Pentax

Pentax 26910 645 35mm f3.5 AL IF Lens

Name: Pentax 26910 645 35mm f3.5 AL IF Lens
Brand: Pentax
SKU: 26910

Capture Stunning Medium Format Images with the Pentax 645 35mm Lens The Pentax 645 35mm f3.5 AL IF lens is designed for medium format photography, delivering exceptional image quality and sharpness. Its internal focusing system ensures fast and precise focusing. Specifications: Brand: Pentax...

$1,326.43*

✓ In Stock on Amazon.com

View on Amazon

*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.

Affiliate Disclosure: As an Amazon Associate, Studio Supplies earns from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Capture Stunning Medium Format Images with the Pentax 645 35mm Lens

The Pentax 645 35mm f3.5 AL IF lens is designed for medium format photography, delivering exceptional image quality and sharpness. Its internal focusing system ensures fast and precise focusing.

Specifications:

Brand: Pentax
Focal Length: 35mm
Aperture: f/3.5
Format Compatibility: Pentax 645 Medium Format
Features:
- Internal Focusing (IF)

Key Features

Pentax 645 35mm f3.5 AL IF

Specifications

Brand

Pentax

Lens Type

Prime Lens

Focal Length

35mm

Maximum Aperture

f/3.5

Lens Design

AL IF (Aspherical Lens, Internal Focus)

Compatibility

Pentax 645 camera system

Frequently Asked Questions

What does "AL IF" refer to in the Pentax 645 35mm f3.5 lens description?

"AL" stands for Aspherical Lens, which helps correct spherical aberrations for sharper images, and "IF" denotes Internal Focus, meaning the lens does not extend while focusing.

Is this lens suitable for portrait photography on the Pentax 645 system?

While a 35mm focal length can be used for environmental portraits, it's generally considered wide-angle; a longer focal length is often preferred for more traditional portraiture.

Does this Pentax 645 lens have image stabilization?

The features provided do not mention image stabilization for the Pentax 26910 645 35mm f3.5 AL IF Lens.

Can this lens autofocus or is it manual focus only?

The "IF" (Internal Focus) typically implies autofocus capability, but the specific autofocus motor type or functionality is not detailed.

What is the filter thread size for this Pentax 35mm f3.5 lens?

The filter thread size for the Pentax 645 35mm f3.5 AL IF lens is not specified in the provided product features.

Strengths & Trade-offs

👍 Pros

Designed specifically for the Pentax 645 camera system, ensuring full compatibility.
Features a wide 35mm focal length, ideal for capturing expansive landscapes, architecture, and interior shots.
Equipped with an f/3.5 aperture, allowing for good light gathering and creative depth of field control.
Incorporates AL (Aspherical Lens) elements, which typically correct for spherical aberrations and reduce distortion.
Includes IF (Internal Focus) mechanism, meaning the lens length does not change during focusing, maintaining balance and speeding up AF.

👎 Cons

As an f/3.5 lens, it may not perform as well as faster f/2.8 or wider aperture lenses in very low-light conditions.
The focal length is fixed at 35mm, offering no zoom capability and requiring physical movement to frame shots.
Being an AL IF lens, its construction may involve more complex optics, potentially making it heavier than simpler prime lenses.
Specific details about weather sealing or dust resistance are not provided for this lens.
Details on minimum focusing distance are not available, which could be a consideration for close-up photography.