Addendum - Tables

Optical Field of View Table

updated: 2025-06-14

FoV

Focal Length 
f [mm] 

Fujifilm X-T3

ZWO ASI294 MC Pro Color

ZWO ASI2600MC PRO AIR

BRESSER Color GPCMOS02000KPA

No. of Pixels

6240 x 4160

4144 x 2822

6248x4176

1936 x 1096

Pixel pitch [µm]

3,74

4,63

4,0

2,9

Sensor Width [mm]

23.5 x 15.6

19,1 x 13,0

23.5 x 15.7

5.6 x 3.1

Omegon Guide Scope 50/200

200

6,79° x 4,53°

5,49° x 3,74°

X

1,61° x 0,91°

Bresser 90/500

500

2,72° x 1,81°

2,20° x 1,50°

X

0,64° x 0,36°

TSO 90/600 with 0,75 reducer

450

2,83° x 1,89°

2,29° x 1,56°

2.996° x 2.002°

0,67° x 0,38°

TS600AS294

600

2,26° x 1,51°

1,83° x 1,25°

2.248° x 1.502°

0,54° x 0,30°

TSO 203/1624 with 0,67 reducer

1088

1,25° x 0,83°

1,20° x 1,50°

1.237° x 0.827°

0,67° x 0,38°

TSO 203/1624

1624

0.84° x 0,56°

0,68° x 0,46°

0,829° x 0,554°

0,30° x 0,17°

Skywatcher 102/1300

1300

1,05° x 0,91°

0,85° x 0,58°

X

0,25° x 0,14°