More products from the brand :ASKAR

Backfocus adjustment ring with integrated +/2 mm adjustment

CHF 139

Reference BAG-0001

Free delivery against signature
Easy, free returns

Introducing the ASKAR ±2 mm backfocus adjuster

ASKAR has developed a backfocus adjuster specially designed to solve backfocus distance problems. This adjuster makes it easy to correct backfocus variations without having to replace or modify expensive components. Thanks to its ingenious design, it enables fine, precise adjustment, with an adjustment range of ±2 mm, which is ideal for compensating for small variations and ensuring perfect focus.

Technical description and features

  • Two versions are available: ASKAR offers two specifications for this backfocus adjuster, one with a camera-side adapter in M54 and the other in M48. This allows users to choose the version best suited to their equipment.
  • Dimensions : The adjuster is 18 mm thick (±2 mm adjustment), offering sufficient stability and robustness for outdoor use. The outside diameter is 74 mm, and it is available with female threads for the telescope interface (M54 or M48) and male threads for the camera interface.
  • CNC precision and printed scale : Manufactured with CNC precision, each adjuster enables backfocus correction to an accuracy of 0.05 mm. What's more, the scale printed on the surface of the adjuster facilitates adjustment and enables the chosen position to be retained. This is particularly useful for users who frequently change equipment.
  • Easy to use : The ASKAR backfocus adjuster is easily attached between telescope and camera. Simply turn the adjuster to adjust the backfocus distance, allowing rapid adaptation to variations. The two screw holes ensure that the adjuster stays in place once the ideal position has been found.

In a nutshell

The ASKAR backfocus adjuster is a practical and effective solution for astrophotographers looking to optimize their focus without complications. Its sturdy design, easy-to-read scale and precise adjustment capability make it an ideal choice for amateurs and professional astronomers alike. This accessory guarantees that your images will always be perfectly sharp, even with a variety of equipment configurations.

Products in the same category

Explore Scientific 2" 82° - 30mm (coup de coeur 0 aberrations)
Explore Scientific 2" 82° - 30mm (coup de coeur 0 aberrations)
CHF 389
Réducteur 0.7x FRA600
Gearbox 0.7x FRA600
CHF 399
Filtre OIII Antlia 4.5nm Edge
Antlia 4.5nm Edge OIII filter
Price range: CHF 199 through CHF 359
Correcteur de coma 2" pour Newton x0.95 (f/3 à f/6)
2" coma corrector for Newton x0.95 (f/3 to f/6)
CHF 219
Oculaire Morpheus 76° 14mm
Morpheus 76° 14mm eyepiece
CHF 289
Explore Scientific 2" 100° - 25mm
Explore Scientific 2" 100° - 25mm
CHF 899
Lentille de Barlow Celestron Luminos 2.5x
Celestron Luminos 2.5x Barlow lens
CHF 189
Écran à flat GIOTTO 285
GIOTTO 285 flat screen
CHF 699
Réducteur / Correcteur 0.85x-Sky-Watcher Evostar 150ED DS-PRO
Reducer / Corrector 0.85x-Sky-Watcher Evostar 150ED DS-PRO
CHF 298
Wanderer Astro - Panneau à flats motorisé WandererCover V4-EC IR
Wanderer Astro - Motorized flap panel WandererCover V4-EC IR
Price range: CHF 319 through CHF 779
Filtre anti-pollution lumineuse MSM – Verre didyme pour la photographie nocturne
MSM light pollution filter - Didyme glass for night photography
CHF 79
Explore Scientific 2" 100° - 20mm
Explore Scientific 2" 100° - 20mm
CHF 649
Adaptateur M54/M48 pour Nikon Z (backfocus de 39mm)
M54/M48 adapter for Nikon Z (39mm backfocus)
CHF 59
Explore Scientific 2" 52° - 10 mm
Explore Scientific 2" 52° - 10 mm
CHF 89
Écran à flat GIOTTO  + moteur ALTO  430
GIOTTO flat screen + ALTO 430 motor
CHF 1'899

Our new products

Réducteur de focale 0.77x pour Sky-Watcher Evostar 150EDX
0.77x focal reducer for Sky-Watcher Evostar 150EDX
CHF 320
Correcteur Sky-Watcher Evostar 100EDX & Esprit 70EDX
Sky-Watcher Evostar 100EDX & Esprit 70EDX correctors
CHF 209
Réducteur / Correcteur 0.85x-Sky-Watcher Evostar 150ED DS-PRO
Reducer / Corrector 0.85x-Sky-Watcher Evostar 150ED DS-PRO
CHF 298
Trépied Acier Inoxydable Sky-Watcher AZ5
Sky-Watcher AZ5 stainless steel tripod
CHF 185
Allonge colonne pour trépied filetage 3/8
Tripod column extension 3/8" thread
CHF 41
Contrepoids Sky-Watcher EQ8 10 kg
Sky-Watcher EQ8 10 kg counterweight
CHF 155
Trépied colonne Ultra Renforcé en Acier pour EQ8-R
Ultra-reinforced steel column tripod for EQ8-R
CHF 998
Adaptateur Sky-Watcher Nikon M48x0.75
Sky-Watcher Nikon M48x0.75 adapter
CHF 31
Adaptateur Sky-Watcher Canon M48x0.75
Sky-Watcher Canon M48x0.75 adapter
CHF 31
Réducteur / Correcteur 0.85x Sky-Watcher Evostar 80ED-EDX
Reducer / Corrector 0.85x Sky-Watcher Evostar 80ED-EDX
CHF 298
[category_menu_mobile]