Pentax
Pentax 38455 Lens Adapter Ring for 645 mm Lens
★★★★★
Adapt Your Lenses with PrecisionThe Pentax 645 Lens Adapter Ring allows you to adapt Pentax 645 lenses for use with compatible camera systems, providing versatility and expanding your creative options. Compatibility: Pentax 645 lenses
$249.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Adapt Your Lenses with Precision
The Pentax 645 Lens Adapter Ring allows you to adapt Pentax 645 lenses for use with compatible camera systems, providing versatility and expanding your creative options.
- Compatibility: Pentax 645 lenses
Key Features
Product Description: Pentax 38455
Color: Black
Specifications
Product Number
38455
Type
Lens Adapter Ring
Color
Black
Lens Compatibility
645 mm Lens
Brand
Pentax
Pros & Cons
👍 Pros
- Specifically designed to adapt 645mm lenses, providing compatibility with Pentax cameras.
- Features a black color, ensuring a cohesive aesthetic when paired with compatible camera bodies and lenses.
- Allows photographers to utilize specialized 645mm lenses on different camera systems.
- Manufactured by Pentax, suggesting reliable fit and finish with other Pentax products.
- A straightforward accessory that extends the versatility of existing photographic equipment.
👎 Cons
- The description does not specify which Pentax camera bodies or mounts this adapter is compatible with.
- Being a simple adapter, it lacks electronic contacts, meaning no autofocus or aperture control from the camera body.
- The "645 mm Lens" designation could be ambiguous, potentially causing confusion regarding compatibility with specific lens models.
- Limited information about its construction material or durability, which is important for a lens accessory.
- Only listed as a lens adapter ring, it does not include any optical elements to improve image quality.
Frequently Asked Questions
What is the primary function of the Pentax 38455 Lens Adapter Ring?
The primary function of this adapter ring is to allow the use of 645mm lenses on a compatible Pentax camera body.
What color is the Pentax 38455 Lens Adapter Ring?
The lens adapter ring is described as being black in color.
Does this adapter ring include any optical elements?
No, the Pentax 38455 is described as a lens adapter ring, indicating it is a mechanical adapter without optical elements.
Will this adapter allow for autofocus with my 645mm lens?
The description does not mention electronic contacts or autofocus capability, suggesting it is a mechanical adapter.
What specific camera mounts is this adapter compatible with?
The product details only state it's for "645 mm Lens" but do not specify the camera mount compatibility for this adapter.
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