field Eyepiece
  • Eye Gaurd    Rubber / Foldable
  • Coating    Broadband Multi-coated
  • Nosepiece    1.25" with thread

10mm:

  • Focal Length  - 10 mm
  • Field of View    60°
  • Eye Relief    16mm
  • Lenses / Groups    5 Elements in 4 groups
  • Field Stop    14.7mm
  • Diameter    17mm (Eye Lens)
  • Length    26mm (Excl Nosepiece)
  • Weight    79g

15mm:

  • Focal Length  - 15 mm
  • Field of View    65°
  • Eye Relief    16mm
  • Lenses / Groups    8 Elements in 5 groups
  • Field Stop    19.6mm
  • Diameter    15mm (Eye Lens)
  • Length    37mm (Excl Nosepiece)
  • Weight    136g

18mm:

  • Focal Length  - 18 mm
  • Field of View    65°
  • Eye Relief    20mm
  • Lenses / Groups    8 Elements in 4 groups
  • Field Stop    23.4mm
  • Diameter    27mm (Eye Lens)
  • Length    45mm (Excl Nosepiece)
  • Weight    206g

24mm:

  • Focal Length  - 24 mm
  • Field of View    65°
  • Eye Relief    29mm
  • Lenses / Groups    8 Elements in 5 groups
  • Field Stop    30.2mm
  • Diameter    35mm (Eye Lens)
  • Length    69mm (Excl Nosepiece)
  • Weight    331g

30mm:

  • Focal Length  - 30 mm
  • Field of View    70°
  • Eye Relief    22mm
  • Lenses / Groups    9 Elements in 5 groups
  • Field Stop    38mm
  • Diameter    54mm (Eye Lens)
  • Length    75mm (Excl Nosepiece)
  • Weight    556g

The APM UFF range of eyepieces offer quality comparable to reference products like the TeleVue Panaoptic but at a much lower price.

  • Type  -  Flat Field Eyepiece
  • Eye Gaurd    Rubber / Foldable
  • Coating    Broadband Multi-coated
  • Nosepiece    1.25" with thread

10mm:

  • Focal Length  - 10 mm
  • Field of View    60°
  • Eye Relief    16mm
  • Lenses / Groups    5 Elements in 4 groups
  • Field Stop    14.7mm
  • Diameter    17mm (Eye Lens)
  • Length    26mm (Excl Nosepiece)
  • Weight    79g

15mm:

  • Focal Length  - 15 mm
  • Field of View    65°
  • Eye Relief    16mm
  • Lenses / Groups    8 Elements in 5 groups
  • Field Stop    19.6mm
  • Diameter    15mm (Eye Lens)
  • Length    37mm (Excl Nosepiece)
  • Weight    136g

18mm:

  • Focal Length  - 18 mm
  • Field of View    65°
  • Eye Relief    20mm
  • Lenses / Groups    8 Elements in 4 groups
  • Field Stop    23.4mm
  • Diameter    27mm (Eye Lens)
  • Length    45mm (Excl Nosepiece)
  • Weight    206g

24mm:

  • Focal Length  - 24 mm
  • Field of View    65°
  • Eye Relief    29mm
  • Lenses / Groups    8 Elements in 5 groups
  • Field Stop    30.2mm
  • Diameter    35mm (Eye Lens)
  • Length    69mm (Excl Nosepiece)
  • Weight    331g

30mm:

  • Focal Length  - 30 mm
  • Field of View    70°
  • Eye Relief    22mm
  • Lenses / Groups    9 Elements in 5 groups
  • Field Stop    38mm
  • Diameter    54mm (Eye Lens)
  • Length    75mm (Excl Nosepiece)
  • Weight    556g

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