APQ has adjusted pricing on its line of fluorite polychromat refractors, covering six models with apertures from 100 mm to 200 mm. The series spans compact wide-field instruments to larger refractors built for detailed visual and imaging applications. Each model uses an oil-spaced, multi-lens objective incorporating fluorite and specialized optical glass to support broad-band performance across ultraviolet, visible, and near-infrared wavelengths. The following sections outline specifications, mechanical details, and corresponding USD conversions for all models included in the current pricing adjustment.
Price: €8,171.43 / $9,505.31
Optical characteristics
Lens type: Fluorite Quadruplet Polychromatic refractor
Optical design: four-lens aspherical layout, oil-spaced without air gaps, mounted in a compensation cell made of aluminum and stainless steel. The design yields a theoretical polychromatic Strehl ratio of ≥ 0.95 over the full 365 nm–1014 nm spectral range. Anti-reflection coating is ultra-broadband with R_AVG < 0.7%. Clear aperture is 100 mm, with focal length of 640 mm (f/6.4). The instrument offers an image scale of 5.371′/mm, a theoretical resolution of 1.14″, and a magnification range from 17× to 300× (exit pupil 6 mm to 0.33 mm). Each objective is delivered with an optical inspection certificate.
Mechanical construction
The tube and dew cap are built from high-grade aluminum and stainless steel alloys, with a standard silver-metallic / black-metallic finish (custom finishes available by arrangement). The tube diameter is Ø136 mm. When fully retracted, the telescope length is 487 mm; extended with dew cap and focuser, it reaches 701 mm. Dew cap diameter is Ø156 mm, dew cap length is 226 mm, and backfocus measures 200 mm.
Feather-Touch Focuser FTF3545
Focus unit: clear aperture Ø90.17 mm (3.55″), focusing range 114.3 mm (4.5″), lifting capacity 8.1–9.1 kg (18–20 lb), 10:1 fine/coarse ratio, fully rotatable 360° and lockable, optional motorized drive, weight 2.7 kg (6 lb).
OTA configuration
Includes S88 Quick Changer adapter, dust covers for lens and tube, with optional tube rings, dovetail plate, and accessories. Total weight (with focuser) remains under 7 kg (15.4 lb).
The 100/640 model offers an accessible entry point into APQ’s polychromat design philosophy. Its compact size and moderate focal length make it suitable for portable observing, quick setup, or smaller mounts — yet it still delivers full-spectrum correction and build quality matching larger models.
Price: €15,400.00 / $17,913.85
Optical characteristics
Lens type: Fluorite Wide Field Polychromatic refractor
Optical design: ten-lens aspherical design including three CaF₂ (fluorite) elements, engineered to produce a large, non-vignetted image field of 67.4 mm diameter, covering 365 nm–1014 nm with a theoretical polychromatic Strehl ratio ≥ 0.95. Anti-reflection with ultra-broadband AR coatings (R_AVG < 0.7%). Clear aperture 110 mm, focal length 550 mm (f/5), image scale ~6.250′/mm, theoretical resolution 1.04″, and magnification range from 18× to 330× (exit pupil 6 mm to 0.33 mm). Field correction built-in, making it suitable for full-frame sensors or wide-field eyepiece observing.
Mechanical construction
Tube and dew cap use high-quality aluminum and stainless steel alloys; standard finish is silver metallic or black metallic (custom finishes possible). Tube diameter Ø136 mm. Retracted length is approximately 427 mm; extended with dew cap/focuser ~641 mm. Dew cap Ø156 mm, dew cap length 226 mm, dew cap sliding range about 100 mm. Backfocus is 117 mm.
Feather-Touch Focuser FTF3545
Clear diameter Ø90.2 mm (3.55″), focus travel 114.3 mm (4.5″), carrying capacity 8.1–9.1 kg (18–20 lb), 10:1 fine focus, 360° rotatable and lockable, optional motor drive, weight 2.7 kg (6 lb).
