總計: HK$ 0

總計: HK$ 0
Askar FRA400C 攝星鏡

Askar FRA400C 攝星鏡

Askar 銳星光學
Askar & Sharpstar 銳星光學

AK-11051
新品
現貨

HK$ 6380


+ -

圖片僅作供參考,並不代表產品實物及所包括配件。
Pictures shown are for illustration purpose only and may not be an exact representation of the product and accessories included.
  • 詳細內容







Specifications

FRA400C Parameters

Aperture size

72mm

Focal length

400mm

Focal ratio

f/5.6

Objective lens

Quintuplet dual ED air-spaced APO

Format specifications

44mm

Aperture blades

17 pieces

Graded Aperture

f/5.6-f/22

Closest Focus Distance

5m

Focusing mode

Manual focus

Filter Diameter

M82

Total length

370mm (inclulding dew shield); 420mm (without dew shield)

OTA weight

2.68kg

Total weight (including handle & dovetail plate)

3.18kg

Rear-end adapter

M72/M54/M48(with M48×0.75 filter thread)

Rear-end connection distance

Support 50-60mm range (Recommended connection length is 55mm)

Standard package items

1.25inch/2inch adapter,a manual

 

Product Size Diagram

长友气体长友气体长友气体

FRA400C AFkit Electronic Focuser Assembly Diagram

长友气体长友气体

Optical Path Diagram

长友气体

Spot Diagram

长友气体

Longitudinal Aberration

长友气体

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