Table 2 Comparative technical characteristics of the 2 scopes used

Handpiece width

4.5 cm

4.1 cm

Handpiece length

10 cm

25.4 cm

Handpiece height

4.5 cm

6.4 cm

Handpiece weight

570 g

150 g

Diameter without a cannula

4 mm

1.9 mm

Diameter with a cannula

4.6 mm

2.2 mm

Image resolution

1920 × 1080 pixels

400 × 400 pixels

Frame rates

NA

30 ips

Fields of vision

100 degrees

120 degrees

Viewing Angle

30 degrees

0 degrees

Enlightenment

1.800 lm

 ≥ 2 lumens

Screen size

32 inches

13 inches