OTA configuration
S88 Quick Changer adapter included, with protective dust covers for dew cap and quick changer. Tube rings, dovetail plate, and accessories optional. Total assembled weight less than 9 kg (19.8 lb).
The 110/550 wide-field model is optimized for wide-field astrophotography and landscapes, offering a fast f/5 refractor with a very large corrected field. Its compact tube and relatively light weight make it suitable for travel or portable imaging rigs.
Price: €13,257.14 / $15,421.20
Optical characteristics
Lens type: Fluorite Quadruplet Polychromatic refractor
Four-lens aspherical, oil-spaced design in a compensation cell; spectral correction 365 nm–1014 nm with polychromatic Strehl ≥ 0.95; AR coating R_AVG < 0.7%. Clear aperture 130 mm; focal length 1000 mm (f/7.7); image scale 3.438′/mm; theoretical resolution 0.88″; magnification range 22×–390× (exit pupil 6 mm–0.33 mm). Delivered with optical inspection certificate.
Mechanical construction
Tube diameter Ø146 mm; length 808 mm retracted, 1062 mm extended; dew cap Ø176 mm with 266 mm length; backfocus 220 mm. Finish options similar to other models.
Feather-Touch Focuser FTF3545
Clear diameter Ø90.17 mm; focus range 114.3 mm; lifting capacity 8.1–9.1 kg; 10:1 reduction ratio; 360° rotatable and lockable; optional motor drive; 2.7 kg weight.
OTA configuration
Adapter S98 or equivalent quick-change system; dust covers standard; tube rings, dovetail plate, and accessories optional. Overall weight (with focuser) under 10 kg (22 lb).
The 130/1000 strikes a balance between portability and performance. Its moderate aperture and mid-range focal length deliver good resolution and magnification range for planetary, lunar, and deep-sky work, while remaining manageable on medium-size mounts.
Photo credit: APQ JENA
Price: €19,739.50 / $22,961.72
Optical characteristics
Lens type: Fluorite Quadruplet Polychromatic refractor
Four-lens aspherical, oil-spaced; full spectral correction 365 nm–1014 nm; Strehl ratio ≥ 0.95; AR coating R_AVG < 0.7%. Aperture 150 mm, focal length 1200 mm (f/8); image scale 2.865′/mm; theoretical resolution ~0.76″; magnification range 25×–450× (exit pupil 6 mm–0.33 mm); delivered with inspection certificate.
Mechanical construction
Tube diameter Ø167 mm; length 974 mm / 1248 mm; dew cap Ø195 mm, dew cap length 300 mm; backfocus 280 mm; standard metallic finishes, custom finishes optionally available.
Feather-Touch Focuser FTF3545
Clear aperture Ø90.17 mm; focusing travel 114.3 mm; lifting capacity 8.1–9.1 kg; 10:1 focus reduction; 360° rotatable/lockable; optional motorized drive; weight 2.7 kg.
OTA configuration
Quick-change adapter (e.g., S108), lens/tube dust covers, optional tube rings and dovetail plate; total assembled weight under ~13 kg (28.7 lb).
The 150/1200 offers a useful compromise: substantial aperture for detailed imaging and deep-sky work, while still manageable in size and weight. It suits observers who want flexibility for both visual and photographic applications without the heft of a 200 mm class instrument.
Price: €28,871.43 / US$31,760
Optical characteristics
Lens type: Fluorite Quadruplet Polychromatic refractor
Four-lens aspherical, oil-spaced, mounted in compensation cell; spectral correction across 365 nm–1014 nm; Strehl ≥ 0.95; AR coating R_AVG < 0.7%. Aperture 180 mm, focal length 1440 mm (f/8); image scale 2.387′/mm; theoretical resolution ~0.63″; magnification range 33×–540× (exit pupil 6 mm–0.33 mm); includes inspection certificate.
