Zoom Eyepieces

APM Super Zoom eyepiece with APM comacorrecting barlow.

Features:

• Wide focal length range between 7.7 and 15.4mm (with APM Barlow 4mm to 8.1mm)
• Wide angle field of view
• High quality, multicoated optics
• Sophisticated optical-mechanical design
• Modern MC multicoating
• Optimized, comfortable viewing behavior
• Blackened lens edges
• Click stop 8 clicks : 7.7-8-9-10-11-12-13-14-15.4
• Click stop 8 clicks with APM Barlow : 4-4,2-4,8-5,3-5,8-6,3-6,9-7,4-7,9-8,1
• 2 upper external threads for connection of Tele Vue Dioptrix or adapter M43 x 0.75 and M37 x 0.75
  plug diameter 1.25" with filter thread, as well as 2" plug
• apparent field at 7.7 ( 5.0 mm ) mm 67° and at 15.4 ( 10.0 mm ) mm 66°.

• One eyepiece for all magnifications - that is what this set offers
• Consisting of Hyperion Universal Zoom eyepiece 8-24 mm Mark IV and Hyperion Barlow lens 2.25x
• This combination provides a focal length range from 3.6 mm to 24 mm
• Of course, you can use the Hyperion 2.25x Barlow lens #2956180 and the Mark IV Zoom separately, too
• The set is meant for astronomical purposes if you want to cover all magnifications with one eyepiece.

Are you looking for an eyepiece that offers you an impressive viewing experience? Then the SVBONY SV215 Zoom Eyepiece is the perfect choice for you!

Characteristic

• The apparent field of view and the usable eye relief to stay the same as the focal length changes.
• Smooth zoom action with click-stops at 3, 4, 5, 6,7 and 8mm for quick changes to precise preset magnifications.
• Parfocal across the entire zoom range (minor tweaking may be necessary, however).

The SV245 zoom eyepiece features 8 high-quality elements and multi-coated optics. This cutting-edge design delivers exceptional sharpness, vivid contrast and true-to-life color correction.

• Advanced Optics: Features 8 high-quality elements, including aspherical lenses and multi-coated optics;
• High-definition 2X zoom: This zoom astronomical telescope eyepiece comes equipped with high-quality 2X zoom capabilities; allowing you to effortlessly achieve double magnification during observation;
• Parfocal Design: Parfocal across the entire zoom range. There is almost no need to refocus when changing magnification.
  Click Stop knob: Each focal length from 8mm to 16mm is equipped with a precise detent. Provides convenience for stargazing in the dark night;
• Dual-lens interface: Features a 1.25" and 2" dual-lens design;
• Compatibility for Astigmatism Corrector Installation: Compatible with all mainstream astigmatism correctors on the market, solving vision focusing problems caused by astigmatism.