Yongnuo YN585EX Speedlite for Pentax Cameras
vs
Pentax AF201FG Flash

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Yongnuo YN585EX

On Camera Type Flash

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Pentax AF201FG

On Camera Type Flash

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Yongnuo YN585EX vs Pentax AF201FG Comparison Overview

In this review, we'll compare the Yongnuo YN585EX On Camera flash with the Pentax AF201FG On Camera flash. We'll begin by briefly examining the main specifications of these two flashes. In the subsequent section, we'll delve into a more detailed analysis, outlining the strengths and weaknesses of each.

Yongnuo YN585EX Key Specs

On Camera Type Flash

Designed for Pentax Cameras

20-105mm (FF equiv.) Coverage

Guide Number: 190' / 57.9

Wireless Operation

TTL Capability

-7 to +90° Bounce Head

360° Swivel Head

Weight: 370g / 0.81 lb

Dimensions: 2.4 x 2.8 x 7.4" / 60 x 72 x 188 mm

Pentax AF201FG Key Specs

On Camera Type Flash

Designed for Pentax Cameras

13mm (FF equiv.) Coverage

Guide Number: 66' / 57.9

TTL Capability

-10 to +135° Bounce Head

Weight: 141g / 0.31 lb

Dimensions: 2.6 x 2.9 x 1.2" / 65 x 72.5 x 31 mm

Yongnuo YN585EX

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Pentax AF201FG

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Yongnuo YN585EX

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Pentax AF201FG

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Reasons to choose Yongnuo YN585EX Speedlite for Pentax Cameras over Pentax AF201FG Flash

Wide Angle Adapter	Yes (14mm) vs No	Go wider with the adapter
Max Guide Number	190' vs 66'	124' Longer coverage
Wireless Operation	Yes vs No	Off-Camera use via Wireless Connection
Auto-Zoom Head	Yes vs No	Automatically matches the focal length of the lens
Swivel Head	Yes (360°) vs No	Easily bounce the light from the sides
Fastest Recycle Time	3 seconds vs 4 seconds	1s Faster Recycle Time
Flash Compensation Setting	-3 to +3 EV (1/3 EV Steps) vs No	Adjust flash compensation on the unit
Off-Camera Terminal	PC vs No	Trigger the flash via wired connection

Reasons to choose Pentax AF201FG Flash over Yongnuo YN585EX Speedlite for Pentax Cameras

Widest Coverage	13mm vs 20mm	7mm Wider Focal coverage
Weight	141g vs 370g	229g lighter

Common Strengths of Yongnuo YN585EX Speedlite for Pentax Cameras and Pentax AF201FG Flash

Bounce Head	Yes (-7 to +90°) vs Yes (-10 to +135°)	Bounce the light to create softer and diffused lighting
TTL Operation	Yes vs Yes	Through the Lens Auto Exposure
Second Curtain Sync	Yes vs Yes	Useful for capturing motion blur

Common Weaknesses of Yongnuo YN585EX Speedlite for Pentax Cameras and Pentax AF201FG Flash

TTL Operation	No vs No	No Through the Lens Auto Exposure

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Yongnuo YN585EX vs Pentax AF201FG Specs Table

Detailed comparison of specifications

GENERAL
Brand	Yongnuo	Pentax
Manufacturer Product Code	YN585EX/PENTAX	30458
Type	On Camera	On Camera
Mount Type	Shoe	Shoe
TECHNICAL SPECS
Guide Number	190' / 57.9m at ISO 100	66' / 20.1m at ISO 100
Guide Number Measured at	105mm	-
Focal Coverage	20-105mm (FF equiv.)	13mm (FF equiv.)
Coverage w/ Adapter	14mm (FF equiv.)	-
Flash Duration	1/200 to 1/20000sec	-
Flash Duration	Approx. 3 to 5sec	Approx. 4 to 7sec
Power Range	1/1 to 1/128	1/1 to 1/4 (Manual)
Flash Compensation	-3 to +3 EV (1/3 EV Steps)	No
TTL Operation	Yes	Yes
Wireless Operation	Optical Pulse (TTL/Manual) Up to 82.02' / 25 m (Slave)	No
Wireless Channels/Groups	4 / 1	-
FEATURES
Auto-Zoom Head	Yes	No
Bounce Head	-7 to +90°	-10 to +135°
Swivel Head	Yes (360°)	No
Off-Camera Terminal	PC	No
Mobile App Compatibility	No	No
Secondary Illumination	No	No
Exposure Controls	Manual, Pentax P-TTL	Pentax P-TTL
Flash Modes	Second-Curtain Sync	Second-Curtain Sync
High-Speed Sync / HSS	No	No
Second Curtain Sync	Yes	Yes
Slow Sync Mode	No	No
Stroboscopic Mode	No	No
BATTERY and PHYSICAL SPECS
Internal Power	4x AA (Alkaline, NiMH)	2x AAA (Alkaline, NiMH)
External Power-Pack	No	No
Weight	370g / 0.81 lb	141g / 0.31 lb
Dimensions	2.4 x 2.8 x 7.4" / 60 x 72 x 188 mm	2.6 x 2.9 x 1.2" / 65 x 72.5 x 31 mm