Mechanical construction
Tube diameter Ø197 mm; length 1105 mm retracted / 1409 mm extended; dew cap Ø231 mm, dew cap length 325 mm; backfocus 280 mm; standard metallic finishes, custom finishes on request.
Feather-Touch Focuser FTF3545
Clear aperture Ø90.17 mm; focusing travel 114.3 mm; lifting capacity 8.1–9.1 kg; 10:1 fine focus; 360° rotatable/lockable; optional motor drive; weight 2.7 kg.
OTA configuration
Quick-change adapter (S108), dust protection covers, optional tube rings and dovetail plate; assembled weight under ~17.5 kg (38.6 lb).
The 180/1440 model offers a substantial step up in light-gathering and resolving power. It is well-suited for planetary detail work, high-resolution deep-sky imaging, or studies requiring broadband spectral performance. Its larger tube and weight mean a sturdy mount is required.
Price: €41,843.70 / $48,674.14
Optical characteristics
Lens type: Fluorite Quadruplet Polychromatic refractor
Four-lens aspherical, oil-spaced, in compensation cell; full correction 365 nm–1014 nm; Strehl ratio ≥ 0.95; ultra-broadband AR coating R_AVG < 0.7%. Aperture 200 mm; focal length 1600 mm (f/8); image scale 2.149′/mm; theoretical resolution 0.57″; magnification range 33×–600× (exit pupil 6 mm–0.33 mm); optical inspection certificate included.
Mechanical construction
Tube diameter Ø218 mm; length 1225 mm retracted / 1559 mm extended; dew cap Ø252 mm with length 361 mm; backfocus 320 mm; standard metallic finishes with custom finish option.
Feather-Touch Focuser FTF3545
Clear aperture Ø90.17 mm; focus travel 114.3 mm; lifting capacity 8.1–9.1 kg; 10:1 fine focus; 360° rotatable/lockable; optional motorized drive; weight 2.7 kg.
OTA configuration
S108 Quick Changer adapter included, with protective dust covers; optional tube rings, dovetail plate, and accessories; total assembled weight under ~21 kg (46.3 lb).
As APQ’s top-tier refractor, the 200/1600 delivers maximum light gathering and resolution potential. It is designed for observers and astrophotographers who demand wide spectral coverage, fine detail, and stability for long imaging sessions or high magnification visual work.
With the new pricing, APQ makes available a range of premium optical systems at lower thresholds. The discounted 100/640 offers a portable entry into high-end polychromat designs. Mid-size instruments like the 130/1000 and 150/1200 balance performance and portability. Larger models such as the 180/1440 and 200/1600 deliver the resolving power and light-gathering needed for deep-sky or high-resolution work. The 110/550 wide-field variant stands out for wide-field imaging or full-frame sensors.
Because each model includes full spectral correction and top-tier coatings, these refractors are engineered for demanding broadband imaging and visual work. For astrophotographers needing accurate color rendition across UV to near-IR, or observers wanting crisp, chromatically corrected views, these instruments present robust solutions.
International buyers should note that VAT is generally excluded for exports, but import duties and shipping costs will vary depending on destination country. Prospective purchasers are advised to contact APQ Jena directly to confirm final export pricing and shipping arrangements.
With special offerings applied across the lineup, each polychromat model can be evaluated with a clearer sense of cost relative to aperture, focal length, and intended use. The 100/640 provides a compact option for mobile observing, while the 130/1000 and 150/1200 offer mid-range configurations suited for both general-purpose and imaging-focused setups. The 180/1440 and 200/1600 expand into higher resolution and deeper targets, and the 110/550 wide-field design supports full-frame imaging and short-exposure workflows.
All models share the same broad-spectrum optical approach and mechanical construction principles, making them appropriate for applications that benefit from consistent correction from 365 nm to 1014 nm. Import duties and shipping considerations vary internationally, so final costs depend on destination and method of transport. Buyers seeking export information or delivery arrangements can obtain confirmation directly from APQ.
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