Pentax
Pentax M42 Extension Tube Set for Spotmatic
Unlock Macro Photography Possibilities The Asahi Pentax Extension Tube Set is designed for Pentax Spotmatic M42 mount cameras. This set includes three tubes (I, II, III) that allow you to achieve higher magnification for close-up and macro photography. Expand your creative potential and capture s...
$49.99*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission 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
Unlock Macro Photography Possibilities
The Asahi Pentax Extension Tube Set is designed for Pentax Spotmatic M42 mount cameras. This set includes three tubes (I, II, III) that allow you to achieve higher magnification for close-up and macro photography. Expand your creative potential and capture stunning details with this versatile extension tube set.
Specifications:
- Mount Type: M42
- Compatibility: Pentax Spotmatic
- Includes: 3 Extension Tubes (I, II, III)
Specifications
Brand
Pentax
Compatibility
Pentax Spotmatic M42 Mount
Accessory Type
Extension Tube Set
Pros & Cons
👍 Pros
- Specifically designed for Pentax Spotmatic cameras, ensuring compatibility and optimal performance for macro photography
- Allows for close-up focusing with M42 mount lenses, enabling detailed photography of small subjects
- Includes multiple tubes of varying lengths, providing flexibility to achieve different magnification ratios and working distances
- Constructed to work seamlessly with vintage M42 lenses, extending their utility for specialized applications
- Offers an economical way to explore macro photography without requiring dedicated macro lenses
👎 Cons
- Requires manual exposure and focus control, which may be less convenient than automatic systems found on modern equipment
- Lacks electronic contacts, meaning no automatic aperture control or autofocus with compatible lenses
- May lead to a decrease in light reaching the sensor, potentially requiring longer exposure times or higher ISO settings
- Can be less versatile for general photography as its primary function is close-up work with specific lens types
- The M42 screw mount can be slower to attach and detach compared to modern bayonet mounts
Frequently Asked Questions
What cameras are compatible with the Pentax M42 Extension Tube Set?
This extension tube set is specifically designed for Pentax Spotmatic cameras, ensuring proper fit and function for its intended use.
Can this extension tube set be used with modern lenses?
This set is designed for M42 mount lenses, which are typically older manual focus lenses, and may not be directly compatible with modern autofocus lenses without additional adapters.
Does this extension tube set provide autofocus capabilities?
No, this M42 extension tube set does not provide autofocus capabilities, as it lacks electronic contacts for communication between the camera and lens.
How does this set help with close-up photography?
Extension tubes increase the distance between the lens and the camera's sensor, allowing the lens to focus much closer than its minimum focusing distance for macro photography.
Are there different tube lengths included in the set?
Yes, an extension tube set typically includes multiple tubes of varying lengths, which can be used individually or combined to achieve different magnification ratios.
Related Products
