Canon 7500D

Body type: Mid-size SLR
Sensor
Max resolution: 5568 x 3712
Other resolutions: 4176 x 2784, 2784 x 1856
Image ratio: w:h 3:2
Effective pixels: 21 megapixels
Sensor photo detectors: 22 megapixels
Sensor size: APS-C (23.5 x 15.7 mm)
Sensor type: CMOS
Processor: Expeed 5
https://www.dpreview.com/products/nikon/slrs/nikon_d7500/specifications
Olympus OMD EM 10 MARK III

Body type: SLR-style mirrorless
Sensor
Max resolution: 4608 x 3456
Image ratio: w:h 4:3
Effective pixels: 16 megapixels
Sensor photo detectors: 17 megapixels
Sensor size: Four Thirds (17.4 x 13 mm)
Sensor type: CMOS
Processor: TruePic VIII
https://www.dpreview.com/products/olympus/slrs/oly_em10iii/specifications
Canon A-1

Maker Canon Camera K. K.
Type 35 mm SLR
Lens mount: Canon FD
Focus: Manual
Exposure metering: Centerweighted average metering
Frame rate: Manual lever winding, unmodified.
Manual: https://www.bedienungsanleitu.ng/canon/a-1/anleitung?p=7
2 Strobe Flash: Neewer S-400N

Flash energy 400WS, Guide Number GN60
150W modeling lamp adjusts in 3 power levels:
Made of aluminium alloy
Large- sized LCD
Recharging time: 0.3-1.5s; Sync Distance:10 meters; Flash Duration:1/2400s
Flash Energy Adjustment: 1.0-6.0 Digital Dimming
Color Temperature: 5600K +/- 200K
Size: 14.2 x 5.5 x 9.6 inches/36 x 14 x 24.5 centimeters / Weight: 82.1 oz/2.33 kg
2 Softboxes

120cm 47in Octagonal Umbrella
Bowens Softbox
Portable Softboxes
Reflector Flash Speedlite LED Video
Studio Flash Portrait (SB-UE120CM)
2 Walimex pro WT-806 Lampenstativ

max. working height: 256 cm
min. working height: 98 cm
total weight: 2,16 kg
max. load: 6 kg
material: aluminum
Beamer

12000Lux High-Definition & 2" Large Screen Experience - native 1920*1080P
5G WiFi Beamer and Bluetooth 5.1 Function
Powerpoint supported and widely compatible application - HDMI , AV , USB
4D Keystone Correction & Zoom Function