40mm Camera Projection eyepiece 1.25"


The Ploss CPL eyepiece series features fully multi-coated lenses, good apparent fields of view, excellent contrast, and the convenience of a versatile photography adapter and eyepiece in one intergated accessory for your telescope.

The top of this 1.25" eyepiece features a standard T / T2 male thread (M42x0.75) that can be exposed by unscrewing a threaded guard. Using a T-ring specific to your camera brand (not included), you can connect your camera easily to this eyepiece. This combination can be inserted into any telescope with a 1.25" focuser tube. The outer sleeve / barrel of the CP Lens eyepiece can then be adjusted to move upward or downward for optimum viewing performance, and can be extended until you have reached its perfect viewing position for your imaging needs.


Eyepiece Series Super-Plossl
Focal Length 40mm
Barrel Size 1.25" (31.7mm)
Apparent Field of View (Mfg Specified) 45°
Eye Relief (Designed) 22mm
Filter Threads Standard 1.25" Filter Thread (M28.5 x 0.6)
Coatings Fully Multi-Coated
Lens Elements 4
Blackened Lens Edges Yes
Barrel Safety Recess Yes
Barrel Type With safety undercut
Optical Design Plossl
End Caps 2
Rubber Eye Guard Yes


  • Model: CPL40
  • Shipping Weight: 0.5lbs
  • 3 Units in Stock

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This product was added to our catalog on Tuesday 16 August, 2016.

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