APM offers you a large selection of very high quality mounted lenses for your do-it-yourself project. We can offer you sizes between approx. 80mm to over 300mm.
The combination of materials results in an unusually high image quality for this price and makes the lens a real all-rounder for visual and astrophotographic applications.
Focal ratio 1:7
Aperture 180mm
Focal length 1260mm
FCD100 Triplet Optics
Temperature compensated cell allows collimation of the lens via three side screws.
Good as a basis for the do-it-yourself construction of a high-quality refractor
TS-Optics Triplet APO Objective 115mm f/6.95 - lens in cell
Powerful 115mm APO Objective - ideal for a self-made APO or Astrograph.
Aperture: 115 mm
Focal length: 800 mm
Focal ratio: f/6.95
Triplet Apo Objective with two special glasses (Lanthanum glass and FPL51) - Ohara Japan - colour correction comparable with FPL53 triplet objective The air-spaced objective is adjustable mounted