Telescopes

Ritchey Chretien astrograph with 250 mm aperture with corrector and fast focal ratio of f/6.4 for astrophotography with sensors up to full frame format

• Aperture 250 mm / focal length 1625.5 mm / focal ratio f/6.4
• High quality 3" rack and pinion focuser with internal corrector and 360° rotation - everything is screwed together
• Primary mirror and secondary mirror made of quartz glass for stable focus position
• 94% enhanced reflectivity on primary mirror and secondary mirror for a bright image and short exposure times
• Carbon truss tube with high quality workmanship for optimal stiffness and focus stability
• Working distances 55 mm from M48x0.75 thread (adapter included) and 73.7 mm from M68x1 thread for individual adaptations
• Two Losmandy style dovetail bars for adapting to mounts and attaching optional accessories such as guiding scope
• The focuser can be tilted independently from the primary mirror (tilting)
• Ventilation of the primary mirror accelerates cooling down
• Extensive accessories like 2" connection for observation, extension rings between focuser and telescope, finder shoe on the tube ...
• Each RC is checked and optimized by TS/APM before shipping. It is provided with a checklist.

New Vixen SD115SII apochromatic high-performance refractor with FPL53 SD glass and improved optical properties for demanding observers and astrophotographers

• Apochromatic high-performance refractor with FPL53 ED glass
• Reduces chromatic aberration to an absolute minimum
• Guarantees enormously high contrast and excellent sharpness
• You get a very colour-pure, sharp and neutral image
• Very light and transportable, ideally suited for mobile applications
• Fully-coated 115 mm SD lenses without spacer plates
• No more unwanted spikes visible on the stars
• High quality standard "Made in Japan"
• Dimensions: 125 x 920 mm
• Weight: 6.3 kg with accessories

The Ultra-Cat 76 is a powerful apochromatic 76 mm refractor designed for astrophotographers who demand very high sharpness and color fidelity.

• Aperture ratio 1:4.8
• Petzval optical design with integrated corrector (five elements in total)
• Temperature-stable lens cells
• Color-pure and sharp imaging even when using a full-frame sensor
• William Optics Internal Focus Design (WIFD)
• Rotator and tilt flange included
• Patented multifunctional handle
• Camera-side connection: M54, M48

The William Optics GT 81 apo stands for optimal chromatic correction and best possible contrast - a powerful travel telescope for observation and photography.

• Aperture 81 mm
• Focal length 480 mm
• Focal ratio f/5.9
• Multicoated, air-spaced FPL53 triplet lens
• 2.5" RAP focuser with M63x1 connection thread, as well as 2" and 1.25"
• Multifunction handle with holder for guide scopes
• Bahtinov mask integrated
• Variable carrier bag
• Vixen/EQ5 style dovetail bar

SVBONY SV503 Telescope ED 80mm F7 Doublet Refractor OTA for Exceptional Viewing and Astrophotography

• Extra-low dispersion (ED) glass: The SV503 80mm features ED glass for high-contrast, crystal clear, color-accurate images, perfect for discerning observers;
• Fully Multi-Coated Optics: The whole optical lens adopts the technology of ultra-wideband multilayer coating.Fully multi-coated ED optics deliver outstanding views during day or night;
• Dual-Speed Focuser for Precision: Featuring a 1:10 dual-speed rack and pinion focuser, the 2-inch toothed focuser allows for smooth and precise focusing adjustments, ensuring sharp images for both visual observation and astrophotography;
• Top-quality material: The appearance of the SV503 OTA is baked with high-end fine-grained paint,with exquisite appearance and delicate feel,all machined by CNC;
• Areas of application:SV503 80mm F7 telescope would be better begin for astronomy amateurs to do astrophotography.

2'' Connector Takahashi FS-60/78 FC-76DC und FC-100 DC, TKA21110

• Connection (object side): M56x0,75(neg)
• Connection (observer side): 50,8mm(neg)
• lightpass: 39mm

The Askar 140APO is an apo refractor with 140 mm aperture, 980 mm focal length and a focal ratio of f/7 with many practical features.

• Aperture 140 mm - Focal length 980 mm - Focal ratio f/7
• Triplet objective with one ED element
• Stable 3.5" dual-speed RAP focuser with 360° rotation connection and 100 mm adjustment travel
• Sufficient working distance for observation with 2" accessories and for photography
• Flattener and two reducers available (0.8x)
• CNC tube rings with dovetail bar (Losmandy style) and carrying handle
• Two finder shoes