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Askar Reducer f/3.9 for Refractor FRA400
US$ 302.07FullFrame f/3.9 reducer for Askar FRA400 - Allows you to reduce the Askar FRA400 to f/3.9 with a flattened field for FullFrame - Diagonal equal to 44mm. Integrated 2" thread - M48x0.75 connection. Backfocus 55mmAskar FRA400 72mm f/5.6 Refractor
US$ 1,246.61Refractor 72mm flattened quintuplet Askar FRA400 focal length F / 5.6 - Correct image circle 44mm- T-2/90 ° diagonal prism (BaK4 glass) with 35mm free aperture terminal objective side: 2 "or 1¼"
- Connection eyepiece: 1¼ "
- Prism made in accordance to Zeiss-norms, multi-coated, solid metal case, both sides T-2 connection threads, resulting in extremely short design and adaptable to each telescope system.
- Not just the housing is significantly better and the prism is greater, also the planarity and the conformality of the prism faces are about 5x better than standard prisms in plastic housings.
OUT OF STOCK
SkyWatcher Maksutov Skymax 150
Regular Price: US$ 761.87
US$ 711.97
The Sky-Watcher Skymax Maksutov-Cassegrains are the ultimate take-anywhere telescopes. Despite their small dimensions they pack a powerful punch. Their high-resolution, diffraction-limited optical systems are multi-coated to maximize contrast and image sharpness.Daystar QUARK Magnesium I b2-line
US$ 1,335.72Explore highly magnetized and powerful excitations in the bright Magnesium I (b2) line. For use on refractors of F/4 - F/8 focal ratio refractors. This latest and likely the last wavelength offered for Quark reveals a whole new area of highly magnetized high energy in the bright 5172.8Å wavelength. The eye is most sensitive at this wavelength so the image is significantly brighter than calcium. Views show both plage and dark mottling of chromospheric network.Baader 2" to 1.25" ClickLock Reducer
US$ 69.50- Precise machined 2 "to 1¼" reducer to complete the Baader ClickLock system inserted height only 9.5mm
- Requires only light pressure on the ratchet lever to have an extremely strong hold
- ClickLock compression ring made of hardened Bronze ensures lifetime non-marring operation
- T-2 (M42x0,75) inner photo-thread attaches onto most T-2 threaded accessories and all Baader T-2 diagonals
Geoptik Telescope Cover 150x180
US$ 86.88- Protective sheet for telescopes.
- It reflects the totality of the sun's rays and prevents the instrument and electronic parts from overheating.
- Totally waterproof.
- Dimensions: 150x180 cm
OUT OF STOCK
Geoptik Telescope Cover 95x135
US$ 70.39- Protective sheet for telescopes.
- It reflects the totality of the sun's rays and prevents the instrument and electronic parts from overheating.
- Totally waterproof.
- Dimensions: 95x135 cm
Geoptik Telescope Cover 120x160
US$ 79.30- Protective sheet for telescopes.
- It reflects the totality of the sun's rays and prevents the instrument and electronic parts from overheating.
- Totally waterproof.
- Dimensions: 120x160 cm
Celestron Dew Shield for C9.25 and C11
US$ 65.05- Prevents dew from forming on your Schmidt-Cassegrain or EdgeHD corrector lens
- Fits 9.25” and 11” optical tubes
- Cutout accommodates telescope dovetail rails
- Felt-lined interior surface captures moisture and reduces stray light
- Rolls up for easy transport
Celestron Dew Shield DX for C6 and C8
US$ 46.34- Prevents dew from forming on your Schmidt-Cassegrain or EdgeHD corrector lens
- Fits 6” and 8” optical tubes
- Cutout accommodates telescope dovetail rails
- Felt-lined interior surface captures moisture and reduces stray light
- Rolls up for easy transport
Celestron Inspire 100AZ
Regular Price: US$ 400.09
US$ 355.54
100mm INSPIRE Gamma refractor telescopeTS-Optics Doublet SD Apo 72 mm f/6 - FPL53
US$ 542.66TS Photoline APO refractor wit 72 mm aperture and fast f/6 focal ratio, a great travel telescope for observation and astrophotography.
- ♦ Powerful, aberration-free apochromatic refractor with 72 mm aperture and 432 mm focal length.
- ♦ Fast focal ratio: f/6
- ♦ FPL53 doublet objective (Ohara Japan), air-spaced - additional lanthanum element, so no chromatic aberration
- ♦ 2.5" dual-speed rack-and-pinion focuser - ball bearing mounted for maximum load with M63x1 female thread for adaptions
- ♦ Retractable dew cap - the apo even fits into the hand luggage
- ♦ CNC tube rings with versatile dovetail bar - EQ5 style and with photo tripod connection.
- ♦ Findershoe on the focuser is included
- ♦ Weight only 2.18 kg - transport length only 31 cm
- With the stop collar bottoming of 1¼ "barrel with applications of fine tuning rings on the diagonal, or a prism is prevented
- With brass clamping ring and two clamping screws
- Baader Classic Ortho 18mm 1¼" Eyepiece, apparent field of view 52°, incl. winged rubber eyecup 52°,incl. winged rubber eyecup
- Parfocal Eyepiece series with very high transmission
- This eyepiece delivers a pure-white image with outstanding sharpness and contrast
- True High-Transmission- (HT) and Multi-Coating (MC) on all glass-air-surfaces offer a brilliant image while showing almost no internal reflections
- Suitable as projection eyepiece for OPFA (Eyepiece Projection adapter)
- Baader Classic Ortho 10mm 1¼" Eyepiece , apparent field of view 52°, incl. winged rubber eyecup
- Parfocal Eyepiece series with very high transmission
- This eyepiece delivers a pure-white image with outstanding sharpness and contrast
- True High-Transmission- (HT) and Multi-Coating (MC) on all glass-air-surfaces offer a brilliant image while showing almost no internal reflections
- Suitable as projection eyepiece for OPFA (Eyepiece Projection adapter)
- Baader Classic Ortho 6mm 1¼" Eyepiece, apparent field of view 52°, incl. winged rubber eyecup
- Parfocal Eyepiece series with very high transmission
- This eyepiece delivers a pure-white image with outstanding sharpness and contrast
- True High-Transmission- (HT) Multi-Coating (MC) on all glass-air-surfaces offer a brilliant image while showing almost no internal reflections
- Suitable as projection eyepiece for OPFA (Eyepiece Projection adapter)
Collimating your refractor telescope is quick and easy when you use this 1.25" Cheshire collimating eyepiece. You see in seconds the collimating situation of the telescope, you also can use the Cheshire on newtonian telescopes.