This telescope is inspected, measured and adjusted if necessary. 
  
How we adjust: About us

APM-EMS Bino 152

2x APM Doublet SD Apo 152f / 7.9 FPL53 optical special tubes for Bino application

Every single APM 152 f / 7.9 tube convinces with its high performance. Both tubes have a double optic, each with an OHARA FPL-51 ED lens. This new innovative combination leads to a color correction that is far above the usual in this price category. Before assembly and shipping, each lens goes through an interferometric test at 532nm (green). APM thus guarantees an extremely high quality for this bino telescope and a congruent quality for both optics.
The instrument is supplied with two massive 3 inch pullouts from Starlight Instruments.

The advantages over a telescope with Bino as a beam splitter
With the beam splitting in the standard bino approach, performance is lost purely technically. Not only does the image become darker, but also sharpness and contrast are reduced. Not so if you use two parallel telescopes as bino. Although the image does not become brighter than with a telescope and with one eye, the perception of contrast and the achievable visual resolution increases noticeably. This is particularly evident in DeepSky objects such as galaxies and nebulae, which can now be observed much more plastically (almost three-dimensionally) and with a clear plus in details.

What is special about the 152mm Bino APO:
Very high quality and of convincingly good optical quality
2x pure optics with FPL-51ED glass
2x precise FT 3 "extract 1:10 reduction
With f / 7.9 ideal for visual observations
CNC pipe clamps
handles
ergonomic prisms from Matsumoto (for image erection)
suitable for 2 "and 1.25" eyepieces

When building a large binocular from two telescope tubes, there are some important problems that all have to be solved. This includes the following points:
Absolute parallelism of the two optical axes
Easy comparison of the two images, individually adjustable for both eyes
Adjustable eye relief of the two optical axes
Delicate focusing, because with such a Bino you can easily use the entire magnification range
Terrestrial image erection
High sharpness and lossless contrast transmission

Watching is really fun! Both instruments are screwed tight and attached to a stable mount. A real treat for all visual observers !!!

Scope of delivery:
2x 152mm optics
2x Feathertouch focusers
Mittelmontierung
Matsumoto EMS UXL2 "deluxe deflection unit (prisms / mirror)
clamps
handle



specifications:
Telescope type: Doublet ED-Apochromat

Lens: Doublet ED Apo with FPL51 element

Opening: 2x152mm

Aperture: f / 7.9

Focal length: 1200 mm

Remuneration: Multicoating

Eyepiece focus: 2x 3 "Feathertouch focus

Eyepiece connection: 2 inch and 1.25 inch via adapter