TS Triplet FPL-53 APO telescope 80/480 - 2" Crayford Refractor with dual speed focuser
... High-quality APO nearly free of false colour and good mechanical system - for the demanding amateur



Lead-managed by TS, this high quality triplet apochromat with an FPL53 ED element has been designed to be an optimal travel scope. Even at highest magnifications, the image is kept free of false colour and has a high grade of correction. The fast f/6 system is not only short and compact; it also gives the short exposure times astro photographers want.

The advantages of the TS Triplet Apo 80/480mm:

-- Air spaced Triplet APO Objective 80/480mm
-- FPL-53 by O`Hara for optimal colour correction
-- Retractable dewcap - allows a transport length of only 355mm
-- Universal saddle plate with 1/4" photo tripod thread
-- 2" Crayford focuser with 1:11 dual speed transmission
-- Overwhelming 5.5° field of view with adequate 2" eyepiece
-- In combination with the 2" TS flattener an exceptional and fast photo Apo
-- One of the best coatings we've ever seen - no disturbing reflections
-- Delivery in a robust aluminium travel case



The 2" Crayford focuser with 1:11 transmission allows precise focusing and keeps even heavy accessories at the focal plane. The force of three radial locking screws is transmitted by a brass clamping ring. The focuser is rotatable by 360° in order to provide the optimal camera position.

Technical details:

-- Air-spaced Triplet APO Objective - APO Element FPL53
-- Aperture 80mm / focal length 480mm / focal ratio f/6
-- Fully multi coated objective
-- Tube length with retracted dew cap: 355mm
-- OTA weight: 2.3 kgs
-- OTA diameter: 89mm
-- Aluminium tube
-- Focus posisiton optimized for our 2" Flattener and 2" diagonals
-- Outside dimensions of the ALU case: 44,5cm x 26cm - heigh 20cm
-- Focusing travel way 83mm
-- maximum back focus from 2": 138mm
-- Dimensions of the case: 445mm x 260mm x 190mm

Scope of delivery:

-- Triplet Apo 80/480mm
-- 2" crayford focuser with 1,25" reduction
-- solide alu transport case
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Recommended accessory: TS 2" Field Flattener for astro photography: 199 €



Perfectly flat focal plane with full illumination of 37mm diameter. So this telescope becomes a specialist for astro photography with fast f/6 photographic speed and very high contrast. Included in the 199 € package price is the adaptor to T2 for 55mm back focus (perfect for DSLR Cameras). The perfect distance from the M48 thread of the flattener to the chip is 123mm.

Link to the TS 2" Flattener

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Optical test:

The chromatic abberation is not visible in practical use. Even at high magnifications, the stars remain white.