William Optics Apokromatski Refraktor AP 91/540 OTA

WILLIAM OPTICS APOKROMATSKI REFRAKTOR AP 91/540 OTA

William Optics Apokromatski Refraktor AP 91/540 OTA, je sestavljen iz treh leč z zračno režo, ki uporabljajo posebno steklo FPL-53 ED proizvajalca Ohara, Japonska ter lantanova stekla. Ta izredno visokokakovostna trojna zasnova zagotavlja barvno čistost in jasnost slike, ki ne pušča nič nezaželenega.

Več informacij na uradni strani proizvajalca, ki se nahaja tukaj.

Tehnične specifikacije za William Optics Apokromatski Refraktor AP 91/540 OTA:

Optics

• Type: Refractor
• Type of build: Apochromat
• Aperture (mm): 91
• Focal length (mm): 540
• Aperture ratio (f/): 5,9
• Resolving capacity: 1,52
• Limit value (mag): 12,3
• Light gathering capacity: 170
• Max. useful magnification: 182
• Tube weight (kg): 4,16
• Tube length (mm): 510
• Carrying length (mm): 441
• Coating: STM

Focuser

• Type of build: rack and pinion
• Connecting threaded socket (camera-side): T2
• Connection ( to eyepiece): 2
• Gear reduction: 1:10 Fine movement
• Adjustment range (mm): 95
• Rotating: yes

Mount

• Type of build: OTA
• Mounting type: no mount

Included accessories

• Deviating optics: no
• Prism rail: Losmandy-Style
• Carrying handle: yes
• Focusing help: Bahtinov focus mask
• Carry case: yes
• Finder base: Vixen/Skywatcher Level

General

• Series: FluoroStar
• Colour: red or grey