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Pentax AF540FGZ Auto Flash - P-TTL, TTL, Automatic, Manual - Guide Number 45 m/148 ft (50 mm Zoom-head Setting), 54 m/177 ft (85 mm Zoom-head Setting) - Coverage 20 mm to 85 mm @ 35mm Film Format - Recycle Time 6 Second - 26.20 ft Range - AF Assist Beam -

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Product Description


The PENTAX AF540FGZ auto flash unit features a large guide number of 54 (at ISO100/m). This clip-on, twist/tilt, auto-zoom flash provides a variety of advanced flash applications, including P-TTL auto flash, high-speed synchronization and wireless P-TTL auto flash, when mounted on a PENTAX digital SLR camera.

  • Battery Life 350 Flash
  • Battery Size Supported AA
  • Number of Batteries Supported 16
  • Product Type Camera Flash
  • Manufacturer Part Number 30425
  • Manufacturer Ricoh Imaging Company, Ltd.
  • Product Model AF540FGZ
  • Product Name AF540FGZ Auto Flash
  • Brand Name Pentax
  • Weight (Approximate) 13.40 oz
  • Mount Type Shoe Mount
  • Height 5.6"
  • Depth 4.2"
  • Flash Modes P-TTL
  • Flash Modes TTL
  • Flash Modes Automatic
  • Flash Modes Manual
  • Flash Range 26.20 ft
  • Guide Number 45 m/148 ft at ISO 100 (50 mm Zoom-head Setting)
  • Guide Number 54 m/177 ft at ISO 100 (85 mm Zoom-head Setting)
  • Limited Warranty 1 Year



Frequently Asked Questions

What are my shipping options for this product?

Shipping Options:

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Usually delivers in 3 - 10 business days after shipment

How do product returns work?
Return Policy:
If you are not satisfied with your order and wish to initiate a return, please contact us via All returns must be accompanied with an RA number assigned by a Sixth Avenue Electronics Express representative. Products must be in Brand New condition, including the manufacturer's box with all included accessories. We will not accept any returns without the recorded serial numbers and upc numbers intact on the box. Returned items will be subject to a restocking fee of 5%-20% of the total price. Shipping price is not refundable. The buyer is responsible for shipping charges to return an item back to us. If an item arrives Damaged, please contact us immediately. We will file a claim with the shipper, and ship a replacement as soon as the claim is approved (between 1-6 business days). We hope items never arrived damaged, but unfortunately it does infrequently occur. We thank you in advance for working with us. Certain products are not eligible to be returned at all. Those include hygienic and personal care products (e.g shavers), a/v equipment, and special order products.

Tax Policy:
New Jersey residents are subject to sales tax.