Apochromatic Refractors
We can offer you a range of very high quality refractors in this category. These include e.g. our two- and three-lens APM Apo instruments, our astrograph series, available as APM or APM-LZOS models. Equipped with Riccardi reducers / correctors or as a high-end version CNC LW II with Feathertouch extracts. All around excellent instruments that should leave no wishes.
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The Starwave ASCENT 115mm F7 EDT APO brings you triplet ED level colour correction, and is a very capable, multipurpose imaging and visual platform.
Innovative and revolutionary William Optics design combines precise internal focusing with the highest quality optics available to create the ultimate apochromatic refractor for astrophotography
FPL53 Triplet Lens Aperture 81 mm, focal length 480 mm Internal focusing prevents image shift and vignetting Saddle bar handle for mounting the guiding telescope Incl. test report Incl. carrying bag The newly designed high definition ED lens in Vixen's ED103S Refractor Telescope gives excellent optical performance in a short optical tube for easy handling.
Highly corrected 102mm air-spaced triplet apochromat (with three lenses) and carbon fiber tube and a 2.5" high-precision HEXAFOC focuser.
3-lens Super ED Apo refractor telescope for astrophotography and visual observing.
The high-end Evostar-150ED Apo doublet features an undisclosed combination of one Extra-Low Dispersion (ED) glass element and a matched crown element.
The new 100 mm f/5.8 Quadruplet Astrograph from TS.
The optical design shows a polystrehl value of 0,97, indicating a level of correction that is absolutely top of the line.
The ASKAR FRA 500/5.6 APO quintuplet apochromat from Sharpstar is optimized for astrophotography with high resolution cameras
Aperture 90 mm Focal length 500 mm / focal ratio f/5.6 5-element quintuplet design with corrector in tube Two ED glasses in the triplet objective for very good correction of the chromatic aberration 55 mm image circle with full illumination and correction 158 mm maximum working distance from drawtube with all adapters for photography and observation Stable 3.5" dual-speed RAP focuser with 360° rotation Adapters to M68x1, M54x0,75, M52x0,75 and M48x0,75 are included in delivery Starting with the M48 thread, you have comfortable working distance for all common astro cameras, DSLR and system cameras Flexible Losmandy style dovetail bar with photo tripod connection and carrying handle with flexible oblong hole Finder shoe for standard finder holders Including inspection check list of the manufacturer New 5-element APO astrograph with 90mm diameter and 450mm focal length (F/5)
TS PHOTOLINE 130 mm f/7 Triplet APO - 3.7 inch RPA focuser - FPL-53
TS PHOTOLINE 106 mm f/6.6 triplet apochromat with color-clean image with high-quality triplet lens from Japanese production
Aperture 106 mm / focal length 700 mm / focal ratio f/6.6 Multi-coated 3-element lens with FCD100 APO element (similar to FPL53) from Hoya (Japan) for a color-pure image The lens including cell is made in Japan Lens is adjustable with pull and push screws Internal baffles for higher contrast and fewer reflections 3.5" dual-speed RAP focuser with improved bearing of the draw tube - supports cameras up to 10 kg without shifting Connection for screw adaptions via M63x1 female thread - 2" and 1.25" receptacle Powerful telescope also for observing with clear, high contrast image Retractable dew shield for transport CNC tube rings, Vixen/EQ5 style dovetail bar, carrying handle and finder shoe are included in the scope of delivery Each Apo is visually and mechanically inspected and tested before shipment Includes 3" 0.75x field corrector - improves focal ratio to f/4.95 with full correction to full frame